arf473| Datasheet

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Common Source Push-Pull Pair
D G

ARF473
AR
S (Flange) D

F47

RF POWER MOSFET
N - CHANNEL ENHANCEMENT MODE Specified 135 Volt, 130 MHz Characteristics: Output Power = 300 Watts. Gain = 13dB (Class AB) Efficiency = 50%
MAXIMUM RATINGS
Symbol VDSS ID VGS PD TJ,TSTG TL Parameter Drain-Source Voltage Continuous Drain Current @ TC = 25 C Gate-Source Voltage Total Device Dissipation @ TC = 25 C Operating and Storage Junction Temperature Range Lead Temperature: 0.063" from Case for 10 Sec. (each device)

165 V 300 W 150 MHz

The ARF473 is a matched pair of RF power transistors in a common source configuration. It is designed for high voltage push-pull or parallel operation in narrow band ISM and MRI power amplifiers up to 150 MHz.

High Performance Push-Pull RF Package. High Voltage Breakdown and Large SOA
for Superior Ruggedness.

Low Thermal Resistance.
All Ratings: TC = 25 C unless otherwise specified.
ARF473 UNIT Volts Amps Volts Watts C

500 10 30 500 -55 to 200 300

STATIC ELECTRICAL CHARACTERISTICS
Symbol BVDSS VDS(ON) IDSS IGSS gfs gfs1 gfs2 Characteristic / Test Conditions Drain-Source Breakdown Voltage (VGS = 0V, ID = 250 uA) On State Drain Voltage
1

MIN

TYP

MAX

UNIT Volts uA nA mhos

500 4 25 250 100 4 0.9 3 6 1.1 5 0.1

(I D(ON) = 5A, VGS = 10V)

Zero Gate Voltage Drain Current (VDS = VDSS, VGS = 0V) Zero Gate Voltage Drain Current (VDS = 50V, VGS = 0, TC = 125 C) Gate-Source Leakage Current (VGS = 30V, VDS = 0V) Forward Transconductance (VDS = 25V, ID = 5A) Forward Transconductance Match Ratio (VDS = 25V, ID = 5A) Gate Threshold Voltage (VDS = VGS, ID = 200mA) Gate Threshold Voltage Match (VDS = VGS, ID = 200mA)

VGS(TH) VGS(TH)

Volts

THERMAL CHARACTERISTICS
Symbol RJC RCS Characteristic Junction to Case Case to Sink (Use High Efficiency Thermal Joint Compound and Planar Heat Sink Surface.) MIN TYP MAX UNIT
6-2003 050-4920 Rev C

0.35 0.1

C/W

CAUTION: These Devices are Sensitive to Electrostatic Discharge. Proper Handling Procedures Should Be Followed.

APT Website - http://www.advancedpower.com