UHF TV/LINEAR APPLICATIONS

RF & MICROWAVE TRANSISTORS

.280 4L STUD (M122)

epoxy sealed

.

860 MHz

.

25 VOLTS

.

COMMON EMITTER

.

GOLD METALLIZATION

.

CLASS A LINEAR OPERATION

.

DESCRIPTION

The SD1448 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 oper-

ation.

PIN CONNECTION

BRANDING

TCC598

ORDER CODE

SD1448

= 25°C)

Symbol

Parameter

Value

Uni t

Collector-Base Voltage

45

V

Collector-Emitter Voltage

25

V

Emitter-Base Voltage

4

V

Device Current

1.6

A

Power Dissipation

31.8

W

Junction Temperature

+200

°C

Storage Temperature

− 65 to +150

°C

Junction-Case Thermal Resistance

5.5

°C/W

SD1448 (TCC598)

1. Collector

3. Base

2. Emitter

4. Emitter

THERMAL DATA

November 1992

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