{"id":2687,"date":"2013-10-30T08:25:00","date_gmt":"2013-10-30T00:25:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=2687"},"modified":"2020-07-27T17:23:55","modified_gmt":"2020-07-27T09:23:55","slug":"mlcc","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2013\/10\/mlcc\/","title":{"rendered":"(\u7a4d)\u591a\u5c64\u9676\u74f7\u96fb\u5bb9(MLCC)\u7684\u57fa\u672c\u539f\u7406\u8207\u5206\u985e\uff0c\u4ec0\u9ebc\u662fMLCC\uff1f"},"content":{"rendered":"

\"MLCC\u7522\u54c1\u5256\u9762\u5716\u3002\u591a\u5c64\u9676\u74f7\u96fb\u5bb9\u7684\u672c\u9ad4\u7684\u4ecb\u96fb\u9676\u74f7\u6750\u6599\u5927\u591a\u4ee5\u300c\u9226\u9178\u92c7\u300d,\u300c<\/font><\/p>\n

\uff08\u516c\u53f8\u6700\u8fd1\u78b0\u5230\u4e86\u4e00\u4e9b\u96fb\u5bb9\u7684\u554f\u984c\uff0c\u6240\u4ee5\u6536\u96c6\u4e86\u4e00\u4e9b\u95dc\u65bc\u300c\u7a4d\u5c64\u9676\u74f7\u96fb\u5bb9\u300d\u6216\u300c\u591a\u5c64\u9676\u74f7\u96fb\u5bb9\u300d(MLCC, Multi-Layer Ceramic Capacitor)\u7684\u6587\u7ae0\u3002\u9019\u662f\u4e00\u7bc7\u6574\u7406\u6587\uff0c\u5167\u6587\u5927\u91cf\u5f15\u7528\u4e86\u7db2\u8def\u4e0a\u5df2\u7d93\u6709\u7684\u4e00\u4e9b\u8cc7\u6599\uff0c\u5982\u679c\u6709\u767c\u73fe\u932f\u8aa4\u6216\u4e0d\u59a5\u7684\u5730\u65b9\u6b61\u8fce\u6307\u6b63\u3002\uff09<\/font><\/p>\n

\u4ec0\u9ebc\u662f\u96fb\u5bb9(Capacitor)\uff1f<\/font><\/strong>\u9019\u500b\u984c\u76ee\u5e7e\u4e4e\u5728\u6bcf\u500b\u4eba\u8b80\u570b\u4e2d\u6216\u9ad8\u4e2d\u6642\u61c9\u8a72\u90fd\u6709\u8b80\u904e\uff0c\u4f46\u4f60\u53ef\u80fd\u5df2\u7d93\u5168\u90e8\u90fd\u4ea4\u9084\u7d66\u4e86\u8001\u5e2b\uff0c\u641e\u4e0d\u597d\u9084\u5012\u8cbc\uff0c\u6c92\u95dc\u4fc2\uff0c\u4f86\u8907\u7fd2\u4e00\u4e0b\u3002<\/font><\/p>\n

\u96fb\u5bb9(Capacitor)<\/font><\/strong>\u57fa\u672c\u4e0a\u5c31\u662f\u53ef\u4ee5\u5132\u5b58\u96fb\u91cf\u7684\u5bb9\u5668<\/span>\uff0c\u800c\u96fb\u5bb9\u7684\u57fa\u672c\u539f\u7406\u5247\u662f\u4f7f\u7528\u5169\u7247\u4e92\u76f8\u5e73\u884c\u4f46\u672a\u63a5\u89f8\u5728\u4e00\u8d77\u4e4b\u5c0e\u96fb\u7269\u8cea(\u91d1\u5c6c)\uff0c\u4e2d\u9593\u4ee5\u7a7a\u6c23\u6216\u662f\u5176\u4ed6\u6750\u6599\u586b\u5145\u4f5c\u70ba\u7d55\u7de3\u7269\uff0c\u5c07\u5169\u7247\u91d1\u5c6c\u7684\u4e00\u7247\u63a5\u5728\u96fb\u6c60\u7684\u6b63\u6975\uff0c\u53e6\u4e00\u7247\u63a5\u5728\u8ca0\u6975\uff0c\u91d1\u5c6c\u7247\u4e0a\u5c31\u80fd\u5132\u5b58\u96fb\u8377\uff0c\u9019\u7a2e\u80fd\u5132\u5b58\u96fb\u8377\u7684\u88dd\u7f6e\u5c31\u88ab\u7a31\u4e4b\u70ba\u3010\u96fb\u5bb9\u5668\u3011\u3002<\/font><\/p>\n

