Part Number : 2SA155
Function : Germanium PNP Transistor RF–IF Amp, FM Mixer OSC
Maker : NEC
Pinouts : 
Description :
PNP Transistor
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage : Vcbo = - 15 V
2. Emitter to Base Voltage : Vebo = - 0.5 V
3. Collector Current : Ic = - 4 mA
4. Total Dissipation : Pc = 20 mW
5. Junction Temperature : Tj = 65°C
6. Storage Temperatue : Tsg = -55 ~ +75°C
Others datasheet of same file : A155, 2SA155D, NTE160