{"id":30296,"date":"2026-07-06T09:01:59","date_gmt":"2026-07-06T01:01:59","guid":{"rendered":"https:\/\/techclass.wfjydl.com\/?p=30296"},"modified":"2026-07-06T09:51:26","modified_gmt":"2026-07-06T01:51:26","slug":"%e4%ba%8c%e6%9e%81%e7%ae%a1%e5%9f%ba%e7%a1%80","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/diodes\/23844","title":{"rendered":"\u4e8c\u6781\u7ba1\u57fa\u7840"},"content":{"rendered":"<p>\u4e8c\u6781\u7ba1\u662f\u4e00\u79cd\u53cc\u7aef\u534a\u5bfc\u4f53\u5668\u4ef6\uff0c\u51ed\u501f\u5176\u7535\u6d41\u51e0\u4e4e\u53ea\u80fd\u5355\u5411\u6d41\u52a8\u7684\u7279\u6027\uff0c\u5728\u4f17\u591a\u7535\u5b50\u7535\u8def\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n<p>\u5177\u4f53\u800c\u8a00\uff0c\u6709\u5c06\u4ea4\u6d41\u7535\uff08AC\uff09\u8f6c\u6362\u4e3a\u76f4\u6d41\u7535\uff08DC\uff09\u7684\u6574\u6d41\u4e8c\u6781\u7ba1\u3001\u4ea7\u751f\u57fa\u51c6\u7535\u538b\u7684\u9f50\u7eb3\u4e8c\u6781\u7ba1\u3001\u5728\u9632\u6b62\u9006\u6d41\u7684\u540c\u65f6\u6291\u5236\u7535\u538b\u635f\u8017\u7684\u8096\u7279\u57fa\u52bf\u5792\u4e8c\u6781\u7ba1\uff0c\u4ee5\u53ca\u53d1\u5149\u7684LED\uff08\u53d1\u5149\u4e8c\u6781\u7ba1\uff09\u7b49\u591a\u79cd\u4ea7\u54c1\u3002<\/p>\n<p>\u672c\u6587\u5c06\u9610\u8ff0\u4e8c\u6781\u7ba1\u5982\u4f55\u5b9e\u73b0\u5355\u5411\u5bfc\u7535\u3001\u5176\u57fa\u7840\u2014\u2014PN\u7ed3\u7684\u7ed3\u6784\u3001\u4e0d\u540c\u79cd\u7c7b\u4e8c\u6781\u7ba1\u7684\u7279\u70b9\uff0c\u4ee5\u53ca\u9009\u578b\u65f6\u7684\u5173\u952e\u8981\u70b9\u3002\u901a\u8fc7\u6b63\u786e\u4f7f\u7528\u4e8c\u6781\u7ba1\uff0c\u53ef\u4ee5\u6291\u5236\u4e0d\u5fc5\u8981\u7684\u7535\u538b\u964d\uff0c\u63d0\u5347\u7535\u8def\u7684\u5b89\u5168\u6027\u548c\u6548\u7387\u3002<\/p>\n<h2 id=\"toc1\">\u4e8c\u6781\u7ba1\u7684\u57fa\u672c\u7ed3\u6784\u548c\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u4e8c\u6781\u7ba1\u7684\u6838\u5fc3\u90e8\u5206\u662fp\u578b\u4e0en\u578b\u534a\u5bfc\u4f53\u7d27\u5bc6\u7ed3\u5408\u5f62\u6210\u7684PN\u7ed3\u3002\u5728\u8fd9\u4e2a\u7ed3\u533a\u4f1a\u81ea\u7136\u5f62\u6210\u51e0\u4e4e\u6ca1\u6709\u8f7d\u6d41\u5b50\u7684\u201c\u8017\u5c3d\u5c42\u201d\uff0c\u8fd9\u5bf9\u4e8e\u9650\u5236\u7535\u6d41\u7684\u6d41\u52a8\u8d77\u7740\u91cd\u8981\u7684\u4f5c\u7528\u3002<\/p>\n<p>\u5f53\u65bd\u52a0\u6b63\u5411\u7535\u538b\uff08\u9633\u6781\u63a5\u6b63\uff09\u65f6\uff0c\u8017\u5c3d\u5c42\u53d8\u8584\uff0cp\u578b\u534a\u5bfc\u4f53\u4fa7\u7684\u591a\u6570\u8f7d\u6d41\u5b50\u7a7a\u7a74\u4e0en\u578b\u534a\u5bfc\u4f53\u4fa7\u7684\u591a\u6570\u8f7d\u6d41\u5b50\u7535\u5b50\u4f1a\u8d8a\u8fc7\u7ed3\u754c\u9762\u6ce8\u5165\u5230\u5bf9\u65b9\u533a\u57df\u3002\u8fd9\u4e9b\u591a\u6570\u8f7d\u6d41\u5b50\u7684\u6269\u6563\u8fd0\u52a8\u6240\u4ea7\u751f\u7684\u6269\u6563\u7535\u6d41\uff0c\u6784\u6210\u4e86\u6b63\u5411\u7535\u6d41\u7684\u4e3b\u8981\u6210\u5206\u3002<\/p>\n<p>\u5728\u65bd\u52a0\u53cd\u5411\uff08\u9634\u6781\u63a5\u6b63\uff09\u7535\u538b\u65f6\uff0c\u8017\u5c3d\u5c42\u53d8\u539a\uff0c\u591a\u6570\u8f7d\u6d41\u5b50\u51e0\u4e4e\u65e0\u6cd5\u8de8\u8d8a\u7ed3\u754c\u9762\uff0c\u56e0\u6b64\u51e0\u4e4e\u6ca1\u6709\u7535\u6d41\u6d41\u8fc7\u3002\u7136\u800c\uff0c\u7531\u4e8e\u5c11\u6570\u8f7d\u6d41\u5b50\u4f1a\u4ea7\u751f\u5fae\u5c0f\u7684\u6f0f\u7535\u6d41\uff0c\u5982\u679c\u65bd\u52a0\u975e\u5e38\u9ad8\u7684\u53cd\u5411\u7535\u538b\uff0c\u53ef\u80fd\u4f1a\u53d1\u751f\u51fb\u7a7f\uff0c\u5bfc\u81f4\u5927\u91cf\u53cd\u5411\u7535\u6d41\u6d41\u8fc7\u3002<\/p>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u201c\u5728\u6b63\u5411\u504f\u7f6e\u65f6\uff0c\u901a\u8fc7\u591a\u6570\u8f7d\u6d41\u5b50\u7684\u6ce8\u5165\u4e0e\u6269\u6563\u5f62\u6210\u7535\u6d41\u901a\u8def\uff1b\u800c\u5728\u53cd\u5411\u504f\u7f6e\u65f6\uff0c\u9664\u6f0f\u7535\u6d41\u5916\uff0c\u7535\u6d41\u51e0\u4e4e\u5b8c\u5168\u88ab\u963b\u65ad\u201d\u2014\u2014\u6b63\u662f\u8fd9\u4e00\u5de5\u4f5c\u539f\u7406\uff0c\u5b9e\u73b0\u4e86\u4e8c\u6781\u7ba1\u7684\u5355\u5411\u5bfc\u7535\u7279\u6027\u3002<\/p>\n<h3 