RF & MICROWAVE TRANSISTORS

SATELLITE COMMUNICATIONS APPLICATIONS

.250x.3202LFL (M170)

epoxy sealed

.

REFRACTORY/GOLD METAL LIZATION

.

EFFICIENCY - 50% TYPICAL

.

DESCRIPTION

The SD1899 is a common base silicon NPN bipolar

device optimized for 1.6 GHz SATCOM applica-

tions.

SD1899 offers superior gain and collector effi-

ciency, making it an ideal choice for Class C power

amplifiers used in portable as well as fixed SAT-

COM terminals.

PIN CONNECTION

BRANDING

SD1899

ORDER CODE

SD1899

= 25°C)

Symbol

Parameter

Valu e

Uni t

Collector-Base Voltage

45

V

Collector-Emitter Voltage

45

V

Emitter-Base Voltage

3.0

V

Device Current

3.5

A

Power Dissipation (+25

°C)

64.8

W

Junction Temperature

+200

°C

Storage Temperature

− 65 to +150

°C

Junction-Case Thermal Resistance

2.7

°C/W

SD1899

1. Collector

3. Base

2. Emitter

THERMAL DATA

January 6, 1997

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