Part Number : 2N3904
Function : 40V,0.2A, NPN Silicon General Purpose Transistor
Package : TO-92 Type
Maker : ON Semiconductor
Pinouts : 
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage : Vcbo = 60 V
2. Collector to Emitter Voltage : Vceo = 40 V
3. Emitter to Base Voltage : Vebo = 6 V
4. Collector Current : Ic = 200 mA
5. Total Dissipation : Pc = 625 mW
6. Junction Temperature : Tj = 150°C
7. Storage Temperatue : Tsg = -55 ~ +150°C
Datasheet PDF Download : 
Others datasheet of same file :
2N3903, 2N3903RLRM, N3904, 2N3904G, 2N3904RL1