The VRF2944 is a gold-metallized silicon n-channel RF power transistor de-

signedforbroadbandcommercialandmilitaryapplicationsrequiringhighpower

and gain without compromising reliability, ruggedness, or inter-modulation

distortion.

FEATURES

• Improved Ruggedness V

• 400W with 22dB Typ. Gain @ 30MHz, 50V

• Excellent Stability & Low IMD

• Common Source Configuration

• Available in Matched Pairs

• 70:1 Load VSWR Capability at Specified Operating Conditions

• Nitride Passivated

• Refractory Gold Metallization

• Higher Power Version of VRF2933

• Thermally Enhanced Package

• RoHS Compliant

Symbol

Parameter

VRF2933(MP)

Unit

V

DSS

Drain-Source Voltage

170

V

I

D

Continuous Drain Current @ T

50

A

V

GS

Gate-Source Voltage

±40

V

P

D

Total Device dissipation @ T

795

W

T

STG

Storage Temperature Range

-65 to 150

°C

T

J

Operating Junction Temperature Max

200

RF POWER VERTICAL MOSFET

Maximum Ratings

All Ratings: T

Static Electrical Characteristics

Symbol

Parameter

Min

Typ

Max

Unit

V

(BR)DSS

Drain-Source Breakdown Voltage (V

170

180

I

DSS

Zero Gate Voltage Drain Current (V

2.0

mA

I

GSS

Gate-Source Leakage Current (V

2.0

μA

g

fs

Forward Transconductance (V

10

mhos

V

GS(TH)

Gate Threshold Voltage (V

2.9

3.6

4.4

V

Microsemi Website - http://www.microsemi.com

Thermal Characteristics

Symbol

Characteristic

Min

Typ

Max

Unit

Junction to Case Thermal Resistance

0.22

°C/W

CAUTION: These Devices are Sensitive to Electrostatic Discharge. Proper Handling Procedures Should Be Followed.

VRF2944

VRF2944MP

50V, 400W, 150MHz

D

S

S

G

M177

V

2.0

2.4