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SD1731-14 (ST448)
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 = 250 W PEP WITH 12 dB GAIN
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50 0 4LF L (M17 4 ) epoxy sealed O R DE R CODE SD1731-14 BRANDING ST448
PIN CONNECTION
DESCRIPTION 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)
Symbol Parameter Value Un it
1.
Collector 2.
Emitter
3.
Base 4.
Emitter
VCBO VCEO VEBO IC PDISS TJ TSTG
Collector-Base Voltage Coll...