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油封高压骨架AP
LE80537LF0214M芯片UC3842BLE80539
UC3842B3842B
现货KA3842B全新一个
KA3842BKA38428DIP
贴片调制芯片UC3842AN
芯片液晶电源常用
油封骨架原装AP3744K
油封高压骨架AP3842H