MS1251

140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 MS1251 RF & MICROWAVE TRANSISTORS VHF MOBILE APPLICATIONS Features F eatures • • • • • • • 175 MHz 12.5 VOLTS POUT = 45 WATTS GP = 6.5 dB MINIMUM INPUT MATCHED COMMON EMITTER CONFIGURATION VSWR = 20:1 DESCRIPTION: D ESCRIPTION: The MS1251 is an epitaxial silicon NPN planar transistor designed primarily for 12.5 V, Class C VHF communications. This device utilizes diffused emitter resistors to achieve 20:1 VSWR capability at rated operating conditions. ABSOLUTE MAXIMUM RATINGS (Tcase = 25° C) A BSOLUTE Symbol VCBO VCEO VCES VEBO IC PDISS TJ T STG Parameter Collector - Base Voltage Collector - Emitter Voltage Collector - Emitter Voltage Emitter - Base Voltage Device Current Power Dissipation Junction Temperature Storage Temperature Value 36 18 36 4.0 6.0 145 +200 -65 to +150 Unit V V V V A W °C °C Thermal Data Thermal RTH(J-C) Junction-Case Thermal Resistance 1.2 ° C/W 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. MS1251 STATIC S TATIC ELECTRICAL SPECIFICATIONS (Tcase = 25 ° C) E LECTRICAL Symbol BVCBO BVCES BVCEO BVEBO ICES HFE IC = 50 mA IC = 50 mA IC = 50 mA IE = 10 mA VCE = 15 V VCE = 5 V Test Conditions IE = 0 mA VBE = 0 V IB = 0 mA IC = 0 mA IE = 0 mA IC = 5 A Value Min. 36 36 18 4.0 --20 Typ. ------------- Max. --------5 200 Unit V V V V mA --- DYNAMIC DYNAMIC Symbol POUT GP ηC COB Test Conditions f = 138 - 175 MHz f = 138 - 175 MHz f = 138 - 175 MHz f =1 MHz PIN = 10 W PIN = 10 W PIN = 10 W VCB = 12.5 V VCE = 12.5 V VCE = 12.5 V VCE = 12.5 V Value Min. 45 6.5 50 --- Typ. --------- Max. ------135 Unit W dB % pF IMPEDANCE DATA IMPEDANCE FREQ 175 MHz PIN = 10 W VCE = 12.5 V ZIN(Ω) 1.38 + j0.44 ZCL(Ω) 1.70 + j0.48 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. MS1251 TYPICAL PERFORMANCE T YPICAL 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. MS1251 TYPICAL PERFORMANCE (CONTINUED) T YPICAL (CONTINUED) 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. MS1251 TEST CIRCUIT T EST 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. MS1251 PACKAGE MECHANICAL DATA PACKAGE 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.