id=\"toc2\">\u4e8c\u6781\u7ba1\u7684\u4f5c\u7528<\/h3>\n<p>\u5178\u578b\u7684\u7845\u6574\u6d41\u4e8c\u6781\u7ba1\uff0c\u53d1\u6325\u7740\u7531p\u578b\u548cn\u578b\u534a\u5bfc\u4f53\u7ed3\u5408\u800c\u6210\u7684\u7c7b\u4f3c\u201c\u6b62\u56de\u9600\u201d\u7684\u4f5c\u7528\u3002\u5bf9\u4e8e\u7845\u4e8c\u6781\u7ba1\u6765\u8bf4\uff0c\u5f53\u65bd\u52a0\u5927\u7ea60.6~0.8V\u7684\u6b63\u5411\u7535\u538b\u65f6\uff0c\u5b9e\u7528\u7684\u6b63\u5411\u7535\u6d41\u4fbf\u5f00\u59cb\u6d41\u52a8\u3002\u76f8\u53cd\uff0c\u82e5\u65bd\u52a0\u53cd\u5411\u7535\u538b\uff0c\u4e8c\u6781\u7ba1\u4ec5\u5141\u8bb8\u5fae\u5c0f\u7684\u6f0f\u7535\u6d41\uff08\u53cd\u5411\u9971\u548c\u7535\u6d41\uff09\u901a\u8fc7\uff08\u82e5\u8d85\u8fc7\u989d\u5b9a\u7535\u538b\u5219\u4f1a\u53d1\u751f\u51fb\u7a7f\uff09\u3002<\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/07\/01-voltage-current-characteristic-of-diode.png\" alt=\"\u4e8c\u6781\u7ba1\u7684\u7535\u6d41-\u7535\u538b\u7279\u6027\" width=\"700\" height=\"394\" \/><\/p>\n<p>\u4f8b\u5982\u5728\u7535\u6e90\u7ebf\u8def\u7684\u6574\u6d41\u7535\u8def\u4e2d\uff0c\u4e8c\u6781\u7ba1\u7528\u4e8e\u963b\u65ad\u4e0d\u5fc5\u8981\u7684\u53cd\u5411\u7535\u538b\uff1b\u800c\u5728IC\u7684\u8f93\u5165\u7535\u8def\u7b49\u5e94\u7528\u4e2d\uff0c\u5219\u4f5c\u4e3a\u4fdd\u62a4\u5143\u4ef6\uff0c\u9632\u6b62\u5668\u4ef6\u53d7\u5230\u53cd\u5411\u7535\u6d41\u548c\u6d6a\u6d8c\u7684\u635f\u5bb3\u3002\u5728\u7535\u8def\u56fe\u4e2d\uff0c\u5e26\u6709\u7bad\u5934\u7684\u7b26\u53f7\u8868\u793a\u8fd9\u79cd\u5355\u5411\u6027\u3002<\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/07\/02-current-flow-through-diode.png\" alt=\"\u57fa\u4e8e\u4e8c\u6781\u7ba1\u7684\u7535\u6d41\u6d41\u52a8\" width=\"700\" height=\"394\" \/><\/p>\n<p><strong>\u8865\u5145\u77e5\u8bc6<\/strong><br \/>\n\u7845\u4e8c\u6781\u7ba1\u7684\u6b63\u5411\u7535\u538b\u964d\u7ea6\u4e3a0.7V\uff0c\u800c\u8096\u7279\u57fa\u52bf\u5792\u4e8c\u6781\u7ba1\u7684\u5219\u66f4\u4f4e\uff0c\u7ea6\u4e3a0.2~0.4V\u3002\u5728\u91cd\u89c6\u4f4e\u7535\u538b\u7535\u8def\u548c\u8282\u80fd\u7684\u5e94\u7528\u4e2d\uff0c\u8fd9\u79cd\u4f4e\u7535\u538b\u7279\u6027\u4f18\u52bf\u663e\u8457\u3002<\/p>\n<h3 id=\"toc3\">PN\u7ed3\u4e0e\u8017\u5c3d\u5c42<\/h3>\n<p>p\u578b\u534a\u5bfc\u4f53\u4e2d\u7a7a\u7a74\u8f83\u591a\uff0cn\u578b\u534a\u5bfc\u4f53\u4e2d\u7535\u5b50\u8f83\u591a\u3002\u4e24\u8005\u7ed3\u5408\u65f6\uff0c\u5728\u4ea4\u754c\u9762\u9644\u8fd1\uff0c\u8f7d\u6d41\u5b50\u6269\u6563\u5e76\u590d\u5408\uff0c\u6700\u7ec8\u5f62\u6210\u4ec5\u5269\u56fa\u5b9a\u79bb\u5b50\u7684\u8017\u5c3d\u5c42\u3002p\u4fa7\u548cn\u4fa7\u66b4\u9732\u7684\u79bb\u5b50\u4f1a\u4ea7\u751f\u7535\u573a\u548c\u7535\u52bf\u5dee\uff0c\u4ece\u800c\u5f62\u6210\u6211\u4eec\u5728\u524d\u4e00\u7bc7\u6587\u7ae0\u201cPN\u7ed3\u201d\u4e2d\u63d0\u5230\u7684\u5185\u5efa\u7535\u52bf\u3002<\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/07\/03-diffusion-recombination-at-pn-junction.png\" alt=\"PN\u7ed3\u7684\u6269\u6563\u4e0e\u590d\u5408\" width=\"700\" height=\"394\" \/><\/p>\n<p>\u5f53\u65bd\u52a0\u6b63\u5411\u504f\u538b\u65f6\uff0c\u5185\u5efa\u7535\u52bf\u7684\u52bf\u5792\u51cf\u5f31\uff0c\u8017\u5c3d\u5c42\u53d8\u7a84\u3002\u56e0\u6b64\uff0c\u4ecep\u533a\u5230n\u533a\u7684\u7a7a\u7a74\u548c\u4ecen\u533a\u5230p\u533a\u7684\u7535\u5b50\u4f5c\u4e3a\u591a\u6570\u8f7d\u6d41\u5b50\u6ce8\u5165\u5bf9\u65b9\u533a\u57df\uff0c\u5bfc\u81f4\u7535\u6d41\u6025\u5267\u589e\u52a0\u3002<\/p>\n<p>\u65bd\u52a0\u53cd\u5411\u504f\u538b\u65f6\uff0c\u5185\u5efa\u7535\u52bf\u7684\u52bf\u5792\u4f1a\u8fdb\u4e00\u6b65\u63d0\u9ad8\uff0c\u8017\u5c3d\u5c42\u4e5f\u4f1a\u53d8\u5f97\u66f4\u5bbd\u3002\u591a\u6570\u8f7d\u6d41\u5b50\u51e0\u4e4e\u65e0\u6cd5\u7a7f\u8d8aPN\u7ed3\uff0c\u53ea\u6709\u5c11\u6570\u8f7d\u6d41\u5b50\u5f62\u6210\u7684\u5fae\u5c0f\u6f0f\u7535\u6d41\u5f97\u4ee5\u6d41\u8fc7\u3002<\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/07\/04-forward-bias-reverse-bias.png\" alt=\"\u6b63\u5411\u504f\u7f6e\u548c\u53cd\u5411\u504f\u7f6e\" width=\"700\" height=\"394\" \/><\/p>\n<p>\u6b64\u5916\uff0c\u53d1\u5149\u4e8c\u6781\u7ba1\uff08LED\uff09\u4ec5\u5728\u6b63\u5411\u504f\u7f6e\u65f6\u53d1\u5149\u4e5f\u662f\u57fa\u4e8e\u8fd9\u4e00\u539f\u7406\u3002\u5373\u4f7f\u5229\u7528\u540c\u6837\u7684PN\u7ed3\uff0c\u901a\u8fc7\u7cbe\u5fc3\u8bbe\u8ba1\u6750\u6599\u548c\u7ed3\u6784\uff0c\u4e5f\u80fd\u5b9e\u73b0\u5404\u79cd\u7279\u6027\uff0c\u4f8b\u5982\u7528\u4e8e\u9ad8\u9891\u4fe1\u53f7\u5f00\u5173\u7684PIN\u4e8c\u6781\u7ba1\uff0c\u4ee5\u53ca\u4ea7\u751f\u6fc0\u5149\u7684\u6fc0\u5149\u4e8c\u6781\u7ba1\u7b49\u3002<\/p>\n<h3 