SD1457 transistors equivalent, rf & microwave transistors.
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108 MHz 28 VOLTS EFFICIENCY 75% COMMON EMITTER GOLD METALLIZATION P OUT = 75 W MIN. WITH 10.0 dB GAIN
.500.
The SD1457 is a 28 V gold metallized epitaxial silicon NPN planar transistor designed for FM VHF broadcast transmitters. This device utlizes diffused emitter resistors to achieve infinite VSWR at rated operating conditions. ABSOLUTE MAXIMUM RATINGS (.
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