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SD1489
RF & MICROWAVE TRANSISTORS TV/LINEAR APPLICATIONS
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470 - 860 MHz 28 VOLTS CLASS AB PUSH PULL DESIGNED FOR HIGH POWER LINEAR OPERATION HIGH SATURATED POWER CAPABILITY GOLD METALLIZATION DIFFUSED EMITTER BALLAST RESISTORS COMMON EMITTER CONFIGURATION INTERNAL INPUT MATCHING P OUT = 50 W MIN. WITH 6.5 dB GAIN
.438 x .450 2LFL (M173) epoxy sealed ORDER CODE SD1489 BRANDING SD1489
PIN CONNECTION
DESCRIPTION The SD1489 is a gold metallized epitaxial silicon NPN planar transistor using diffused emitter ballast resistors for high linearity Class AB operation in UHF and Band IV, V television transmitters and transposers. ABSOLUTE MAXIMUM RATINGS (T case = 25 ° C)
Symbol Parameter Value Unit
1. Collector 2. Base
3.