ARF300
125V, 300W, 45MHz
RF POWER MOSFET
N-CHANNEL ENHANCEMENT MODE
TheARF300 is a N-CHANNELRF power transistor in a high efficiency flangeless package.
It is designed for high voltage operation in narrow band ISM and MRI power amplifiers at
frequencies up to 45MHz. The transistor is well matched to the ARF301 P-CHANNEL RF
power transistor making the pair well suited for bridge configurations
• Specified 125 Volt, 27 MHz Characteristics:
Output Power = 300 Watts.
Gain = 15dB (Class E)
• High Performance
• High Voltage Breakdown and Large SOA
for Superior Ruggedness
Efficiency = 80%
• Low Thermal Resistance.
• RoHS Compliant
• Capacitance matched with ARF301 P-Channel
Maximum Ratings
All Ratings: TC =25°C unless otherwise specified
Symbol
Parameter
Ratings
500
Unit
VDSS
Drain-Source Voltage
V
VDGO
ID
Drain-Gate Voltage
500
Continuous Drain Current @ TC = 25°C
Gate-Source Voltage
24
A
V
VGS
±30
PD
Total Power Dissipation @ TC = 25°C
Operating and Storage Junction Temperature Range
Lead Temperature: 0.063” from Case for 10 Sec.
1000
-55 to 175
300
W
TJ, TSTG
TL
°C
Static Electrical Characteristics
Symbol
Parameter
Min
Typ
Max
Unit
BVDSS
Drain-Source Breakdown Voltage (VGS = 0V, ID = 250 μA)
On State Drain Voltage 1 (ID(ON) = 12A, VGS = 10V)
Zero Gate Voltage Drain Current (VDS = VDSS, VGS = 0V)
Zero Gate Voltage Drain Current (VDS = 50VDSS, VGS = 0, TC = 125°C)
Gate-Source Leakage Current (VDS = ±30V, VDS = 0V)
Forward Transconductance (VDS = 15V, ID = 12A)
Gate Threshold Voltage (VDS = VGS, ID = 10mA)
500
V
VDS(ON)
3
4
25
IDSS
μA
250
±100
IGSS
gfs
nA
5
8
4
mhos
Volts
VGS(TH)
2.5
5
Thermal Characteristics
Symbol
Parameter
Min
Typ
Max
0.15
0.27
Unit
RθJC
Junction to Case
°C/W
RθJHS
Junction to Sink (High Efficiency Thermal Joint Compound and Planar Heat Sink Surface.)
CAUTION: These Devices are Sensitive to Electrostatic Discharge. Proper Handling Procedures Should Be Followed.
Microsemi Website - http://www.microsemi.com