Part Number : SD1274
Function : RF POWER BIPOLAR TRANSISTOR
Maker : STMicroelectronics
Pinouts : 
Description :
The SD1274-01 is a 13.6 V Class C epitaxial silicon NPN planar transistor designed primarily for
VHF communications. The SD1274-01 utilizes an emitter ballasted die geometry to withstand severe load mismatch conditions.
Features
1. 160 MHz
2. 13.6 VOLTS
3. COMMON EMITTER
4. POUT= 30 W MIN. WITH 10 dB GAIN
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage : Vcbo = 36 V
2. Collector to Emitter Voltage : Vceo = 16 V
3. Emitter to Base Voltage : Vebo = 4 V
4. Collector Current : Ic = 8 A
5. Total Dissipation : Pc = 70 W
6. Junction Temperature : Tj = 150°C
7. Storage Temperatue : Tsg = -55 ~ +150°C
Datasheet PDF Download : 
Others datasheet of same file : SD-1274, SD1274-01