MS1503

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DESCRIPTION:

DESCRIPTION:

The MS1503 is a 28V Class C epitaxial silicon NPN planar

transistor designed primarily for UHF communications. The

device utilizes diffused emitter resistors to achieve infinite

VSWR capability under operating conditions. Internal inpedance

matching produces optimum power gain and efficiency over the

225-400MHz band.

ABSOLUTE MAXIMUM RATINGS (Tcase = 25°°C)

Symbol

Parameter

Value

Unit

Collector-Base Voltage

60

V

Collector-Emitter Voltage

33

V

Emitter-Base Voltage

4.0

V

Device Current

4.0

A

Power Dissipation

250

W

Junction Temperature

+200

°°C

Storage Temperature

-65 +150

°°C

Thermal Data

Thermal Data

Thermal Resistance Junction-case

0.7

°°C/W

Features

Features

• 400 MHz

• 28 VOLTS

• GOLD METALIZATION

• P

• G

• COMMON EMITTER CONFIGURATION

RF & MICROWAVE TRANSISTORS

WIDE BAND VHF/UHF APPLICATIONS

140 COMMERCE DRIVE

MONTGOMERYVILLE, PA

18936-1013

PHONE: (215) 631-9840

FAX: (215) 631-9855