KST5550MTF
Manufacturers：
Fairchild Semiconductor
Description：
TRANS NPN 140V 0.6A SOT-23
KST5551MTF
Manufacturers：
Fairchild Semiconductor
Description：
TRANS NPN 160V 0.6A SOT-23
KST55MTF
Manufacturers：
Fairchild Semiconductor
Description：
TRANS PNP 60V 0.5A SOT-23
