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SD1489 Datasheet(PDF) 1 Page - STMicroelectronics |
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SD1489 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 5 page TV/LINEAR APPLICATIONS RF & MICROWAVE TRANSISTORS . 438 x .450 2LFL (M173) epoxy sealed . 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 . POUT = 50 W MIN. WITH 6.5 dB GAIN 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. PIN CONNECTION BRANDING SD1489 ORDER CODE SD1489 ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C) Symbol Parameter Value Uni t VCBO Collector-Base Voltage 45 V VCEO Collector-Emitter Voltage 30 V VEBO Emitter-Base Voltage 3.0 V IC Device Current 8 A PDISS Power Dissipation 175 W TJ Junction Temperature +200 °C TSTG Storage Temperature − 65 to +150 °C RTH(j-c) Junction-Case Thermal Resistance 1.0 °C/W SD1489 1. Collector 3. Emitter 2. Base THERMAL DATA November 1992 1/5 |
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