Document Number: MRF373A
Rev. 7, 9/2008
Freescale Semiconductor
Technical Data
RF Power Field Effect Transistors
N-Channel Enhancement-Mode Lateral MOSFETs
MRF373ALR1
MRF373ALSR1
Designed for broadband commercial and industrial applications with frequen-
cies from 470 to 860 MHz. The high gain and broadband performance of these
devices make them ideal for large-signal, common source amplifier applica-
tions in 28/32 volt transmitter equipment.
• Typical CW Performance at 860 MHz, 32 Volts, Narrowband Fixture
470-860 MHz, 75 W, 32 V
LATERAL N-CHANNEL
BROADBAND
Output Power — 75 Watts
Power Gain — 18.2 dB
Efficiency — 60%
D
• Capable of Handling 10:1 VSWR @ 32 Vdc, 860 MHz,
RF POWER MOSFETs
75 Watts CW Output Power
Features
• Integrated ESD Protection
• Excellent Thermal Stability
• Characterized with Series Equivalent Large-Signal
G
Impedance Parameters
CASE 360B-05, STYLE 1
NI-360
• Low Gold Plating Thickness on Leads.
L Suffix Indicates 40μ″ Nominal.
MRF373ALR1
S
• RoHS Compliant
• In Tape and Reel. R1 = 500 units per 32 mm, 13 inch Reel.
CASE 360C-05, STYLE 1
NI-360S
MRF373ALSR1
Table 1. Maximum Ratings
Rating
Symbol
Value
Unit
Vdc
Vdc
Drain-Source Voltage
Gate-Source Voltage
V
DSS
-0.5, +70
-0.5, +15
V
GS
Total Device Dissipation @ T = 25°C
Derate above 25°C
MRF373ALR1
P
D
197
1.12
278
W
W/°C
W
C
MRF373ALSR1
1.59
W/°C
Storage Temperature Range
Case Operating Temperature
Operating Junction Temperature
T
-65 to +150
150
°C
°C
°C
stg
T
C
T
200
J
Table 2. Thermal Characteristics
Characteristic
Symbol
Value
Unit
Thermal Resistance, Junction to Case
MRF373ALR1
MRF373ALSR1
R
0.89
0.63
°C/W
θ
JC
Table 3. ESD Protection Characteristics
Test Conditions
Class
Human Body Model
1 (Minimum)
Machine Model
MRF373ALR1
MRF373ALSR1
M2 (Minimum)
M1 (Minimum)
© Freescale Semiconductor, Inc., 2008. All rights reserved.
MRF373ALR1 MRF373ALSR1
Freescale Semiconductor
RF Product Device Data
1