PTB20004

e PTB 20004 50 Watts, 860–900 MHz Cellular Radio RF Power Transistor Description The 20004 is a class AB, NPN, common emitter RF power transistor intended for 25 Vdc operation across the 860 to 900 MHz frequency band. Rated at 50 watts minimum output power, it may be used for both CW and PEP applications. Ion implantation, nitride surface passivation and gold metallization are used to ensure excellent device reliability. 100% lot traceability is standard. • • • • • 50 Watts, 860–900 MHz Class AB Characteristics 50% Collector Efficiency at 50 Watts Gold Metallization Silicon Nitride Passivated Typical Output Power vs. Input Power 60 Output Power (Watts) 50 40 30 20 10 0 0 2 4 6 8 10 200 04 LOT CO DE VCC = 25 V ICQ = 200 mA f = 900 MHz Input Power (Watts) Package 20200 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 40 50 4.0 10.0 175 1.0 –40 to +150 1.0 Unit Vdc Vdc Vdc Adc Watts W/°C °C °C/W 1 9/28/98 PTB 20004 Electrical Characteristics Characteristic Breakdown Voltage C to E Breakdown Voltage C to E Breakdown Voltage E to B DC Current Gain (100% Tested) e Conditions IB = 0 A, IC = 100 mA VBE = 0 V, IC = 100 mA IC = 0 A, IE = 5 mA VCE = 5 V, IC = 1 A Symbol V(BR)CEO V(BR)CES V(BR)EBO hFE Min 25 5...