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ARF448A

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ARF448A ARF448B D G S TO-247 Common Source RF POWER MOSFETs N - CHANNEL ENHANCEMENT MODE 150V 140W 65MHz The ARF448A and ARF448B comprise a symmetric pair of common source RF power transistors designed for pushpull scientific, commercial, medical and industrial RF power amplifier applications up to 65 MHz. Specified 150 Volt, 40.68 MHz Characteristics: Low Cost Common Source RF Package. Output Power = 140 Watts. Very High Breakdown for Improved Ruggedness. Gain = 15dB (Class C) Low Thermal Resistance. Efficiency = 75% ¥ ¥ ¥ Nitride Passivated Die for Improved Reliability. MAXIMUM RATINGS Symbol All Ratings: TC = 25°C unless otherwise specified. Parameter ARF448A/448B VDSS Drain-Source Voltage 450 VDGO Drain-Gate Voltage UNIT 450 ID Volts 15 Continuous Drain Current @ TC = 25°C Amps VGS Gate-Source Voltage ±30 Volts PD Total Power Dissipation @ TC = 25°C 230 Watts Junction to Case 0.55 °C/W RqJC TJ,TSTG TL -55 to 150 Operating and Storage Junction Temperature Range °C 300 Lead Temperature: 0.063" from Case for 10 Sec. STATIC ELECTRICAL CHARACTERISTICS MIN Drain-Source Breakdown Voltage (VGS = 0V, ID = 250 mA) 450 VDS(ON) On State Drain Voltage IDSS IGSS gfs VGS(TH) 1 TYP MAX (I D(ON) = 7.5A, VGS = 10V) 3 Zero Gate Voltage Drain Current (VDS = VDSS, VGS = 0V) 25 Zero Gate Voltage Drain Current (VDS = 0.8 VDSS, VGS = 0V, TC = 125°C) 250 Gate-Source Leakage Current (VGS = ±30V, VDS = 0V) ±100 Forward Transconductance (VDS = 25V, ID = 7.5A) 5 Gate Threshold Voltage (VDS = VGS, ID = 50mA) 2 8.5 CAUTION: These Devices are Sensitive to Electrostatic Discharge. Proper Handling Procedures Should Be Followed. APT Website - http://www.advancedpower.com UNIT Volts mA nA mhos 5 Volts 7-2003 BVDSS Characteristic / Test Conditions 050-4908 Rev C Symbol

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