2021-25

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 Maximum Voltage and Current BVces Collector to Emitter Voltage BVebo Emitter to Base Voltage Ic Collector Current Maximum Temperatures Storage Temperature Operating Junction Temperature 58 Watts 40 Volts 3.5 Volts 3.0 Amps - 65 to + 200 oC + 200 oC ELECTRICAL CHARACTERISTICS @ 25 OC SYMBOL Pout Pin Pg ηc VSWR1 CHARACTERISTICS Power Out Power Input Power Gain Efficiency Load Mismatch Tolerance TEST CONDITIONS F = 2000-2100 MHz Vcc = 24 Volts MIN 25 5.0 7.0 50 Pout = 25 Watts 3:1 TYP MAX UNITS Watts Watts dB % 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 Tc = 25oC 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