id=\"toc4\">\u9608\u503c\u7535\u538b\u4e0e\u51fb\u7a7f\u7535\u538b<\/h3>\n<p>\u5728\u65bd\u52a0\u6b63\u5411\u7535\u538b\u65f6\uff0c\u9664\u975e\u8d85\u8fc7\u4e00\u5b9a\u7684\u9608\u503c\u7535\u538b\uff0c\u5426\u5219\u7535\u6d41\u4e0d\u4f1a\u663e\u8457\u589e\u5927\u3002\u5bf9\u4e8e\u7845\u4e8c\u6781\u7ba1\u800c\u8a00\uff0c\u53c2\u8003\u503c\u7ea6\u4e3a0.7V\uff1b\u82e5\u662f\u9517\u4e8c\u6781\u7ba1\uff0c\u5219\u5927\u7ea6\u57280.3V\u5de6\u53f3\uff1b\u5982\u679c\u662f\u8096\u7279\u57fa\u52bf\u5792\u4e8c\u6781\u7ba1\uff0c\u5176\u8303\u56f4\u7ea6\u4e3a0.2~0.4V\u3002<\/p>\n<p>\u5982\u679c\u6301\u7eed\u65bd\u52a0\u8fc7\u9ad8\u7684\u53cd\u5411\u7535\u538b\uff0c\u4e00\u65e6\u4f1a\u8d85\u8fc7\u51fb\u7a7f\u7535\u538b\uff0c\u53cd\u5411\u7535\u6d41\u5c31\u4f1a\u6025\u5267\u589e\u5927\u3002\u5bf9\u4e8e\u666e\u901a\u7684\u6574\u6d41\u4e8c\u6781\u7ba1\u6765\u8bf4\uff0c\u8fd9\u5f80\u5f80\u4f34\u968f\u7740\u6545\u969c\u98ce\u9669\uff0c\u7136\u800c\uff0c\u9f50\u7eb3\u4e8c\u6781\u7ba1\u5374\u5229\u7528\u8fd9\u4e00\u7279\u6027\uff0c\u6839\u636e\u9884\u5b9a\u7684\u9f50\u7eb3\u7535\u538b\u5bf9\u7535\u538b\u8fdb\u884c\u7b9d\u4f4d\uff0c\u4ece\u800c\u5145\u5f53\u7535\u8def\u7684\u201c\u8fc7\u538b\u5b89\u5168\u9600\u201d\u3002<\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/07\/05-forward-i-v-curve-threshold-voltage-and-potential-breakdown.png\" alt=\"\u9608\u503c\u7535\u538b\u4e0e\u51fb\u7a7f\u7535\u538b\" width=\"700\" height=\"394\" \/><\/p>\n<h2 id=\"toc5\">\u4e8c\u6781\u7ba1\u7684\u7535\u538b-\u7535\u6d41\u7279\u6027<\/h2>\n<p>\u4e86\u89e3\u4e8c\u6781\u7ba1\u5177\u6709\u600e\u6837\u7684\u7535\u538b-\u7535\u6d41\u7279\u6027\uff0c\u5e76\u901a\u8fc7\u516c\u5f0f\u52a0\u4ee5\u638c\u63e1\uff0c\u5bf9\u4e8e\u7535\u8def\u8bbe\u8ba1\u975e\u5e38\u6709\u76ca\u3002\u4f8b\u5982\uff0c\u5728\u9009\u62e9\u9002\u5408\u5f00\u5173\u7535\u6e90\u6216\u7535\u6e90\u7cfb\u7edf\u7684\u4e8c\u6781\u7ba1\u65f6\uff0c\u5982\u679c\u9700\u8981\u4f30\u7b97\u6b63\u5411\u635f\u8017\u548c\u53cd\u5411\u7535\u6d41\u7684\u5927\u5c0f\uff0c\u57fa\u672c\u505a\u6cd5\u662f\u9996\u5148\u5e94\u4ee5\u8096\u514b\u5229\u4e8c\u6781\u7ba1\u65b9\u7a0b\u4e3a\u51fa\u53d1\u70b9\u8fdb\u884c\u8003\u91cf\uff0c\u5728\u6b64\u57fa\u7840\u4e0a\uff0c\u5229\u7528SPICE\u6a21\u578b\u6765\u8865\u5145\u5b9e\u9645\u5668\u4ef6\u7684\u4e32\u8054\u7535\u963b\u3001\u5bc4\u751f\u5206\u91cf\u4ee5\u53ca\u6e29\u5ea6\u4f9d\u8d56\u6027\u7b49\u7279\u6027\uff0c\u5e76\u5bf9\u6700\u7ec8\u7684\u8868\u73b0\u8fdb\u884c\u4eff\u771f\u3002<\/p>\n<h3 id=\"toc6\">\u8096\u514b\u5229\u4e8c\u6781\u7ba1\u65b9\u7a0b<\/h3>\n<p>PN\u7ed3\u578b\u4e8c\u6781\u7ba1\u7684\u57fa\u672cI\u2013V\u7279\u6027\u53ef\u901a\u8fc7\u4e0b\u9762\u7684\u8096\u514b\u5229\u65b9\u7a0b\u8fd1\u4f3c\u8868\u793a\uff1a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(I=I_0 \\left(e^{\\frac{qV}{kT}}-1\\right)\\)<\/span><\/p>\n<ul class=\"unordered-list\">\n<li><span class=\"u-ff-mathjax\">I<\/span> \uff1a\u6d41\u7ecf\u4e8c\u6781\u7ba1\u7684\u7535\u6d41<\/li>\n<li><span class=\"u-ff-mathjax\">I<\/span><sub>0<\/sub>\uff1a\u53cd\u5411\u9971\u548c\u7535\u6d41\uff08\u975e\u5e38\u5c0f\u7684\u503c\uff09<\/li>\n<li><span class=\"u-ff-mathjax\">q<\/span> \uff1a\u5143\u7535\u8377\uff08\u7ea6 1.602\u00d710<sup>\u221219<\/sup>\u5e93\u4ed1\uff09<\/li>\n<li><span class=\"u-ff-mathjax\">V<\/span> \uff1a\u65bd\u52a0\u5728\u4e8c\u6781\u7ba1\u4e0a\u7684\u7535\u538b<\/li>\n<li><span class=\"u-ff-mathjax\">k<\/span> \uff1a\u73bb\u5c14\u5179\u66fc\u5e38\u6570\uff08\u7ea6 1.38\u00d710<sup>\u221223<\/sup>J\/K\uff09<\/li>\n<li><span class=\"u-ff-mathjax\">T<\/span> \uff1a\u7edd\u5bf9\u6e29\u5ea6\uff08K\uff09<\/li>\n<\/ul>\n<p>\u5982\u8be5\u516c\u5f0f\u6240\u793a\uff0c\u5f53\u7535\u538b\u8d85\u8fc7\u4e00\u5b9a\u7a0b\u5ea6\u65f6\uff0c\u7535\u6d41\u4fbf\u4f1a\u5448\u6307\u6570\u7ea7\u589e\u957f\uff0c\u7ed9\u4eba\u4e00\u79cd\u201c\u53ea\u8981\u7a0d\u5fae\u8d85\u8fc7\u9608\u503c\uff0c\u7535\u6d41\u5c31\u4f1a\u6025\u5267\u589e\u5927\u201d\u7684\u5370\u8c61\u3002\u5728\u5b9e\u9645\u7535\u8def\u4e2d\uff0c\u7531\u4e8e\u4f1a\u52a0\u5165\u4e32\u8054\u7535\u963b\u3001\u7ed3\u7535\u5bb9\u3001\u6e29\u5ea6\u7b49\u56e0\u7d20\uff0c\u901a\u5e38\u9700\u8981\u5229\u7528\u6280\u672f\u89c4\u683c\u4e66\u548cSPICE\u8fdb\u884c\u6700\u7ec8\u786e\u8ba4\u3002<\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/07\/06-conceptual-chart-shockley-equation-exponential-rise-of-diode-current.png\" alt=\"\u8096\u514b\u5229\u4e8c\u6781\u7ba1\u65b9\u7a0b\" width=\"700\" height=\"394\" \/><\/p>\n<h3 