View sd1274-01 datasheet:

SD1274-01 RF & MICROWAVE TRANSISTORS VHF MOBILE APPLICATIONS .160 MHz .13.6 VOLTS .COMMON EMITTER .P 30 W MIN. WITH 10 dB GAIN = OUT .380 4LFL (M113) epoxy sealed ORDER CODE BRANDING SD1274-01 SD1274-1 PIN CONNECTION DESCRIPTION The SD1274-01 is a13.6 V Class C epitaxial silicon NPN planar transistor designed primarily for VHF communications. The SD1274-01 utilizes an emit- 1. Collector 3. Base ter ballasted die geometry to withstand severe load 2. Emitter 4. Emitter mismatch conditions. ABSOLUTE MAXIMUM RATINGS (T = 25°C) case Symbol Parameter Value Unit V Collector-Base Voltage 36 V CBO V Collector-Emitter Voltage 16 V CEO V Collector-Emitter Voltage 36 V CES V Emitter-Base Voltage 4.0 V EBO I Device Current 8.0 A C P Power Dissipation 70 W DISS °C T