(PDF) PTB20237 Datasheet - 150 Watts/ 470-860 MHz UHF TV Power Transistor

Número de pieza	PTB20237
Descripción	150 Watts/ 470-860 MHz UHF TV Power Transistor
Fabricantes	Ericsson
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No Preview Available ! e PTB 20237 150 Watts, 470–860 MHz UHF TV Power Transistor Description The 20237 is a class AB, NPN, common emitter UHF TV power transistor intended for 28 Vdc operation from 470 to 860 MHz. Rated at 150 watts minimum output power, 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. 470–860 MHz, 28 Volts Class AB Characteristics 50% Collector Efficiency at 150 Watts Gold Metallization Silicon Nitride Passivated Typical Output Power vs. Input Power 200 175 150 125 100 75 VCC = 28 V 50 ICQ = 0.800 A Total 25 f = 860 MHz 0 0 4 8 12 16 20 24 Input Power (Watts) 20237LOT CODE Package 20236 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) Symbol VCER VCBO VEBO IC PD TSTG RθJC Value 55 60 4 25 330 1.89 –40 to +150 0.53 Unit Vdc Vdc Vdc Adc Watts W/°C °C °C/W 9/28/98 1 1 page

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PDF PTB20237 Data sheet ( Hoja de datos )