KSE170/171/172 KSE170/171/172 Low Power Audio Amp.
Fairchild Semiconductor
KSE172 - PNP Epitaxial Silicon Transistor
KSE170/171/172 KSE170/171/172 Low Power Audio Amplifier Low Current, High Speed Switching Applications 1 TO-126 2.Collector 3.Base PNP Epitaxial S.