SD1455

SD1455 RF & MICROWAVE TRANSISTORS TV/LINEAR APPLICATIONS 170 - 230 MHz 25 VOLTS IMD − 55dB COMMON EMITTER GOLD METALLIZATION HIGH SATURATED POWER CAPABILITY DIFFUSED EMITTER BALLAST www.DataSheet4U.com RESISTORS DESIGNED FOR HIGH POWER LINEAR OPERATION P OUT = 20 W MIN. WITH 8.0 dB GAIN . . . . . . . . . .500 4L STUD (M130) epoxy sealed ORDER CODE SD1455 BRANDING SD1455 PIN CONNECTION DESCRIPTION The SD1455 is a gold metallized epitaxial silicon NPN planar transistor using diffused emitter ballast resistors for high linearity Class A operation in VHF and Band III television transmitters and transposers. ABSOLUTE MAXIMUM RATINGS (T case = 25 ° C) Symbol Parameter Value Unit 1. Collector 2. Emitter 3. Base 4. Emitter VCEO VCES VEBO IC PDISS TJ T STG Collector-Emitter Voltage Collector-Emitter Voltage Emitter-Base Voltage Device Current Power Dissipation Junction Temperature Storage Temperature 35 60 4.0 8.0 140 +200 − 65 to +150 V V V A W °C °C THERMAL DATA RTH(j-c) Junction-Case Thermal Resistance July 1993 1.5 °C/W 1/4 SD1455 ELECTRICAL SPECIFICATIONS (T case = 25 ° C) STATIC Symbol Test Conditions Value Min. Typ. Max. Unit BVCBO BVCER BVCEO BVEBO ICES hFE DYNAMIC www.DataSheet4U.com IC = 50 mA IC = 50 mA IC = 50 mA IE = 10 mA VCE = 50 V VCE = 5 V IE = 0 mA RBE = 10 Ω IB = 0 mA IC = 0 mA VBE = 0 V IC = 1 A 65 60 35 4.0 — 20 — — — — — — — — — — 5 120 V V V V mA — Symbol Test Conditions Value Min. Typ. Max. Unit POUT GP IMD3* COB Note: f = 225 MHz f =...