MRF21085LR3 MRF21085LSR3

1

RF Device Data

Freescale Semiconductor

RF Power Field Effect Transistors

N-Channel Enhancement-Mode Lateral MOSFETs

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.

MHz, Peak/Avg. = 8.5 dB @ 0.01% Probability on CCDF.

Power Gain — 13.6 dB

Drain Efficiency — 23%

IM3 @ 10 MHz Offset — -37.5 dBc in 3.84 MHz Channel Bandwidth

ACPR @ 5 MHz Offset — -41 dBc in 3.84 MHz Channel Bandwidth

• Capable of Handling 5:1 VSWR, @ 28 Vdc, 2140 MHz, 90 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

• Characterized with Series Equivalent Large-Signal Impedance Parameters

• Available with Low Gold Plating Thickness on Leads. L Suffix Indicates

40μ″ Nominal.

• RoHS Compliant

• In Tape and Reel. R3 Suffix = 250 Units per 56 mm, 13 inch Reel.

Table 1. Maximum Ratings

Rating

Symbol

Value

Unit

Drain-Source Voltage

-0.5, +65

Vdc

Gate-Source Voltage

-0.5, +15

Vdc

Derate above 25°C

224

1.28

W

W/°C

Storage Temperature Range

- 65 to +150

°C

Case Operating Temperature

150

°C

Operating Junction Temperature

200

°C

Table 2. Thermal Characteristics

Characteristic

Symbol

Value

Unit

Thermal Resistance, Junction to Case

0.78

°C/W

Table 3. ESD Protection Characteristics

Test Conditions

Class

Human Body Model

1 (Minimum)

Machine Model

M3 (Minimum)

Document Number: MRF21085

Rev. 9, 5/2006

Freescale Semiconductor

Technical Data

MRF21085LR3

MRF21085LSR3

2110-2170 MHz, 90 W, 28 V

LATERAL N-CHANNEL

RF POWER MOSFETs

CASE 465-06, STYLE 1

NI-780

MRF21085LR3

CASE 465A-06, STYLE 1

NI-780S

MRF21085LSR3

© Freescale Semiconductor, Inc., 2006. All rights reserved.