<\/p>\n

\u96fb\u5bb9\u5927\u81f4\u5206\u985e\u6709\u6240\u8b02\u7684\u96fb\u89e3\u96fb\u5bb9(electrolytic capacitor)\u3001\u926d\u8cea\u96fb\u5bb9(tantalum electrolytic capacitor)\u3001\u7a4d\u5c64\u9676\u74f7\u96fb\u5bb9(Multi-Layer Ceramic Capacitor)\u7b49\u8a31\u591a\u7a2e\u985e\uff0c\u4e0d\u904e\u672c\u6587\u6700\u4e3b\u8981\u5728\u95e1\u660eMLCC(\u591a\u5c64\u9676\u74f7\u96fb\u5bb9)<\/font><\/strong>\u3002<\/font><\/p>\n

\u5982\u4e0b\u5716\u6240\u793a\uff0c\u7576\u5169\u91d1\u5c6c\u7247\u9593\u4e4b\u96fb\u4f4d\u5dee\u70ba1V\uff0c\u5132\u5b58\u4e4b\u96fb\u8377\u91cf\u70ba1\u5eab\u502b(Coulomb)\u6642\uff0c\u96fb\u5bb9\u5668\u7684\u5bb9\u91cf\u5c31\u662f1\u6cd5\u62c9\uff08Farad\uff09\uff0c\u4ee5\u516c\u5f0f\u8868\u793a\u5982\u4e0b\uff1a<\/font><\/p>\n

C = Q \/ V<\/strong><\/font><\/p>\n\n\n\n
\n

Q\uff1a\u91d1\u5c6c\u7247\u4e0a\u5132\u5b58\u7684\u96fb\u8377\u91cf\uff0c\u55ae\u4f4d\u70ba\u5eab\u502b\u3002<\/font><\/p>\n

V\uff1a\u91d1\u5c6c\u7247\u9593\u7684\u96fb\u58d3\uff0c\u55ae\u4f4d\u70ba\u4f0f\u7279\u3002<\/font><\/p>\n

C\uff1a\u96fb\u5bb9\u5668\u7684\u5bb9\u91cf\uff0c\u55ae\u4f4d\u70ba\u6cd5\u62c9\u3002<\/font><\/p>\n<\/td>\n

\n

\"\u96fb\u5bb9\u5668\u539f\u7406\"<\/font><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/font><\/p>\n

\u6240\u4ee5\u96fb\u5bb9\u5668\u7684\u5bb9\u91cf\u57fa\u672c\u4e0a\u8207\u91d1\u5c6c\u7247\u7684\u9762\u7a4d\u6210\u6b63\u6bd4\uff0c\u4f46\u662f\u8207\u5169\u91d1\u5c6c\u7247\u4e4b\u9593\u7684\u8ddd\u96e2\u6210\u53cd\u6bd4\uff0c\u4e26\u4e14\u8207\u91d1\u5c6c\u7247\u4e4b\u9593\u7684\u7d55\u7de3\u4ecb\u96fb\u8cea(dielectric)\u5e38\u6578\u6709\u95dc\u3002\u96fb\u5bb9\u53ef\u4ee5\u7528\u4e0b\u9762\u7684\u516c\u5f0f\u4f86\u8868\u793a\uff1a<\/font><\/p>\n

C = \u03b5A \/ L
<\/font><\/p>\n

(A:\u91d1\u5c6c\u7247\u7684\u96fb\u6975\u9762\u7a4d\uff1bL:\u91d1\u5c6c\u7247\u96fb\u6975\u9593\u7684\u8ddd\u96e2\uff1b\u03b5:\u96fb\u6975\u9593\u7d55\u7de3\u7269\u7684\u4ecb\u96fb\u5e38\u6578)<\/font><\/p>\n