id=\"toc7\">\u6e29\u5ea6\u7279\u6027\u4e0e\u5b89\u88c5\u6ce8\u610f\u4e8b\u9879<\/h3>\n<p>\u5f53\u4e8c\u6781\u7ba1\u6e29\u5ea6\u5347\u9ad8\u65f6\uff0c\u6b63\u5411\u7535\u538b\u4f1a\u4e0b\u964d\uff0c\u8fd9\u610f\u5473\u7740\u5373\u4f7f\u76f8\u540c\u7684\u7535\u538b\uff0c\u4e5f\u4f1a\u6709\u66f4\u5927\u7684\u7535\u6d41\u6d41\u8fc7\uff0c\u5b58\u5728\u70ed\u5931\u63a7\u7684\u98ce\u9669\u3002\u5bf9\u4e8e\u6574\u6d41\u7535\u8def\u7b49\u6d41\u8fc7\u5927\u7535\u6d41\u7684\u90e8\u4f4d\uff0c\u9700\u8981\u8bbe\u8ba1\u6563\u70ed\u5668\u6216\u91c7\u7528\u5f3a\u5236\u7a7a\u51b7\uff0c\u4ee5\u786e\u4fdd\u5bf9\u4e8c\u6781\u7ba1\u7684\u53d1\u70ed\u91cf\u6709\u5145\u5206\u7684\u88d5\u91cf\u3002<\/p>\n<p>\u5728\u5b89\u88c5\u9636\u6bb5\uff08\u4f8b\u5982\u56de\u6d41\u710a\u7b49\uff09\uff0c\u540c\u6837\u9700\u8981\u6ce8\u610f\u4e0d\u8981\u8d85\u51fa\u5c01\u88c5\u7684\u5bb9\u8bb8\u6e29\u5ea6\uff0c\u8fd9\u975e\u5e38\u91cd\u8981\u3002\u907f\u514d\u8d85\u8fc7\u989d\u5b9a\u503c\u4f7f\u7528\u548c\u5728\u9ad8\u6e29\u73af\u5883\u4e0b\u4f7f\u7528\uff0c\u76f4\u63a5\u5173\u7cfb\u5230\u80fd\u5426\u786e\u4fdd\u957f\u671f\u53ef\u9760\u6027\u3002<\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/07\/07-graph-forward-voltage-lower-with-rising-temperature.png\" alt=\"\u7535\u6d41 - \u7535\u538b\u7279\u6027\uff08\u6e29\u5ea6\u7279\u6027\uff09\u3000\u6574\u6d41\u4e8c\u6781\u7ba1\u793a\u4f8b\" width=\"700\" height=\"394\" \/><\/p>\n<h2 id=\"toc8\">\u4e8c\u6781\u7ba1\u7684\u79cd\u7c7b<\/h2>\n<p>\u4e8c\u6781\u7ba1\u79cd\u7c7b\u7e41\u591a\uff0c\u5305\u62ec\u6574\u6d41\u4e8c\u6781\u7ba1\u3001\u9f50\u7eb3\u4e8c\u6781\u7ba1\u3001\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u3001LED\uff08\u53d1\u5149\u4e8c\u6781\u7ba1\uff09\u7b49\uff0c\u53ef\u6839\u636e\u4e0d\u540c\u7528\u9014\u9009\u62e9\u76f8\u5e94\u7684\u4ea7\u54c1\u3002\u6b64\u5916\uff0c\u8fd8\u6709\u6fc0\u5149\u4e8c\u6781\u7ba1\u548cPIN\u4e8c\u6781\u7ba1\u7b49\u9002\u7528\u4e8e\u7279\u6b8a\u7528\u9014\u7684\u4ea7\u54c1\uff0c\u6839\u636e\u5177\u4f53\u7684\u76ee\u7684\u8fdb\u884c\u6b63\u786e\u9009\u62e9\uff0c\u6709\u52a9\u4e8e\u63d0\u5347\u7535\u8def\u6027\u80fd\u3002<\/p>\n<h3 id=\"toc9\">\u4e8c\u6781\u7ba1\u7684\u5206\u7c7b<\/h3>\n<p>\u4e8c\u6781\u7ba1\u5927\u81f4\u53ef\u5206\u4e3a\u6574\u6d41\u4e8c\u6781\u7ba1\uff08\u7535\u6e90\u7684AC\u2192DC\u8f6c\u6362\u7b49\uff09\u3001\u9f50\u7eb3\u4e8c\u6781\u7ba1\uff08\u63d0\u4f9b\u6052\u5b9a\u7684\u57fa\u51c6\u7535\u538b\u53ca\u4fdd\u62a4\u529f\u80fd\uff09\u3001\u8096\u7279\u57fa\u52bf\u5792\u4e8c\u6781\u7ba1\uff08\u5177\u6709\u4f4e\u6b63\u5411\u7535\u538b\u4e0e\u9ad8\u901f\u7279\u6027\uff09\u3001LED\uff08\u53d1\u5149\uff09\u7b49\u51e0\u7c7b\u3002<\/p>\n<p>\u5728\u89c4\u683c\u65b9\u9762\uff0c\u6709\u5305\u62ec\u8010\u538b\u3001\u5bb9\u8bb8\u7535\u6d41\u3001\u5c01\u88c5\u5f62\u72b6\u7b49\u5728\u5185\u7684\u591a\u79cd\u89c4\u683c\u9879\u3002\u53e6\u5916\uff0c\u5e02\u573a\u4e0a\u8fd8\u6709\u9488\u5bf9\u7279\u5b9a\u7528\u9014\u7684\u7ec6\u5206\u5c0f\u4f17\u4ea7\u54c1\uff0c\u4f8b\u5982\u9517\u4e8c\u6781\u7ba1\uff08\u7279\u70b9\u5728\u4e8e\u4f4e\u6b63\u5411\u7535\u538b\uff09\u548c\u6052\u6d41\u4e8c\u6781\u7ba1\u7b49\u3002\u9009\u62e9\u89c4\u683c\u7b26\u5408\u5b9e\u9645\u7528\u9014\u9700\u6c42\u7684\u4ea7\u54c1\uff0c\u662f\u964d\u4f4e\u635f\u8017\u5e76\u63d0\u9ad8\u53ef\u9760\u6027\u7684\u5173\u952e\u3002<\/p>\n<table class=\"post-table\">\n<caption>\u6309\u7528\u9014\u3001\u79cd\u7c7b\u548c\u7ed3\u6784\u5212\u5206\u7684\u4e8c\u6781\u7ba1\u5206\u7c7b<\/caption>\n<thead>\n<tr>\n<th>\u7528\u9014<\/th>\n<th>\u79cd\u7c7b<\/th>\n<th>\u7ed3\u6784<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td