{"id":17081,"date":"2024-09-14T15:52:34","date_gmt":"2024-09-14T07:52:34","guid":{"rendered":"http:\/\/www.szryc.com\/?p=17081"},"modified":"2024-09-19T10:59:23","modified_gmt":"2024-09-19T02:59:23","slug":"bzx84c24v-24v-sot-23%e5%b0%81%e8%a3%85%e7%a8%b3%e5%8e%8b%e7%ae%a1-%e8%af%a6%e7%bb%86%e5%8f%82%e6%95%b0%e5%92%8c%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=17081","title":{"rendered":"BZX84C24V 24V SOT-23\u5c01\u88c5\u7a33\u538b\u7ba1  \u8be6\u7ec6\u53c2\u6570\u548c\u5e94\u7528"},"content":{"rendered":"<p>BZX84C24V \u662f\u4e00\u79cd\u5e38\u7528\u7684 SMD \u9f50\u7eb3\u4e8c\u6781\u7ba1\uff0c\u4e5f\u79f0\u4e3a\u7a33\u538b\u4e8c\u6781\u7ba1\uff0c\u8bbe\u8ba1\u7528\u4e8e\u63d0\u4f9b\u7a33\u5b9a\u7684\u53c2\u8003\u7535\u538b\u3002\u8fd9\u91cc\u662f BZX84C24V \u7684\u8be6\u7ec6\u53c2\u6570\uff1a<\/p>\n<p>### 1. \u9f50\u7eb3\u7535\u538b (\\( V_Z \\))<\/p>\n<p>- **\u6807\u79f0\u9f50\u7eb3\u7535\u538b**\uff1a24V<br \/>\n- **\u6d4b\u91cf\u6761\u4ef6**\uff1a\u5728 5mA \u7535\u6d41\u4e0b\u6d4b\u91cf<\/p>\n<p>### 2. \u9f50\u7eb3\u7535\u538b\u516c\u5dee<\/p>\n<p>- **\u516c\u5dee\u8303\u56f4**\uff1a\u00b15%<\/p>\n<p>### 3. \u529f\u8017 (\\( P_D \\))<\/p>\n<p>- **\u6700\u5927\u529f\u8017**\uff1a300mW\uff08\u5728 25\u00b0C \u73af\u5883\u6e29\u5ea6\u4e0b\uff09<\/p>\n<p>### 4. \u6b63\u5411\u7535\u538b (\\( V_F \\))<\/p>\n<p>- **\u6b63\u5411\u7535\u538b**\uff1a\u6700\u5927\u503c 0.9V\uff08\u5728 10mA \u6b63\u5411\u7535\u6d41\u4e0b\uff09<\/p>\n<p>### 5. \u52a8\u6001\u7535\u963b (\\( R_Z \\))<\/p>\n<p>- **\u5178\u578b\u503c**\uff1a25\u03a9<br \/>\n- **\u6700\u5927\u503c**\uff1a80\u03a9\uff08\u5728 1mA \u5230 20mA \u7535\u6d41\u8303\u56f4\u5185\u6d4b\u91cf\uff09<\/p>\n<p>### 6. \u53cd\u5411\u6f0f\u7535\u6d41 (\\( I_R \\))<\/p>\n<p>- **\u6700\u5927\u503c**\uff1a0.1\u03bcA\uff08\u5728 20V \u65f6\uff09<\/p>\n<p>### 7. \u9f50\u7eb3\u7535\u6d41 (\\( I_Z \\))<\/p>\n<p>- **\u6d4b\u8bd5\u7535\u6d41**\uff1a5mA\uff08\u5bf9\u5e94\u9f50\u7eb3\u7535\u538b\u4e3a24V\u7684\u6d4b\u91cf\u6761\u4ef6\uff09<\/p>\n<p>### 8. \u6e29\u5ea6\u7cfb\u6570<\/p>\n<p>- **\u6e29\u5ea6\u7cfb\u6570**\uff1a\u7ea6 +0.095%\/K<\/p>\n<p>### 9. \u5c01\u88c5<\/p>\n<p>- **\u5c01\u88c5\u5f62\u5f0f**\uff1aSOT-23<\/p>\n<p>### \u53c2\u6570\u8868\u901f\u89c8<\/p>\n<p>| \u53c2\u6570 | \u6570\u503c |<br \/>\n|----------------------------|---------------------------|<br \/>\n| \u9f50\u7eb3\u7535\u538b (\\( V_Z \\)) | 24V |<br \/>\n| \u9f50\u7eb3\u7535\u538b\u516c\u5dee | \u00b15% |<br \/>\n| \u6d4b\u8bd5\u7535\u6d41 (\\( I_Z \\)) | 5mA |<br \/>\n| \u529f\u8017 (\\( P_D \\)) | 300mW |<br \/>\n| \u6b63\u5411\u7535\u538b (\\( V_F \\)) | \u6700\u5927 0.9V\uff08\u5728 10mA\uff09 |<br \/>\n| \u52a8\u6001\u7535\u963b (\\( R_Z \\)) | \u5178\u578b 25\u03a9\uff0c\u6700\u5927 80\u03a9 |<br \/>\n| \u53cd\u5411\u6f0f\u7535\u6d41 (\\( I_R \\)) | \u6700\u5927 0.1\u03bcA\uff08\u5728 20V\uff09 |<br \/>\n| \u6e29\u5ea6\u7cfb\u6570 | +0.095%\/K |<br \/>\n| \u5c01\u88c5 | SOT-23 |<\/p>\n<p>### \u5e94\u7528\u793a\u4f8b<\/p>\n<p>BZX84C24V \u53ef\u4ee5\u5728\u591a\u79cd\u7535\u8def\u4e2d\u5e94\u7528\uff0c\u4e3b\u8981\u7528\u4e8e\u7535\u538b\u57fa\u51c6\u548c\u8fc7\u538b\u4fdd\u62a4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5e94\u7528\u793a\u4f8b\uff1a<\/p>\n<p>#### \u7a33\u538b\u7535\u8def<\/p>\n<p>```plaintext<br \/>\nVin ----&gt; R ----&gt; BZX84C24V ----&gt; GND<br \/>\n|<br \/>\n+-----&gt; \u8f93\u51fa\u7a33\u5b9a 24V \u7535\u538b<br \/>\n```<\/p>\n<p>\u5728\u8fd9\u4e2a\u7535\u8def\u4e2d\uff0c\u7535\u963b \\( R \\) \u7528\u4e8e\u9650\u5236\u6d41\u7ecf\u9f50\u7eb3\u4e8c\u6781\u7ba1\u7684\u7535\u6d41\uff0c\u786e\u4fdd\u5b83\u5de5\u4f5c\u5728\u5176\u6b63\u5e38\u7684\u7a33\u538b\u533a\u57df\u3002\u4e0b\u9762\u662f\u8ba1\u7b97\u7535\u963b \\( R \\) \u7684\u6b65\u9aa4\uff1a<\/p>\n<p>1. **\u8f93\u5165\u7535\u538b (\\( V_{in} \\))**\uff1a\u5047\u8bbe\u8f93\u5165\u7535\u538b\u4e3a 30V\u3002<br \/>\n2. **\u9f50\u7eb3\u7535\u538b (\\( V_Z \\))**\uff1a24V\u3002<br \/>\n3. **\u671f\u671b\u7684\u7535\u6d41 (\\( I_Z \\))**\uff1a\u5047\u8bbe\u4e3a 10mA\uff08\u5177\u4f53\u7535\u6d41\u6839\u636e\u8bbe\u8ba1\u9700\u6c42\u51b3\u5b9a\uff09\u3002<\/p>\n<p>\u6839\u636e\u6b27\u59c6\u5b9a\u5f8b\uff0c \\( R \\) \u53ef\u4ee5\u8ba1\u7b97\u4e3a\uff1a<\/p>\n<p>\\[ R = \\frac{V_{in} - V_Z}{I_Z} = \\frac{30V - 24V}{10mA} = 600\\Omega \\]<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5e94\u8be5\u9009\u62e9\u5177\u6709\u9002\u5f53\u529f\u7387\u989d\u5b9a\u503c\u7684\u7535\u963b\uff0c\u4ee5\u786e\u4fdd\u5176\u80fd\u591f\u5904\u7406\u6d41\u8fc7\u7535\u963b\u7684\u529f\u8017\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u529f\u8017\u4e3a\uff1a<\/p>\n<p>\\[ P_R = (V_{in} - V_Z) \\times I_Z = (30V - 24V) \\times 10mA = 60mW \\]<\/p>\n<p>\u5e94\u9009\u62e9\u529f\u7387\u989d\u5b9a\u503c\u81f3\u5c11\u4e3a 0.125W \u6216\u66f4\u9ad8\u7684\u7535\u963b\uff0c\u4ee5\u4fdd\u8bc1\u5176\u957f\u671f\u53ef\u9760\u6027\u3002<\/p>\n<h3>\u5e94\u7528\u573a\u666f<\/h3>\n<p dir=\"auto\">BZX84C24V \u5e7f\u6cdb\u7528\u4e8e\u4ee5\u4e0b\u573a\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u7535\u538b\u7a33\u5b9a\u548c\u8c03\u8282<\/strong>\uff1a\n<ul>\n<li>\u4f5c\u4e3a\u7a33\u538b\u5668\u7684\u4e3b\u8981\u82af\u7247\uff0c\u63d0\u4f9b\u7a33\u5b9a\u7684\u53c2\u8003\u7535\u538b\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8fc7\u538b\u4fdd\u62a4<\/strong>\uff1a\n<ul>\n<li>\u7528\u4e8e\u4fdd\u62a4\u654f\u611f\u7535\u8def\u514d\u53d7\u8fc7\u7535\u538b\u7684\u5f71\u54cd\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4fe1\u53f7\u94b3\u4f4d<\/strong>\uff1a\n<ul>\n<li>\u7528\u4e8e\u5728\u6570\u636e\u4f20\u8f93\u7ebf\u8def\u4e2d\u94b3\u5236\u4fe1\u53f7\uff0c\u4ee5\u9632\u6b62\u4fe1\u53f7\u7535\u5e73\u8d85\u8fc7\u5b89\u5168\u8303\u56f4\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4f4e\u529f\u8017\u7535\u8def<\/strong>\uff1a\n<ul>\n<li>\u7531\u4e8e\u5176\u8f83\u4f4e\u7684\u529f\u8017\u7279\u6027\uff0c\u975e\u5e38\u9002\u5408\u7528\u4e8e\u4f4e\u529f\u8017\u5e94\u7528\u4e2d\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u7535\u8def\u8fde\u63a5\u793a\u4f8b<\/h3>\n<p>\u603b\u7ed3\uff1aBZX84C24V \u662f\u4e00\u6b3e\u9ad8\u6548\u3001\u53ef\u9760\u7684\u7a33\u538b\u4e8c\u6781\u7ba1\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u7535\u538b\u8c03\u8282\u548c\u4fdd\u62a4\u7535\u8def\u3002\u5176\u8be6\u7ec6\u7684\u7535\u6c14\u53c2\u6570\u786e\u4fdd\u4e86\u5728\u8bbe\u8ba1\u548c\u5e94\u7528\u4e2d\u53ef\u4ee5\u7cbe\u786e\u5730\u5b9e\u73b0\u6240\u9700\u7684\u7a33\u538b\u6548\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>BZX84C24V \u662f\u4e00\u79cd\u5e38\u7528\u7684 SMD \u9f50\u7eb3\u4e8c\u6781\u7ba1\uff0c\u4e5f\u79f0\u4e3a\u7a33\u538b\u4e8c\u6781\u7ba1\uff0c\u8bbe\u8ba1\u7528\u4e8e\u63d0\u4f9b\u7a33\u5b9a\u7684\u53c2\u8003\u7535\u538b\u3002\u8fd9\u91cc\u662f B [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/17081"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17081"}],"version-history":[{"count":1,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/17081\/revisions"}],"predecessor-version":[{"id":17083,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/17081\/revisions\/17083"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17081"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17081"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}