PTB20220

e PTB 20220 15 Watts, 915–960 MHz Cellular Radio RF Power Transistor Description The 20220 is a class AB, NPN, common emitter RF power transistor intended for 25 Vdc operation across the 915 to 960 MHz frequency band. Rated at 15 watts minimum output power for PEP applications, it may be used for both CW and PEP applications. Ion implantation, nitride surface passivation and gold metallization ensure excellent device reliability. 100% lot traceability is standard. • • • • • • 15 Watts, 915–960 MHz Class AB Characteristics 50% Collector Efficiency at 15 Watts Surface Mountable Gold Metallization Silicon Nitride Passivated Typical Power Out and Efficiency vs. Power In 20 60 Efficiency Output Power 10 30 Output Power (Watts) Efficiency (%) 15 45 20 22 0 LO TC OD E VCC = 25 V 5 ICQ = 24 mA f = 960 MHz 0.0 0.5 1.0 1.5 2.0 2.5 15 0 0 Input Power (Watts) Package 20232 Maximum Ratings Parameter Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage (collector open) Collector Current (continuous) Total Device Dissipation at Tflange = 25°C Above 25°C derate by Storage Temperature Range Thermal Resistance (Tflange = 70°C) TSTG RθJC Symbol VCER VCBO VEBO IC PD Value 65 65 4.0 4.0 37 0.21 –40 to +150 4.7 Unit Vdc Vdc Vdc Adc Watts W/°C °C °C/W 1 9/28/98 PTB 20220 Electrical Characteristics Characteristic Breakdown Voltage C to E Breakdown Voltage C to E Breakdown Voltage E to B DC Current Gain Output Capacitance (100% Tested) e Conditions IB = 0 A, IC ...