rowspan=\"7\">\u6574\u6d41<\/td>\n<td>\u5e38\u89c4\u6574\u6d41\u4e8c\u6781\u7ba1<\/td>\n<td>PN\u7ed3<\/td>\n<\/tr>\n<tr>\n<td>\u5f00\u5173\u4e8c\u6781\u7ba1<\/td>\n<td>PN\u7ed3<\/td>\n<\/tr>\n<tr>\n<td>\u5feb\u6062\u590d\u4e8c\u6781\u7ba1\uff08FRD\uff09<\/td>\n<td>PN\u7ed3<\/td>\n<\/tr>\n<tr>\n<td>\u4e8c\u6781\u7ba1\u7535\u6865<\/td>\n<td>PN\u7ed3<\/td>\n<\/tr>\n<tr>\n<td>\u9636\u8dc3\u6062\u590d\u4e8c\u6781\u7ba1\uff08SRD\uff09<\/td>\n<td>PN\u7ed3<\/td>\n<\/tr>\n<tr>\n<td>\u8096\u7279\u57fa\u52bf\u5792\u4e8c\u6781\u7ba1\uff1aSBD<\/td>\n<td>\u91d1\u5c5e-\u534a\u5bfc\u4f53\u7ed3<\/td>\n<\/tr>\n<tr>\n<td>SiC\u8096\u7279\u57fa\u52bf\u5792\u4e8c\u6781\u7ba1\uff08SiC SBD\uff09<\/td>\n<td>\u91d1\u5c5e-\u534a\u5bfc\u4f53\u7ed3<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">\u6052\u538b<\/td>\n<td>\u9f50\u7eb3\u4e8c\u6781\u7ba1<\/td>\n<td>PN\u7ed3<\/td>\n<\/tr>\n<tr>\n<td>ESD\u4fdd\u62a4\u4e8c\u6781\u7ba1\uff08TVS\uff09<\/td>\n<td>PN\u7ed3<\/td>\n<\/tr>\n<tr>\n<td>\u96ea\u5d29\u4e8c\u6781\u7ba1\uff08ABD\uff09<\/td>\n<td>PN\u7ed3<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">\u9ad8\u9891<\/td>\n<td>\u5f00\u5173\u4e8c\u6781\u7ba1\u3000PIN\u4e8c\u6781\u7ba1<\/td>\n<td>PN\u7ed3<\/td>\n<\/tr>\n<tr>\n<td>\u68c0\u6ce2\u7528\u8096\u7279\u57fa\u52bf\u5792\u4e8c\u6781\u7ba1<\/td>\n<td>\u91d1\u5c5e-\u534a\u5bfc\u4f53\u7ed3<\/td>\n<\/tr>\n<tr>\n<td>\u53d8\u5bb9\u4e8c\u6781\u7ba1<\/td>\n<td>PN\u7ed3<\/td>\n<\/tr>\n<tr>\n<td>\u6052\u5b9a\u7535\u6d41<\/td>\n<td>\u6052\u6d41\u4e8c\u6781\u7ba1<\/td>\n<td>\u7ed3\u578b\u573a\u6548\u5e94\u7ba1<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">\u53d1\u5149<\/td>\n<td>\u53d1\u5149\u4e8c\u6781\u7ba1\uff08LED\uff09<\/td>\n<td>PN\u7ed3<\/td>\n<\/tr>\n<tr>\n<td>\u6fc0\u5149\u4e8c\u6781\u7ba1 (LD)<\/td>\n<td>PN\u7ed3<\/td>\n<\/tr>\n<tr>\n<td>\u53d7\u5149<\/td>\n<td>\u5149\u7535\u4e8c\u6781\u7ba1<\/td>\n<td>PN\u7ed3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 id=\"toc10\">\u901a\u7528\uff08\u6574\u6d41\uff09\u4e8c\u6781\u7ba1<\/h3>\n<p>\u5728\u5bb6\u7528\u4ea4\u6d41\u7535\u6e90\u548c\u5de5\u4e1a\u7535\u6e90\u88c5\u7f6e\u7b49\u7684\u6574\u6d41\u7535\u8def\u4e2d\uff0c\u901a\u7528\u6574\u6d41\u4e8c\u6781\u7ba1\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u5728\u5f88\u591a\u60c5\u51b5\u4e0b\uff0c\u8bbe\u8ba1\u4e0a\u4f1a\u91c7\u75284\u4e2a\u4e8c\u6781\u7ba1\u901a\u8fc7\u6865\u5f0f\u8fde\u63a5\u5c06\u8d1f\u534a\u5468\u671f\u8fdb\u884c\u53cd\u8f6c\uff0c\u5e76\u901a\u8fc7\u7535\u5bb9\u5668\u8fdb\u884c\u6ee4\u6ce2\u5e73\u6ed1\u5904\u7406\uff0c\u6700\u7ec8\u4ea7\u751fDC\uff08\u76f4\u6d41\u7535\uff09\u3002<\/p>\n<p>\u7136\u800c\uff0c\u7531\u4e8e\u5176\u6b63\u5411\u7535\u538b\u7ea6\u4e3a0.7V\uff0c\u5728\u5904\u7406\u5927\u7535\u6d41\u7684\u5e94\u7528\u573a\u666f\uff0c\u53d1\u70ed\u548c\u6548\u7387\u4e0b\u964d\u662f\u4e0d\u53ef\u5ffd\u89c6\u7684\u95ee\u9898\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4e5f\u53ef\u4ee5\u8003\u8651\u6539\u7528\u8096\u7279\u57fa\u52bf\u5792\u4e8c\u6781\u7ba1\u6765\u6291\u5236\u7535\u538b\u635f\u8017\u3002\u53e6\u5916\uff0c\u4e5f\u9700\u8981\u9009\u62e9\u80fd\u591f\u5e94\u5bf9\u5927\u5bb9\u91cf\u7535\u5bb9\u5668\u5145\u7535\u65f6\u4ea7\u751f\u7684\u6d6a\u6d8c\u7535\u6d41\uff08Surge\uff09\u7684\u989d\u5b9a\u89c4\u683c\uff0c\u8fd9\u4e00\u70b9\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h3 id=\"toc11\">\u9f50\u7eb3\u4e8c\u6781\u7ba1<\/h3>\n<p>\u9f50\u7eb3\u4e8c\u6781\u7ba1\u662f\u4e00\u79cd\u5177\u6709\u5728\u53cd\u5411\u7535\u538b\u8d85\u8fc7\u4e00\u5b9a\u503c\uff08\u9f50\u7eb3\u7535\u538b\uff09\u65f6\u53d1\u751f\u51fb\u7a7f\uff0c\u5e76\u80fd\u7ef4\u6301\u7a33\u5b9a\u7684\u6052\u5b9a\u7535\u538b\u7279\u6027\u7684\u4e8c\u6781\u7ba1\u3002\u4f5c\u4e3a\u6052\u538b\u6e90\u3001\u8fc7\u7535\u538b\u4fdd\u62a4\u7535\u8def\u6216\u7b80\u6613\u7684\u57fa\u51c6\u6e90\uff0c\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/p>\n<p>\u4f8b\u59825V\u5de6\u53f3\u7684\u9f50\u7eb3\u4e8c\u6781\u7ba1\u82e5\u914d\u7f6e\u5728\u5fae\u63a7\u5236\u5668\u8f93\u5165\u5f15\u811a\u9644\u8fd1\uff0c\u5219\u5373\u4f7f\u53d1\u751f\u6d6a\u6d8c\u7535\u538b\uff0c\u4e5f\u4f1a\u57285V\u9644\u8fd1\u88ab\u94b3\u4f4d\uff0c\u4ece\u800c\u80fd\u591f\u4fdd\u62a4\u8f93\u5165\u5f15\u811a\u3002\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5f53\u9f50\u7eb3\u4e8c\u6781\u7ba1\u6d41\u8fc7\u5927\u7535\u6d41\u65f6\uff0c\u53ef\u80fd\u5f15\u53d1\u70ed\u51fb\u7a7f\uff0c\u56e0\u6b64\u9700\u8981\u6b63\u786e\u8bbe\u7f6e\u5176\u524d\u7ea7\u7535\u963b\u7684\u963b\u503c\u548c\u989d\u5b9a\u529f\u7387\u3002<\/p>\n<h3 