Document Number: MRF21125
Rev. 9, 5/2006
Freescale Semiconductor
Technical Data
RF Power Field Effect Transistors
N-Channel Enhancement-Mode Lateral MOSFETs
MRF21125R3
MRF21125SR3
Designed for W-CDMA base station applications with frequencies from 2110
to 2170 MHz. Suitable for TDMA, CDMA and multicarrier amplifier applica-
tions. To be used in Class AB for PCN - PCS/cellular radio and WLL
applications.
• Typical 2-Carrier W-CDMA Performance for VDD = 28 Volts, IDQ
=
1600 mA, f1 = 2112.5 MHz, f2 = 2122.5 MHz, Channel bandwidth =
2110-2170 MHz, 125 W, 28 V
LATERAL N-CHANNEL
RF POWER MOSFETs
3.84 MHz, adjacent channels at 5 MHz , ACPR and IM3 measured in
3.84 MHz bandwidth. Peak/Avg. = 8.5 dB @ 0.01% probability on CCDF.
Output Power — 20 Watts
Efficiency — 18%
Gain — 13 dB
IM3 — -43 dBc
ACPR — -45 dBc
• Capable of Handling 5:1 VSWR, @ 28 Vdc, 2140 MHz, 125 Watts CW
Output Power
Features
• Internally Matched for Ease of Use
• High Gain, High Efficiency and High Linearity
• Integrated ESD Protection
• Designed for Maximum Gain and Insertion Phase Flatness
• Excellent Thermal Stability
CASE 465B-03, STYLE 1
NI-880
MRF21125R3
• Characterized with Series Equivalent Large-Signal Impedance Parameters
• RoHS Compliant
• In Tape and Reel. R3 Suffix = 250 Units per 56 mm, 13 inch Reel.
CASE 465C-02, STYLE 1
NI-880S
MRF21125SR3
Table 1. Maximum Ratings
Rating
Symbol
Value
Unit
Vdc
Vdc
Drain-Source Voltage
Gate-Source Voltage
V
DSS
-0.5, +65
-0.5, +15
V
GS
Total Device Dissipation @ T = 25°C
Derate above 25°C
P
D
330
1.89
W
W/°C
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
R
0.53
°C/W
θ
JC
© Freescale Semiconductor, Inc., 2006. All rights reserved.
MRF21125R3 MRF21125SR3
RF Device Data
Freescale Semiconductor
1