标题: PTC的一个失效测试 [打印本页] 作者: yin168 时间: 2011-12-26 20:11 标题: PTC的一个失效测试 Force PTC break up, assemble the PTC back in the doorlock, then connect the doorlock in the circuit and connect a 10A fuse in series. Drop the doorlock from 1m height for 100 times, if the fuse can’t work in the dropping test, the test is passed; otherwise it is failed.