id=\"toc12\">\u8096\u7279\u57fa\u52bf\u5792\u4e8c\u6781\u7ba1<\/h3>\n<p>\u8096\u7279\u57fa\u52bf\u5792\u4e8c\u6781\u7ba1\u901a\u8fc7\u91d1\u5c5e\u4e0e\u534a\u5bfc\u4f53\u76f4\u63a5\u63a5\u5408\uff0c\u53ef\u5b9e\u73b0\u6bd4\u666e\u901aPN\u7ed3\u4e8c\u6781\u7ba1\u66f4\u4f4e\u7684\u6b63\u5411\u7535\u538b\uff0c\u5e76\u4e14\u80fd\u591f\u9ad8\u901f\u5f00\u5173\u3002\u6709\u4e9b\u4ea7\u54c1\u53ef\u4ee5\u57280.2\uff5e0.4V\u5de6\u53f3\u7684\u7535\u538b\u964d\u6761\u4ef6\u4e0b\u5de5\u4f5c\uff0c\u5e38\u88ab\u7528\u4e8e\u5f00\u5173\u7535\u6e90\u7684\u4e8c\u6b21\u4fa7\u6574\u6d41\u53caOR\u8fde\u63a5\u9632\u6b62\u9006\u6d41\u7b49\u91cd\u89c6\u6548\u7387\u548c\u901f\u5ea6\u7684\u5e94\u7528\u4e2d\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u7531\u4e8e\u5176\u53cd\u5411\u8010\u538b\u80fd\u529b\u76f8\u5bf9\u8f83\u4f4e\uff0c\u53ef\u80fd\u4e0d\u9002\u7528\u4e8e\u9ad8\u7535\u538b\u7ebf\u8def\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u57285V\u548c3.3V\u7b49\u4f4e\u7535\u538b\u7ebf\u8def\u4e2d\uff0c\u5176\u4f18\u52bf\u4f9d\u7136\u53ef\u4ee5\u5f97\u5230\u53d1\u6325\u3002<\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/07\/08-internal-structure-illustrating-schottky-barrier-interface.png\" alt=\"\u8096\u7279\u57fa\u52bf\u5792\u4e8c\u6781\u7ba1\u7684\u7ed3\u6784\" width=\"700\" height=\"394\" \/><\/p>\n<h3 id=\"toc13\">LED<\/h3>\n<p>LED\uff08Light Emitting Diode\uff09\u662f\u4e00\u79cd\u5728\u65bd\u52a0\u6b63\u5411\u7535\u6d41\u65f6\u4f1a\u53d1\u5149\u7684\u4e8c\u6781\u7ba1\u3002\u5b83\u5229\u7528\u4e86\u7535\u5b50\u4e0e\u7a7a\u7a74\u590d\u5408\u65f6\u91ca\u653e\u5149\u5b50\u7684\u539f\u7406\u3002\u5176\u5e38\u89c4\u7684\u6b63\u5411\u7535\u538b\u4e3a\uff1a\u7ea2\u8272LED\u7ea61.8\uff5e2.2V\uff0c\u84dd\u8272\u548c\u767d\u8272LED\u7ea63V\u3002<\/p>\n<p>\u4ece\u5c0f\u5c0f\u7684\u6307\u793a\u706f\uff0c\u5230\u6c7d\u8f66\u524d\u7167\u706f\uff0c\u518d\u5230\u5ba4\u5185\u7167\u660e\uff0c\u5176\u5e94\u7528\u8303\u56f4\u975e\u5e38\u5e7f\u6cdb\u3002\u6fc0\u5149\u4e8c\u6781\u7ba1\u662f\u5728LED\u539f\u7406\u7684\u57fa\u7840\u4e0a\u8fdb\u4e00\u6b65\u53d1\u5c55\uff0c\u5c06\u5149\u653e\u5927\u6210\u72ed\u7a84\u5149\u675f\u72b6\u7684\u4ea7\u54c1\u3002\u65e0\u8bba\u54ea\u79cd\u5e94\u7528\u573a\u666f\uff0c\u8fc7\u7535\u6d41\u90fd\u53ef\u80fd\u5bfc\u81f4\u6545\u969c\uff0c\u56e0\u6b64\u4f7f\u7528\u4e32\u8054\u7535\u963b\u6216\u6052\u6d41\u9a71\u52a8\u5668\u8fdb\u884c\u9002\u5f53\u7684\u7535\u6d41\u63a7\u5236\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/07\/09-principle-of-led-emission-and-example-of-led-appearance.png\" alt=\"LED\u53d1\u5149\u539f\u7406\u53ca\u4ea7\u54c1\u5916\u89c2\u793a\u4f8b\" width=\"700\" height=\"394\" \/><\/p>\n<h2 id=\"toc14\">\u4e8c\u6781\u7ba1\u7684\u4e3b\u8981\u7528\u9014\u548c\u5e94\u7528\u5b9e\u4f8b<\/h2>\n<p>\u4e8c\u6781\u7ba1\u4e0d\u4ec5\u80fd\u591f\u5c06\u4ea4\u6d41\u7535\u6574\u6d41\u4e3a\u76f4\u6d41\u7535\uff0c\u8fd8\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9650\u538b\u4fdd\u62a4\u7535\u8def\u3001\u901a\u4fe1\u4fe1\u53f7\u68c0\u6ce2\u4ee5\u53ca\u6ce2\u5f62\u63a7\u5236\u7b49\u5e94\u7528\u3002<\/p>\n<h3 id=\"toc15\">\u7535\u6e90\u7535\u8def\u4e2d\u7684\u6574\u6d41<\/h3>\n<p>\u5728\u7535\u6e90\u8bbe\u8ba1\u4e2d\uff0c\u9996\u5148\u9700\u8981\u5c06\u4ea4\u6d41\u7535\u8f6c\u6362\u4e3a\u76f4\u6d41\u7535\u7684\u201c\u6574\u6d41\u201d\u5904\u7406\u3002\u901a\u8fc7\u4f7f\u7528\u6865\u5f0f\u6574\u6d41\u7535\u8def\uff0c\u53ef\u4ee5\u5145\u5206\u5229\u7528\u4ea4\u6d41\u7535\u7684\u6b63\u8d1f\u534a\u5468\u671f\uff0c\u5c06\u6574\u4e2a\u6ce2\u5f62\u6574\u5f62\u6210\u6b63\u6781\u4fa7\u7684\u8109\u52a8\u76f4\u6d41\u7535\u3002\u7136\u540e\u901a\u8fc7\u7535\u5bb9\u5668\u8fdb\u884c\u6ee4\u6ce2\u5e73\u6ed1\u5904\u7406\uff0c\u518d\u8fde\u63a5\u7ebf\u6027\u7a33\u538b\u5668\u6216\u5f00\u5173\u5f0f\u7a33\u538b\u5668\uff0c\u901a\u5e38\u53ef\u4ee5\u83b7\u5f97\u5bf9\u8d1f\u8f7d\u6ce2\u52a8\u548c\u8f93\u5165\u53d8\u5316\u5177\u6709\u8f83\u5f3a\u6297\u5e72\u6270\u80fd\u529b\u7684\u7a33\u5b9a\u7684\u8f93\u51fa\u7535\u538b\u3002<\/p>\n<p>\u5f00\u5173\u7535\u6e90\u901a\u5e38\u4f1a\u5728\u9ad8\u9891\u5f00\u5173\u540