Rev. 06.2, 2022-1-27

© 2022 Wolfspeed, Inc. All rights reserved. Wolfspeed® and the Wolfstreak logo are registered trademarks and the Wolfspeed logo is a trademark of Wolfspeed, Inc.

The information in this document is subject to change without notice.

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PTRA082808NF

Package Types: PG-HBSOF-6-2

Features

• Broadband internal input and output matching

• Asymmetrical design

- Main: P

1dB = 115 W Typ

- Peak: P

1dB = 165 W Typ

• Typical Pulsed CW performance, 820 MHz, 48 V,

Doherty configuration

- Output power at P

3dB = 250 W

- Efficiency = 55.6 %

- Gain = 16.2 dB

• Capable of handling 10:1 VSWR @ 48 V, 56.2 W (CW)

output power

• Human Body Model Class 1C (per ANSI/ESDA/JEDEC

JS-001)

• Integrated ESD protection

• Low thermal resistance

• Pb-free and RoHS compliant

Thermally-Enhanced High Power RF LDMOS FET

280 W, 48 V, 790 – 820 MHz

Description

The PTRA082808NF is a 280-watt LDMOS FET intended for use in multi-standard

cellular power amplifier applications in the 790 to 820 MHz frequency band. Features

include input and output matching, high gain and thermally-enhanced package

with earless flanges. Manufactured with Wolfspeed’s advanced LDMOS process, this

device provides excellent thermal performance and superior reliability.

RF Characteristics

Single-carrier WCDMA Specifications (tested in Wolfspeed Doherty test fixture)

V

DD = 48 V, IDQ = 200 mA, VGS(PEAK) = 1.0 V, POUT = 56.2 W avg, ƒ = 820 MHz, 3GPP, channel bandwidth = 3.84 MHz,

peak/average = 10 dB @ 0.01% CCDF

Characteristic

Symbol

Min.

Typ.

Max.

Unit

Gain

G

ps

15.2

15.5

—

dB

Drain Efficiency

h

D

42.7

44.5

—

%

Adjacent Channel Power Ratio

ACPR

—

–36.4

–33.5

dBc

Output PAR @ 0.01% CCDF

OPAR

6.6

7.3

—

dB

Note:

All published data at T

CASE = 25°C unless otherwise indicated

ESD: Electrostatic discharge sensitive device—observe handling precautions!

-80

-60

-40

-20

0

20

40

60

80

0

4

8

12

16

20

24

28

32

25

30

35

40

45

50

55

Average Output Power (dBm)

Single-carrier WCDMA Drive-up

VDD = 48 V, IDQ(MAIN) = 200 mA,

VGS(PEAK) = 1.0 V, ƒ = 820 MHz,

3GPP WCDMA signal, PAR = 10 dB,

3.84 MHz BW

Gain

Efficiency

PAR @ 0.01% CCDF

ptra082808nf_g1