2SA1972(TE6,F,M)
Manufacturers：
Toshiba Semiconductor & Storage
Description：
TRANS PNP 400V 0.5A LSTM
2SA1977-A
Manufacturers：
CEL (California Eastern Laboratories)
Description：
TRANS RF PNP 12V 0.05A SOT-23
2SA1977-T1B-A
Manufacturers：
CEL (California Eastern Laboratories)
Description：
RF TRANSISTOR PNP SOT-23
2SA1978-A
Manufacturers：
CEL (California Eastern Laboratories)
Description：
RF TRANSISTOR PNP SOT-23
2SA1978-T1B-A
Manufacturers：
CEL (California Eastern Laboratories)
Description：
RF TRANSISTOR PNP SOT-23