2021-25 25 Watts, 24 Volts, Class C Microwave 2000 - 2130 MHz GENERAL DESCRIPTION The 2021-25 is a COMMON BASE transistor capable of providing 25 Watts, Class C output power over the band 2000-2130 MHz. The transistor includes input and output prematching for full Broadband capability. Gold metalization and diffused ballasting are used to provide high reliability and supreme ruggedness. The transistor uses a fully hermetic High Temperature Solder Sealed package. CASE OUTLINE 55AW, STYLE 1 ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation @ 25oC 58 Watts Maximum Voltage and Current BVces Collector to Emitter Voltage BVebo Emitter to Base Voltage Ic Collector Current 40 Volts 3.5 Volts 3.0 Amps Maximum Temperatures Storage Temperature Operating Junction Temperature - 65 to + 200 oC + 200 oC ELECTRICAL CHARACTERISTICS @ 25 OC SYMBOL CHARACTERISTICS TEST CONDITIONS MIN Pout Pin Pg ηc VSWR1 Power Out Power Input Power Gain Efficiency Load Mismatch Tolerance F = 2000-2100 MHz Vcc = 24 Volts 25 BVces BVebo Hfe Cob θjc Collector to Base Breakdown Emitter to Base Breakdown Current Gain Output Capacitance* Thermal Resistance Ic = 10 mA Ie = 5 mA Vce = 5V, Ic=1 A TYP MAX 5.0 7.0 50 Pout = 25 Watts Tc = 25oC UNITS Watts Watts dB % 3:1 40 3.5 20 Volts Volts 120 3.0 o pF C/W * Not measureable due to internal prematch network August 1996 GHz TECHNOLOGY INC. RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE. GHz RECOMMENDS THAT BEFORE THE PRODUCT(S) DESCRIBED HEREIN ARE WRITTEN INTO SPECIFICATIONS, OR USED IN CRITICAL APPLICATIONS, THAT THE PERFORMANCE CHARACTERISTICS BE VERIFIED BY CONTACTING THE FACTORY. GHz Technology Inc. 3000 Oakmead Village Drive, Santa Clara, CA 95051-0808 Tel. 408 / 986-8031 Fax 408 / 986-8120