RF & MICROWAVE TRANSISTORS

UHF TV/LINEAR APPLICATIONS

.280 4L STUD (M122)

epoxy sealed

.

860 MHz

.

COMMON EMITTER

.

GOLD METALLIZATION

.

CLASS A LINEAR OPERATION

.

DESCRIPTION

The SD1439 is a silicon NPN bipolar device spe-

cifically designed for high linearity applications in

the UHF frequency range including TV Bands IV

and V.

Gold metallization and emitter ballasting assure

high reliability under Class A linear amplifier op-

eration.

PIN CONNECTION

BRANDING

TCC596

ORDER CO DE

SD1439

= 25°C)

Symbol

Parameter

Valu e

Un it

Collector-Base Voltage

45

V

Collector-Emitter Voltage

24

V

Emitter-Base Voltage

3.5

V

Device Current

0.5

A

Power Dissipation

8.75

W

Junction Temperature

+200

°C

Storage Temperature

− 65 to +150

°C

Junction-Case Thermal Resistance

20

°C/W

SD1439

1. Collector

3. Base

2. Emitter

4. Emitter

THERMAL DATA

June 13, 1995

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