e\uff0c\u5728\u6b21\u7ea7\u4fa7\u4f7f\u7528\u5feb\u6062\u590d\u4e8c\u6781\u7ba1\uff0c\u4ee5\u51cf\u5c11\u635f\u8017\u3002\u5982\u679c\u9009\u9519\u6574\u6d41\u4e8c\u6781\u7ba1\uff0c\u4f1a\u5bfc\u81f4\u80fd\u91cf\u635f\u8017\u548c\u53d1\u70ed\u91cf\u589e\u5927\uff0c\u4ece\u800c\u5f15\u8d77\u6548\u7387\u4e0b\u964d\u548c\u53ef\u9760\u6027\u6076\u5316\uff0c\u56e0\u6b64\u9700\u8981\u7279\u522b\u6ce8\u610f\u3002<\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/07\/10-full-wave-rectifier-circuit-for-commercial-power-and-voltage-waveform.png\" alt=\"\u5546\u7528\u7535\u6e90\u7684\u5168\u6ce2\u6574\u6d41\u7535\u8def\u548c\u7535\u538b\u6ce2\u5f62\" width=\"700\" height=\"394\" \/><\/p>\n<h3 id=\"toc16\">\u4fdd\u62a4\u7535\u8def\u548c\u6d6a\u6d8c\u5bf9\u7b56<\/h3>\n<p>\u4e8c\u6781\u7ba1\u5728\u9632\u6b62\u9006\u6d41\u548c\u6291\u5236\u8fc7\u7535\u538b\u65b9\u9762\u4e5f\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002\u7ee7\u7535\u5668\u6216\u7535\u673a\u7b49\u611f\u6027\u8d1f\u8f7d\u5173\u65ad\u65f6\u4ea7\u751f\u7684\u9ad8\u7535\u538b\u5c16\u5cf0\uff0c\u53ef\u4ee5\u901a\u8fc7\u53cd\u5411\u8fde\u63a5\u4e8c\u6781\u7ba1\uff08\u7eed\u6d41\u4e8c\u6781\u7ba1\uff09\u6765\u5b89\u5168\u5730\u6cc4\u653e\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u4f7f\u7528\u9f50\u7eb3\u4e8c\u6781\u7ba1\u53ef\u4ee5\u5728\u53cd\u65b9\u5411\u4e0a\u94b3\u4f4d\u8d85\u8fc7\u4e00\u5b9a\u503c\u7684\u7535\u538b\uff0c\u4ece\u800c\u4fdd\u62a4IC\u5f15\u811a\u3002\u6b64\u5916\uff0cESD\u4fdd\u62a4\u4e8c\u6781\u7ba1\u53ef\u5c06\u9759\u7535\u5f15\u8d77\u7684\u6d6a\u6d8c\u7535\u6d41\u5f15\u5bfc\u81f3\u63a5\u5730\uff0c\u4ece\u800c\u4fdd\u62a4\u7535\u8def\u677f\u4e0a\u7684\u91cd\u8981\u5143\u5668\u4ef6\u3002<\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/07\/11-ic-surge-protection-using-zener-diode.png\" alt=\"\u9f50\u7eb3\u4e8c\u6781\u7ba1\u5bf9IC\u7684\u4fdd\u62a4\" width=\"700\" height=\"394\" \/><\/p>\n<h3 id=\"toc17\">\u4fe1\u53f7\u5904\u7406\u548c\u901a\u4fe1\u7535\u8def<\/h3>\n<p>\u4e8c\u6781\u7ba1\u4e0d\u4ec5\u7528\u4e8e\u6574\u6d41\u548c\u4fdd\u62a4\uff0c\u8fd8\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u901a\u4fe1\u548c\u6a21\u62df\u4fe1\u53f7\u5904\u7406\u9886\u57df\u3002\u4f8b\u5982\uff0cAM\u6536\u97f3\u673a\u7684\u68c0\u6ce2\u7535\u8def\u5c31\u662f\u5229\u7528\u4e8c\u6781\u7ba1\u63d0\u53d6\u6ce2\u5f62\u7684\u201c\u5305\u7edc\u7ebf\u201d\uff0c \u4ece\u800c\u83b7\u53d6\u97f3\u9891\u6210\u5206\u7684\u3002\u5728\u9650\u5e45\u7535\u8def\u548c\u94b3\u4f4d\u7535\u8def\u4e2d\uff0c\u8d85\u51fa\u4e00\u5b9a\u7535\u5e73\u7684\u6ce2\u5f62\u5c06\u88ab\u524a\u9664\u6216\u6dfb\u52a0\u76f4\u6d41\u504f\u7f6e\u3002<\/p>\n<p>\u5728\u9ad8\u9891\u9886\u57df\uff0cPIN\u4e8c\u6781\u7ba1\u5e38\u88ab\u7528\u4f5c\u5f00\u5173\u5143\u4ef6\u6216\u53ef\u53d8\u8870\u51cf\u5668\uff1b\u53d8\u5bb9\u4e8c\u6781\u7ba1\uff08Varactor Diode\uff09\u5219\u88ab\u7528\u4e8e\u901a\u8fc7\u7535\u538b\u8c03\u6574VCO\uff08\u538b\u63a7\u632f\u8361\u5668\uff09\u7684\u632f\u8361\u9891\u7387\u7b49\u591a\u79cd\u7528\u9014\u3002\u7efc\u4e0a\u6240\u8ff0\uff0c\u5229\u7528\u4e8c\u6781\u7ba1\u7684\u7279\u6027\u5b9e\u73b0\u4e86\u591a\u79cd\u591a\u6837\u7684\u7535\u5b50\u7535\u8def\u3002<\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/07\/12-basic-schematic-am-demodulator-diode-capacitor-envelope-detector.png\" alt=\"AM\u4fe1\u53f7\u5305\u7edc\u7ebf\u68c0\u6ce2\u7535\u8def\u56fe\" width=\"700\" height=\"394\" \/><\/p>\n<h3 id=\"toc18\">\u77e9\u9635\u952e\u76d8\u7535\u8def\u7b49\u5e94\u7528<\/h3>\n<p>\u952e\u76d8\u77e9\u9635\u4e2d\uff0c\u5f53\u591a\u4e2a\u6309\u952e\u540c\u65f6\u6309\u4e0b\u65f6\uff0c\u53ef\u80fd\u4ea7\u751f\u975e\u9884\u671f\u7684\u7535\u6d41\u8def\u5f84\uff0c\u4ece\u800c\u5bfc\u81f4\u9b3c\u952e\u73b0\u8c61\uff08\u5373\u672a\u6309\u4e0b\u7684\u6309\u952e\u88ab\u8bef\u8bc6\u522b\u4e3a\u6309\u4e0b\u72b6\u6001\uff09\u3002\u56e0\u6b64\uff0c\u53ef\u901a\u8fc7\u5728\u6bcf\u4e2a\u6309\u952e\u4e0a\u914d\u7f6e\u4e8c\u6781\u7ba1\u6765\u9650\u5236\u7535\u6d41\u65b9\u5411\uff0c\u4ece\u800c\u51c6\u786e\u8bc6\u522b\u6309\u952e\u8f93\u5165\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u4e8c\u6781\u7ba1\u5728\u5de7\u5999\u5730\u63a7\u5236\u7535\u6d41\u8def\u5f84\u65b9\u9762\u4e5f\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\uff0c\u4f8b\u5982\u5c06\u7535\u5bb9\u5668\u4e0e\u4e8c\u6781\u7ba1\u7ec4\u5408\u4ea7\u751f\u9ad8\u7535\u538b\u7684\u500d\u538b\u7535\u8def\uff08Voltage-multiplier