\n

(\u7a4d)\u591a\u9676\u74f7\u96fb\u5bb9(MLCC)\u7684\u539f\u7406\uff1a<\/font><\/p>\n<\/h4>\n

\n

\u524d\u9762\u7684\u7bc7\u5e45\u8aaa\u904e\u300c\u96fb\u5bb9\u5668\u7684\u5bb9\u91cf\u8207\u91d1\u5c6c\u7247\u96fb\u6975\u7684\u9762\u7a4d\u6210\u6b63\u6bd4\u300d\uff0c\u6240\u4ee5\u5982\u4f55\u4ee5\u6700\u5c0f\u7684\u9ad4\u7a4d\uff0c\u505a\u51fa\u6700\u5927\u5132\u5b58\u96fb\u8377\u7684\u91d1\u5c6c\u9762\u7a4d\uff0c\u5c31\u53ef\u4ee5\u7528\u6700\u5c0f\u9ad4\u7a4d\u505a\u51fa\u6700\u5927\u96fb\u5bb9\u503c\u7684\u96fb\u5bb9\u3002<\/font><\/p>\n

\u800c\u591a\u5c64\u9676\u74f7\u96fb\u5bb9\uff08MLCC\uff0cM<\/font><\/u>ulti-L<\/font><\/u>ayer C<\/font><\/u>eramic C<\/font><\/u>apacitor\uff09<\/strong>\u6b63\u56e0\u70ba\u5176\u53ef\u4ee5\u5c07\u5132\u5b58\u6750\u6599\u4f5c\u6210\u68b3\u5f62(comb)\u7684\u8584\u7247\uff0c\u5b83\u6bd4\u8d77\u50b3\u7d71\u7684\u300c\u96fb\u89e3\u96fb\u5bb9\u300d\u5728\u540c\u6a23\u7684\u9ad4\u7a4d\u4e0b\uff0cMLCC\u53ef\u4ee5\u85c9\u8457\u68b3\u5f62\u8584\u7247\u7684\u7d50\u69cb\u5927\u5927\u5730\u63d0\u6607\u5176\u96fb\u5bb9\u5668\u7684\u5bb9\u91cf\uff0c\u8b93\u96fb\u5b50\u7522\u54c1\u53ef\u4ee5\u671d\u5411\u66f4\u8f15\u8584\u77ed\u5c0f\u524d\u9032\u3002<\/font><\/font><\/p>\n

MLCC\u7684\u96fb\u5bb9\u91cf\u516c\u5f0f\u53ef\u4ee5\u7528\u5982\u4e0b\u516c\u5f0f\u4f86\u8868\u793a\uff1a<\/font><\/p>\n

\"image\"<\/p>\n<\/blockquote>\n\n\n\n
\n

C : \u96fb\u5bb9\u91cf\uff0c\u4ee5 F (\u6cd5\u62c9) \u70ba\u55ae\u4f4d\uff0c\u800cMLCC \u4e4b\u96fb\u5bb9\u503c \u4ee5 PF, nF,\u548c \u00b5F \u70ba\u4e3b\u3002<\/font><\/p>\n

\u03b5\uff1a\u96fb\u6975\u9593\u7d55\u7de3\u7269\u7684\u4ecb\u8cea\u5e38\u6578\uff0c\u55ae\u4f4d\u70ba\u6cd5\u62c9\uff0f\u516c\u5c3a\u3002<\/font><\/p>\n

K : \u4ecb\u96fb\u5e38\u6578 (\u4f9d\u9676\u74f7\u7a2e\u985e\u800c\u4e0d\u540c)<\/font><\/p>\n

A : \u5c0e\u96fb\u9762\u7a4d (\u7522\u54c1\u5927\u5c0f\u53ca\u5370\u5237\u9762\u7a4d\u800c\u4e0d\u540c)<\/font><\/p>\n

