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Rev A: 09/16/05

MS1649

RF & MICROWAVE TRANSISTORS

UHF CLASS C MOBILE APPLICATIONS

DESCRIPTION:

The MS1649 is a 12.5V epitaxial NPN planar transistor

designed primarily for UHF communications. This device is

packaged in a grounded emitter TO-39 package for increased

power gain and optimum heat dissipation.

ABSOLUTE MAXIMUM RATINGS (Tcase = 25

°C)

Symbol

Parameter

Value

Unit

Collector-Base Voltage

36

V

Collector-Emitter Voltage

16

V

Emitter-Base Voltage

3.5

V

Collector Current

1.0

A

Total Power Dissipation

7.8

W

Storage Temperature

-65 to +200

°C

Junction Temperature

+200

°C

Thermal Data

Thermal Resistance Junction-Case

35.0

°C/W

1. Collector

2. Base

3. Emitter

TO-39

Features

• 470 MHz

• P

• G

• COMMON EMITTER CONFIGURATION