UMIL 25 25 Watts, 28 Volts, Class AB Defcom 225 - 400 MHz GENERAL DESCRIPTION The UMIL 25 is an input matched COMMON EMITTER broadband transistor specifically intended for use in the 225-400 MHz frequency band. It may be operated in Class AB or C. Gold metallization and silicon diffused resistors ensure ruggedness and high reliability. CASE OUTLINE 55HV, Style 2 ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation @ 25oC 70 Watts Maximum Voltage and Current BVces BVebo Ic Collector to Emitter Voltage Emitter to Base Voltage Collector Current Maximum Temperatures Storage Temperature Operating Junction Temperature 60 Volts 4.0 Volts 3A - 65 to +150oC +200oC ELECTRICAL CHARACTERISTICS @ 25 OC SYMBOL CHARACTERISTICS POUT PIN PG Power Output Power Input Power Gain Collector Efficiency Load Mismatch Tolerance1 ηc VSWR BVEBO BVCES BVCEO hFE θjc1 Cob IEBO ICBO Emitter to Base Breakdown Collector to Emitter Breakdown Collector to Emitter Breakdown DC - Current Gain Thermal Resistance Output Capacitance Emitter to Base Leakage Collector to Base Leakage TEST CONDITIONS F = 400 MHz Vcc = 28 Volts MIN TYP MAX 25 3.2 8.9 10 50 UNITS W W dB % 5:1 Ie = 5 mA Ic = 50 mA Ie = 50 mA Ic = 0.5 A, Vce = 5 V Vcb = 28 V, F = 1 MHz Veb = 2 V Vcb = 20 V 4.0 65 33 10 Volts Volts Volts 22 2.5 27 2 2 o C/W pF mA mA Rev. A – Apr 2004 Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein. Visit our web site at www.advancedpower.com or contact our factory direct. UMIL25 Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein. Visit our web site at www.advancedpower.com or contact our factory direct. UMIL25 Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein. Visit our web site at www.advancedpower.com or contact our factory direct. UMIL25 Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein. Visit our web site at www.advancedpower.com or contact our factory direct.