Circuits\uff09\uff0c\u4ee5\u53ca\u81ea\u52a8\u5207\u6362\u591a\u4e2a\u7535\u6e90\u7684OR\u8fde\u63a5\u7535\u8def\u7b49\u3002<\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/07\/13-keyboard-matrix-switch-diodes-ghosting-prevention.png\" alt=\"\u952e\u76d8\u77e9\u9635\u4e2d\u5229\u7528\u4e8c\u6781\u7ba1\u9632\u6b62\u9b3c\u952e\" width=\"700\" height=\"394\" \/><\/p>\n<h2 id=\"toc19\">\u603b\u7ed3<\/h2>\n<p>\u4e8c\u6781\u7ba1\u662f\u4e00\u79cd\u534a\u5bfc\u4f53\u5668\u4ef6\uff0c\u5177\u6709\u7406\u60f3\u60c5\u51b5\u4e0b\u53ea\u5141\u8bb8\u7535\u6d41\u5355\u5411\u6d41\u52a8\u8fd9\u4e00\u7b80\u5355\u7279\u6027\u3002\u867d\u7136\u7279\u6027\u7b80\u5355\uff0c\u5b9e\u9645\u4e0a\u4e8c\u6781\u7ba1\u5df2\u88ab\u7528\u4e8e\u591a\u79cd\u591a\u6837\u7684\u7528\u9014\uff0c\u4f8b\u5982\u7a33\u538b\u7535\u6e90\u3001\u4fdd\u62a4\u7535\u8def\u514d\u53d7\u8fc7\u7535\u538b\u5f71\u54cd\uff0c\u4ee5\u53ca\u8fdb\u884c\u4fe1\u53f7\u6574\u5f62\u548c\u6ce2\u5f62\u68c0\u6d4b\u7b49\u4f17\u591a\u573a\u666f\u3002<\/p>\n<p>\u6574\u6d41\u4e8c\u6781\u7ba1\u3001\u9f50\u7eb3\u4e8c\u6781\u7ba1\u3001\u8096\u7279\u57fa\u52bf\u5792\u4e8c\u6781\u7ba1\u3001LED\u3001\u6fc0\u5149\u4e8c\u6781\u7ba1\u7b49\u4e0d\u540c\u7684\u4ea7\u54c1\uff0c\u5b83\u4eec\u5404\u5177\u7279\u6027\u548c\u64c5\u957f\u9886\u57df\uff0c\u800c\u8fd9\u4e5f\u6b63\u662f\u4e3a\u4e86\u6ee1\u8db3\u7535\u8def\u8bbe\u8ba1\u9700\u6c42\u800c\u4e0d\u65ad\u53d1\u5c55\u8fdb\u6b65\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u901a\u8fc7\u51c6\u786e\u7406\u89e3PN\u7ed3\u7684\u673a\u5236\u3001\u6e29\u5ea6\u7279\u6027\u3001\u51fb\u7a7f\u7535\u538b\u7b49\u57fa\u672c\u6982\u5ff5\uff0c\u5e76\u6839\u636e\u5177\u4f53\u5e94\u7528\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u4e8c\u6781\u7ba1\uff0c\u53ef\u4ee5\u5728\u6291\u5236\u7535\u538b\u635f\u8017\u7684\u540c\u65f6\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u7535\u8def\u7684\u5b89\u5168\u6027\u548c\u6548\u7387\u3002<\/p>\n<p><strong>\u76f8\u5173\u6587\u7ae0<\/strong><br \/>\n<a href=\"https:\/\/techweb.rohm.co.jp\/product\/transistors-diodes\/diodes\/27631\/\">PN\u7ed3\uff08PN junction\uff09\u8be6\u89e3<\/a><br \/>\n<a href=\"https:\/\/techweb.rohm.co.jp\/product\/transistors-diodes\/diodes\/23844\/\">\u4e8c\u6781\u7ba1\u57fa\u7840 | \u57fa\u7840\u77e5\u8bc6\u5ef6\u7533 | TechWeb<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\u4e8c\u6781\u7ba1\u662f\u4e00\u79cd\u53cc\u7aef\u534a\u5bfc\u4f53\u5668\u4ef6\uff0c\u51ed\u501f\u5176\u7535\u6d41\u51e0\u4e4e\u53ea\u80fd\u5355\u5411\u6d41\u52a8\u7684\u7279\u6027\uff0c\u5728\u4f17\u591a\u7535\u5b50\u7535\u8def\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002 \u5177\u4f53\u800c\u8a00\uff0c\u6709\u5c06\u4ea4\u6d41\u7535\uff08AC\uff09\u8f6c\u6362\u4e3a\u76f4\u6d41\u7535\uff08DC\uff09\u7684\u6574\u6d41\u4e8c\u6781\u7ba1\u3001\u4ea7\u751f\u57fa\u51c6\u7535\u538b\u7684\u9f50\u7eb3\u4e8c\u6781\u7ba1\u3001\u5728\u9632\u6b62\u9006\u6d41\u7684\u540c\u65f6\u6291\u5236\u7535\u538b\u635f\u8017\u7684\u8096\u7279\u57fa [&hellip;]","protected":false},"author":4,"featured_media":30328,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2715],"tags":[],"class_list":["post-30296","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diodes-basic"],"acf":[],"wps_subtitle":"","_links":{"self":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/30296","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/comments?post=30296"}],"version-history":[{"count":7,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/30296\/revisions"}],"predecessor-version":[{"id":30357,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/30296\/revisions\/30357"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media\/30328"}],"wp:attachment":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media?parent=30296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/categories?post=30296"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/tags?post=30296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}