D G S
TO-247
ARF449A ARF449B
Common Source
RF POWER MOSFETs
N - CHANNEL ENHANCEMENT MODE 150V 150W 120MHz
The ARF449A ...
D G S
TO-247
ARF449A ARF449B
Common Source
RF POWER MOSFETs
N - CHANNEL ENHANCEMENT MODE 150V 150W 120MHz
The ARF449A and ARF449B comprise a symmetric pair of common source RF power
transistors designed for pushpull scientific, commercial, medical and industrial RF power amplifier applications up to 120 MHz.
Specified 150 Volt, 81.36 MHz Characteristics: Output Power = 150 Watts. Gain = 13dB (Class C) Efficiency = 75%
MAXIMUM RATINGS
Symbol VDSS VDGO ID VGS PD RθJC TJ,TSTG TL Parameter Drain-Source Voltage Drain-Gate Voltage Continuous Drain Current @ TC = 25°C Gate-Source Voltage Total Power Dissipation @ TC = 25°C Junction to Case
Low Cost Common Source RF Package. Very High Breakdown for Improved Ruggedness. Low Thermal Resistance. Nitride Passivated Die for Improved Reliability.
All Ratings: TC = 25°C unless otherwise specified.
ARF449A/449B UNIT Volts
450 450 9 ±30 165 0.76 -55 to 150 300
Amps Volts Watts °C/W °C
Operating and Storage Junction Temperature Range Lead Temperature: 0.063" from Case for 10 Sec.
STATIC ELECTRICAL CHARACTERISTICS
Symbol BVDSS Characteristic / Test Conditions Drain-Source Breakdown Voltage (VGS = 0V, ID = 250 µA)
1
MIN
TYP
MAX
UNIT Volts
450 4 25 250 ±100 3 2 5.8 5
nA mhos Volts µA
VDS(ON) On State Drain Voltage IDSS IGSS gfs VGS(TH)
(ID(ON) = 5A, VGS = 10V)
Zero Gate Voltage Drain Current (VDS = VDSS, VGS = 0V) Zero Gate Voltage Drain Current (VDS = 0.8 VDSS, VGS = 0V, TC = 125°C) Gate-Source Leakage Current (VGS...