PHPWIND
HELLOCQ
UID:48121
UID:22300
UID:48261
UID:2198
UID:1224
UID:5944
UID:12919
UID:44037
UID:1932
UID:22
78xx的安全电流为1a,1.5a是保护电流。
UID:1271
对比实验,同样是to-220封装,标称1.5a电流,12v蓄电池输入,直接短路输出:国半lm7805,取消短路后输出电压恢复,国产cw7805短路瞬间直接爆炸……