140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 MS2272 RF AND MICROWAVE TRANSISTORS AVIONICS APPLICATIONS Features • • • • • • • • 255 MHz BANDWIDTH GOLD METALLIZATION EMITTER SITE BALLASTED POUT = 350W MINIMUM GP = 7.6 dB LOW THERMAL RESISTANCE INPUT/OUTPUT MATCHING 15:1 VSWR CAPABILITY DESCRIPTION: The MS2272 avionics power transistor is a broadband, high peak pulse power device specifically designed for avionics applications requiring broad bandwidth with moderate duty cycle and pulse width constraints such as ground/ship DME/TACAN. The MS2272 is also designed for specialized applications where reduced power is provided under pulse formats utilizing short pulse widths and high burst or overall duty cycles. This device is capable of withstanding 15:1 VSWR mismatch load conditions at any phase angle under full rated conditions. ABSOLUTE MAXIMUM RATINGS (TCASE = 25° 25°C) Symbol PDISS IC VCC TJ TSTG Parameter Value Unit Power Dissipation* 940 W Device Current* 24 A Collector-Supply Voltage* 50 Junction Temperature (RF Pulsed Operation) Storage Temperature +200 °C - 65 to + 200 °C 0.16 °C/W THERMAL DATA RTH(j-c) Junction-Case Thermal Resistance* *Applies only to rated RF amplifier operation Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein Visit our website at WWW.ADVANCEDPOWER.COM or contact our factory direct. MS2272 ELECTRICAL SPECIFICATIONS (TCASE = 25°C) STATIC Symbol Test Conditions Value Min. Typ. Max. Unit BVCBO IC = 50 mA IE = 0 mA 65 ---- ---- V BVEBO IE = 15 mA IC = 0 mA 3.0 ---- ---- V BVCER IC = 50 mA RBE = 10 Ω 65 ---- ---- V ICES VCE = 50 V ---- ---- 30 mA hFE VCE = 5 V 10 ---- --- ---- IC = 5A DYNAMIC Symbol Test Conditions Value Min. Typ. Max. Unit POUT f = 960 - 1215 MHz PIN = 60 W VCC = 50 V 350 ---- ---- W ηC f = 960 - 1215 MHz PIN = 60 W VCC = 50 V 38 ---- ---- % GP f = 960 - 1215 MHz PIN = 60 W VCC = 50 V 7.6 ---- ---- dB Note: Pulse Format: 10 µS Duty Cycle: 10% IMPEDANCE DATA FREQ ZIN(Ω) ZCL(Ω) 960 MHz 2.0 + j3.6 1.7 - j2.2 1090 MHz 3.5 + j1.7 2.0 - j1.7 1215 MHz 1.6 + j0.5 1.8 - j2.0 Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein Visit our website at WWW.ADVANCEDPOWER.COM or contact our factory direct. MS2272 TEST CIRCUIT Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein Visit our website at WWW.ADVANCEDPOWER.COM or contact our factory direct. MS2272 PACKAGE MECHANICAL DATA Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein Visit our website at WWW.ADVANCEDPOWER.COM or contact our factory direct.