D
S
ARF449A(G)
G
ARF449B(G)
*G Denotes RoHS Compliant, Pb Free Terminal Finish.
TO-247
Common
Source
RF POWER MOSFETs
N-CHANNELENHANCEMENTMODE
150V
90W 120MHz
The ARF449A and ARF449B comprise a symmetric pair of common source RF power transistors designed for push-
pull scientific, commercial, medical and industrial RF power amplifier applications up to 120 MHz.
• Low Cost Common Source RF Package.
• Very High Breakdown for Improved Ruggedness.
• Low Thermal Resistance.
• Specified 150 Volt, 81.36 MHz Characteristics:
•
•
•
Output Power = 90 Watts.
Gain = 13dB (Class C)
Efficiency = 75%
• Nitride Passivated Die for Improved Reliability.
MAXIMUM RATINGS
Symbol Parameter
All Ratings: T = 25°C unless otherwise specified.
C
ARF449A/449B(G)
UNIT
VDSS
VDGO
ID
Drain-Source Voltage
450
450
Volts
Drain-Gate Voltage
Continuous Drain Current @ TC = 25°C
Gate-Source Voltage
9
Amps
Volts
Watts
°C/W
VGS
±30
PD
Total Power Dissipation @ TC = 25°C
Junction to Case
165
RθJC
TJ,TSTG
TL
0.76
-55 to 150
300
Operating and Storage Junction Temperature Range
Lead Temperature: 0.063" from Case for 10 Sec.
°C
STATIC ELECTRICAL CHARACTERISTICS
Characteristic / Test Conditions
UNIT
Symbol
BVDSS
MIN
TYP
MAX
Drain-Source Breakdown Voltage (VGS = 0V, ID = 250 µA)
450
Volts
1
VDS(ON)
On State Drain Voltage (ID(ON) = 5A, VGS = 10V)
4
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 = ±30V, VDS = 0V)
Forward Transconductance (VDS = 25V, ID = 5A)
25
IDSS
µA
250
±100
IGSS
gfs
nA
3
2
5.8
mhos
Volts
VGS(TH)
Gate Threshold Voltage (VDS = VGS, ID = 50mA)
5
CAUTION: These Devices are Sensitive to Electrostatic Discharge. Proper Handling Procedures Should Be Followed.
APT Website - http://www.advancedpower.com