ST448 applications equivalent, rf & microwave transistors hf ssb applications.
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PRELIMINARY DATA OPTIMIZED FOR SSB 30 MHz 50 VOLTS EFFICIENCY 40% COMMON EMITTER GOLD METALLIZATION POUT.
The SD1731 is a 50 V epitaxial silicon NPN planar transistor designed primarily for SSB communications. This device utilizes emitter ballasting for improved ruggedness and reliability. ABSOLUTE MAXIMUM RATINGS (T case = 25° C)
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