Part Number : C3127
Function : 20V, 50mA, NPN Transistor
Package : MPAK
Maker : Hitachi , Renesas Electronics
Pinouts : 
Description :
Silicon NPN Epitaxial Transistor
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage : Vcbo = 20 V
2. Collector to Emitter Voltage : Vceo = 12 V
3. Emitter to Base Voltage : Vebo = 3 V
4. Collector Current : Ic = 50 mA
5. Total Dissipation : Pc = 150 mW
6. Junction Temperature : Tj = 150°C
7. Storage Temperatue : Tsg = -55 ~ +150°C
Applications :
1. UHF / VHF wide band amplifier
Datasheet PDF Download : 
Others datasheet of same file :
2SC3127, 2SC3128, 2SC3510, C3128