SD1895-3 datasheet(1/4 Pages) STMICROELECTRONICS

Part #	SD1895-3

Description	RF & MICROWAVE TRANSISTORS 1.6 GHz SATCOM APPLICATIONS

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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1.6 GHz SATCOM APPLICATIONS

RF & MICROWAVE TRANSISTORS

. 250 x .320 2LFL (M170)

epoxy sealed

.

1.65 GHz

.

28 VOLTS

.

OVERLAY DIE GEOMETRY

.

ALL GOLD METALLIZED SYSTEM

.

HIGH RELIABILITY AND RUGGEDNESS

.

COOMON BASE

.

POUT

= 15 W MIN. WITH 9.2 dB GAIN

DESCRIPTION

The SD1895-03 is a 28 V silicon NPN planar tran-

sistor designed for INMARSAT and other 1.6 GHz

SATCOM applications. This device utilizes poly-

silicon site ballasting with a gold metallized die

to achieve high reliability and ruggedness.

PIN CONNECTION

BRANDING

SD1895-3

ORDER CODE

SD1895-03

ABSOLUTE MAXIMUM RATINGS (Tcase

= 25°C)

Symbol

Parameter

Value

Uni t

VCBO

Collector-Base Voltage

45

V

VCEO

Collector-Emitter Voltage

15

V

VEBO

Emitter-Base Voltage

3.0

V

IC

Device Current

3.0

A

PDISS

Power Dissipation

37.2

W

TJ

Junction Temperature

+200

°C

TSTG

Storage Temperature

− 65 to +150

°C

RTH(j-c)

Junction-Case Thermal Resistance

4.7

°C/W

SD1895-03

1. Collector

3. Base

2. Emitter

THERMAL DATA

July 1993

1/4

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