D : \u4ecb\u96fb\u5c64\u539a\u5ea6 (\u8584\u5e36\u539a\u5ea6) <\/font><\/p>\n

n\uff1a\u5c64\u6578 (\u5806\u758a\u5c64\u6578)<\/font><\/p>\n<\/td>\n

\n

\"MLCC01\"<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n

MLCC\u7522\u54c1\u7684\u7a2e\u985e\u53ca\u898f\u683c\u4ecb\u7d39\uff1a<\/font><\/p>\n<\/h4>\n

    \n
  1. \n
    \u4f9d\u7167\u3010\u6eab\u5ea6\u3011\u7279\u6027\u5206\u985e\uff1a<\/font><\/strong><\/font>\u96fb\u5bb9\u503c\u96a8\u6eab\u5ea6\u8b8a\u5316\uff0c\u53ef\u5206\u70ba C0G(NP0)\u3001X7R\u3001Z5U\u3001Y5V \u7b49\u3002
    C0G<\/font><\/strong>\uff1a<\/font><\/strong>\u70baEIA\u6a19\u6e96\uff0c\u5176\u8868\u793a\u6eab\u5ea6\u5f9e -55\u00b0C\u5230125\u00b0C\u96fb\u5bb9\u503c\u8b8a\u5316(\u4ee525\u00b0C\u4e4b\u96fb\u5bb9\u503c\u70ba\u57fa\u6e96)\uff0cC0G\u70ba +\/- 30ppm\/\u00b0C\u3002
    NP0<\/font><\/strong>\uff1a<\/font><\/strong>\u70baC0G\u7684\u4e00\u822c\u5e38\u7528\u7a31\u547c\uff0cN\u70ba\u300c\u8ca0(negative)\u300d\uff0cP\u8868\u300c\u6b63(positive)\u300d\uff0c0\u8868\u300c\u96f6\u300d\uff0c\u8868\u793a\u6b64\u96fb\u5bb9\u5668\u5728\u4f7f\u7528\u6eab\u5ea6\u7bc4\u570d\u4e2d, \u5176\u96fb\u5bb9\u8b8a\u5316\u91cf\u5f88\u5c0f\u5e7e\u4e4e\u70ba\u96f6\u3002
    X7R<\/font><\/strong>\uff1a\u8868\u793a-55\u00b0C(X)\uff5e125\u00b0C(7)\uff0c\u5176\u5bb9\u91cf\u8b8a\u5316(\u4ee525\u00b0C\u70ba\u57fa\u6e96)\u5fc5\u9808\u5728 \u00b115%(R) \u4ee5\u5167\u3002
    Y5V<\/font><\/strong> : \u8868\u793a-30\u00b0C(Y) \uff5e\u5230 85\u00b0C(5)\uff0c\u5176\u5bb9\u91cf\u8b8a\u5316(\u4ee525\u00b0C\u70ba\u57fa\u6e96)\u5fc5\u9808\u5728+22\uff5e82%(V)\u4ee5\u5167\u3002
    \u4ee5\u4e0b\u662fMLCC\u7684\u6eab\u5ea6\u7279\u6027\u4ee3\u8868\u7b26\u865f\uff0c\u50c5\u4f9b\u53c3\u8003\uff1a<\/font>
    \"MLCC\u5bb9\u503c\" <\/font> <\/div>\n<\/li>\n
  2. \n
    \u4f9d\u7167MLCC\u7522\u54c1\u3010\u5c3a\u5bf8\u3011\u7684\u5927\u5c0f\u5206\u985e :<\/font><\/strong> 0402 ; 0603 ; 0805 ; 1206 \u7b49\u3002<\/font>
    \"MLCC\u5c3a\u5bf8\u5927\u5c0f\u5b9a\u7fa9\" <\/div>\n<\/li>\n
  3. \u4f9d\u7167\u3010\u96fb\u5bb9\u91cf\u3011\u4f86\u5340\u5206<\/font><\/strong>\uff1a\u5982 10 PF, 100P, 1nF, 1\u00b5F, 10\u00b5F \u7b49\u3002 <\/font><\/li>\n
  4. \n
    \u4f9d\u7167\u3010\u5de5\u4f5c\u96fb\u58d3\u3011\u5340\u5206<\/font><\/strong>\uff1a\u5982 10V, 16V, 25V, 50V, 100V, 200V, 500V, 1KV, 2KV, 3KV\u3002\u540c\u4e00\u7cfb\u5217\u7684\u7522\u54c1\uff0c\u5176\u5de5\u4f5c\u96fb\u58d3\u8d8a\u9ad8\uff0c\u5247\u5176\u4ecb\u96fb\u5c64\u539a\u5ea6\u5c31\u5fc5\u9808\u8d8a\u539a\uff0c\u76f8\u5c0d\u7684\u5176\u96fb\u5bb9\u503c\u4e5f\u5c31\u8f03\u4f4e\u3002
    \u4f8b\u5982\uff1aY5V\/0603\/100nF\u7522\u54c1\u5176\u5de5\u4f5c\u96fb\u58d3\u53ef\u905425V(\u5806\u758a\u5c64\u6578\uff1a\u7d0420 \u5c64\uff0c\u4ecb\u96fb\u5c64\u539a\uff1a12\u00b5m)\uff1bY5V\/0603\/1\u00b5F\u7522\u54c1\u5176\u5de5\u4f5c\u96fb\u58d3\u53ea\u670910V(\u5806\u758a\u5c64\u6578\uff1a\u7d0476\u5c64\uff0c \u4ecb\u96fb\u5c64\u539a\uff1a7\u00b5m) \u3002 <\/font><\/div>\n<\/li>\n
  5. \n
    \u4f9d\u7167\u3010\u5bb9\u503c\u5141\u5dee\u3011\u5340\u5206<\/font><\/strong>\uff1a\u5982 \u00b10.1pF(B\u503c)\u3001\u00b10.25pF(C\u503c)\u3001\u00b10.5pF(D\u503c)\u3001\u00b11%(F\u503c)\u3001\u00b12%(G\u503c)\u3001\u00b15%(J\u503c)\u3001\u00b110%(K\u503c)\u3001\u00b120%(M\u503c)\u3001-20%\uff5e+80%(Z\u503c)\u3002<\/font> <\/div>\n<\/li>\n<\/ol>\n
    \n

