140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 MS2421 RF & MICROWAVE TRANSISTORS AVIONICS APPLICATIONS Features • • • • • • • • • • • DESIGNED FOR HIGH POWER PULSED IFF, DME, AND TACAN APPLICATIONS 350 W (typ.) IFF 1030 – 1090 MHz 300 W (min.) DME 1025 – 1150 MHz 290 W (typ.) TACAN 960 – 1215 MHz 960 – 1215 MHz GOLD METALLIZATION POUT = 300W MINIMUM GP = 6.3 dB MINIMUM INFINITE VSWR CAPABILITY @ RATED CONDITIONS EMITTER BALLASTED COMMON BASE DESCRIPTION: The MS2421 is a gold metallized silicon, NPN power transistor designed for applications requiring high peak power and low duty cycles such as IFF, DME, and TACAN. The MS2421 is designed with internal input/output matching resulting in improved broadband performance and low thermal resistance. ABSOLUTE MAXIMUM RATINGS (Tcase = 25°° C) Symbol Parameter Value Unit PDISS Power Dissipation 875 W VCES Collector-Emitter Voltage 65 V VCBO Collector-Base Voltage 65 V VEBO Emitter-Base Voltage 3.5 V TJ Junction Temperature 200 ºC IC Device Current 22 A -65 to +200 ºC 0.20 ° C/W T STG Storage Temperature Thermal Data RTH(J-C) Junction-case Thermal Resistance 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. 140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 MS2421 ELECTRICAL SPECIFICATIONS (Tcase = 25° 25° C) STATIC Symbol Value Test Conditions Min. Typ. Max. Unit BVCBO IC = 10 mA IE = 0 mA 65 --- --- V BVEBO IE = 5.0 mA IC = 0 mA 3.5 --- --- V ICES VCE = 50 V --- --- 25 mA HFE VCE = 5 V 10 --- 200 mA IC= 500mA DYNAMIC Symbol Value Test Conditions Min. Typ. Max. Unit POUT f =1025 - 1150 MHz PIN = 70W VCE =50V 300 --- --- W GP f =1025 - 1150 MHz PIN = 70W VCE =50V 6.3 --- --- dB ηC f =1025 - 1150 MHz PIN = 70W VCE =50V 35 --- --- % Conditions Pulse Width = 10 µ s Duty Cycle = 1% IMPEDANCE DATA FREQ ZIN(Ω) ZCL(Ω) 960 MHz 2.6 + j6.0 2.5 – j6.0 1090 MHz 7.4 + j4.4 2.4 – j6.2 1215 MHz 4.3 + j1.1 2.5 – j4.9 Pin = 70W Vce = 50V 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. 140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 MS2421 TYPICAL PERFORMANCE IMPEDANCE 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. 140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 MS2421 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. 140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 MS2421 PACKAGE MECHANICAL 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.