HF SSB APPLICATIONS

RF & MICROWAVE TRANSISTORS

.500 4LFL (M174)

epoxy sealed

.

30 MHz

.

12.5 VOLTS

.

IMD

−30 dB

.

COMMON EMITTER

.

GOLD METALLIZATION

.

DESCRIPTION

The SD1487 is a 12.5 V Class C epitaxial silicon

NPN planar transistor designed primarily for HF

communications. This device utilizes state-of-the-

art diffused emitter ballasting to achieve extreme

ruggedness under severe operating conditions.

PIN CONNECTION

BRANDING

SD1487

ORDER CODE

SD1487

= 25°C)

Symbol

Parameter

Value

Uni t

Collector-Base Voltage

36

V

Collector-Emitter Voltage

18

V

Emitter-Base Voltage

4.0

V

Device Current

20

A

Power Dissipation

290

W

Junction Temperature

+200

°C

Storage Temperature

− 65 to +150

°C

Junction-Case Thermal Resistance

0.6

°C/W

SD1487

1. Collector

3. Base

2. Emitter

4. Emitter

THERMAL DATA

November 1992

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