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SD1274 - RF & MICROWAVE TRANSISTORS

General Description

The SD1274 is a 13.6 V Class C epitaxial silicon NPN planar transistor designed primarily for VHF communications.

The SD1274 utilizes an emitter ballasted die geometry to withstand severe load mismatch conditions.

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SD1274 RF & MICROWAVE TRANSISTORS VHF MOBILE APPLICATIONS ....160 MHz 13.6 VOLTS COMMON EMITTER POUT = 30 W MIN. WITH 10 dB GAIN .380 4L STUD (M135) epoxy sealed ORDER CODE B RA ND IN G SD1274 SD1274 PIN CONNECTION DESCRIPTION The SD1274 is a 13.6 V Class C epitaxial silicon NPN planar transistor designed primarily for VHF communications. The SD1274 utilizes an emitter ballasted die geometry to withstand severe load mismatch conditions. ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C) Symb ol Parameter VCBO Collector-Base Voltage VCEO Collector-Emitter Voltage VCES Collector-Emitter Voltage VEBO Emitter-Base Voltage IC Device Current PDISS TJ Power Dissipation Junction Temperature TSTG Storage Temperature THERMAL DATA RTH(j-c) Junction-Case Thermal Resistance June 1993 1.