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| 140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 MS2208 RF & MICROWAVE TRANSISTORS AVIONICS APPLICATION Features * * * * * HERMETIC METAL/CERAMIC PACKAGE LOW THERMAL RESISTANCE 10:1 LOAD VSWR CAPABILITY BALLASTED OVERLAY GEOMETRY COMMON EMITTER CONFIGURATION DESCRIPTION: THE MS2208 DEVICE IS A HIGH POWER CLASS C TRANSISTOR SPECIFICALLY DESIGNED FOR L-BAND AVIONIC APPLICATIONS INVOLVING HIGH PULSE BURST DUTY CYCLES. THE DEVICE IS CAPABLE OF OPERATION OVER A WIDE RANGE OF PULSE WIDTHS, DUTY CYCLES AND TEMPERATURES. ABSOLUTE MAXIMUM RATINGS (Tcase = 25C) Symbol PDISS IC VCC TJ T STG Parameter Power Dissipation* (TC100C) Device Current * Collector Supply Voltage* Junction Temperature Storage Temperature Value 1360 27 55 250 -65 to +200 Unit W A V C C Thermal Data RTH(J-C) Junction - Case Thermal Resistance *Applies only to rated RF amplifier operation 0.11 C/W MSC0926.PDF 10-09-98 MS2208 ELECTRICAL SPECIFICATIONS (Tcase = 25C) (Tcase 25 STATIC Symbol Bvebo Bvcbo Bvces Ices HFE IE = 30 mA IC = 50 mA IC = 50 mA VBE = 50 mA VCE = 5.0 V Test Conditions Min. IC=0 mA IC=0 mA VBE=0 V VCE=50 V IC=1 A 3.0 70 70 --10 Value Typ. ----------- Max. ------40 200 Unit V V V mA B DYNAMIC Symbol Pout c GP Load Mismatch Conditions Test Conditions Min. Pin = 70W Pout Pout f=1090 MHz f=1090 MHz f=1090 MHz VCC=50V VCC=50V VCC=50V 500 40 8.5 Value Typ. ------- Max. ------- Unit W % dB Pout =500W Peak f=1090 MHz, Vcc=50V, VSWR=10:1, 10sec, 1% Duty, VSWR=5:1, 32sec, 2% Duty Pulse width=32sec, Duty Cycle= 2% IMPEDANCE DATA FREQ 1030 MHz 1090 MHz 1120 MHz PIN=70W ZIN() ) 4.35+ j 6.97 4.38+ j 2.75 4.69+ j 2.95 VCC=50V ZCL() ) 1.38- j 4.08 0.874- j 3.55 1.3- j 4.97 MSC0926.PDF 10-09-98 MS2208 PACKAGE MECHANICAL DATA MSC0926.PDF 10-09-98 |
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