    \u6240\u4ee5\uff0c\u4e00\u500b\u5b8c\u6574\u7684 MLCC \u7522\u54c1\u5728\u898f\u683c\u63cf\u8ff0\u4e0a\u81f3\u5c11\u5fc5\u9808\u5305\u62ec\u4ee5\u4e0a\u7684\u5168\u90e8\u7279\u6027\u3002
    \u4f8b\u5982 \uff1a\u300a NP0\/0603\/100PF\/J\/50V\u300b
    \u8868\u793a\u6b64\u7522\u54c1\u7684\u898f\u683c\u70ba : NP0\u6750\u8cea\u30010603\u5c3a\u5bf8\u3001100PF\u5bb9\u503c\u3001\u5bb9\u503c\u5141\u5dee\u70ba\u00b15%\u3001\u8010\u58d3\u70ba50V\u3002<\/font><\/p>\n<\/blockquote>\n

    \n

    MLCC\u7684\u88fd\u9020\u6d41\u7a0b\uff1a<\/font><\/p>\n<\/h4>\n

    \n

    MLCC\u672c\u9ad4\u7684\u4ecb\u96fb\u6750\u6599\uff0c\u4ee5\u9226\u9178\u92c7\u3001\u6c27\u5316\u9226\u3001\u9226\u9178\u9382\u3001\u9226\u9178\u9376\u2026\u7b49\u70ba\u4e3b\uff0c\u4f9d\u64da\u7522\u54c1\u7684\u7a2e\u985e(NP0, X7R, Y5V)\u6703\u6c7a\u5b9a\u4e0d\u540c\u7684\u71d2\u7d50\u6eab\u5ea6\u8207\u71d2\u7d50\u6c23\u6c1b\u3002<\/font><\/font><\/p>\n

    MLCC\u5167\u3001\u5916\u96fb\u6975\u6750\u6599\u5217\u8868\uff1a<\/font><\/p>\n

    \"MLCC\u5167\u5916\u96fb\u6975\u6750\u6599\"<\/font><\/p>\n

    \u4e00\u3001\u539a\u819c\u7a4d\u5c64\u6280\u8853 : <\/font><\/p>\n