我测试过钽电容,几百个‌KEMET‌牌子的钽电容并联后,接入一个自动无限循环的充放电电路,测试结果是真的会炸!而且炸完还是短路状态。几百个电容不是同时炸,是随机出现一个,之后我们公司就放弃使用钽电容了


439 25-08-31 20:51


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Fatal error: Uncaught PDOException: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '' for key 'user_token' in /home/wwwroot/17bb2023/web/system/application/pdo.class.php:46 Stack trace: #0 /home/wwwroot/17bb2023/web/system/application/pdo.class.php(46): PDO->query('INSERT INTO n4u...') #1 /home/wwwroot/17bb2023/web/system/application/session.class.php(61): n4u\application\pdo\pdo_mysql->query('INSERT INTO n4u...') #2 [internal function]: n4u\application\n4u_session\N4u_session->write('8m31d924oj0ngl1...', 'forum_user_grou...') #3 /home/wwwroot/17bb2023/web/system/application/session.class.php(114): session_write_close() #4 [internal function]: n4u\application\n4u_session\N4u_session->__destruct() #5 {main} thrown in /home/wwwroot/17bb2023/web/system/application/pdo.class.php on line 46