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SD1538-08

RF & MICROWAVE TRANSISTORS AVIONICS APPLICATIONS

STMicroelectronics 

SD1538-08

RF & MICROWAVE TRANSISTORS

AVIONICS APPLICATIONS

. DESIGNED FOR HIGH POWER PULSE

IFF, DME, AND TACAN APPLICATIONS

. 200 W (typ.) IFF 1030 - 1090 MHz

. 150 W (min.) DME 1025 - 1150 MHz

. 140 W (typ.) TACAN 960 - 1215 MHz

. 7.8 dB MIN. GAIN

. REFRACTORY GOLD METALLIZATION

. BALLASTING AND LOW THERMAL

RESISTANCE FOR RELIABILITY AND

RUGGEDNESS

. 30:1 LOAD VSWR CAPABILITY AT

SPECIFIED OPERATING CONDITIONS

. INPUT AND OUTPUT MATCHED,

COMMON BASE CONFIGURATION

.400 x .400 2LFL (M138)

hermetically sealed

ORDER CODE

B RA ND IN G

SD1538-08

1538-8

PIN CONNECTION

DESCRIPTION

The SD1538-08 is a gold metallized, silicon NPN

power transistor. The SD1538-08 is designed for

applications requiring high peak power and low

duty cycles such as IFF, DME and TACAN. The

SD1538-08 is packaged in a metal/ceramic pack-

age with internal input/output matching, resulting

in improved broadband performance and low ther-

mal resistance.

ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C)

Symb ol

Parameter

VCBO

VCES

VEBO

IC

PDISS

TJ

TSTG

Collector-Base Voltage

Collector-Emitter Voltage

Emitter-Base Voltage

Device Current

Power Dissipation

Junction Temperature

Storage Temperature

THERMAL DATA

RTH(j-c) Junction-Case Thermal Resistance

September 6, 1994

1. Collector

2. Base

3. Emitter

4. Base

Value

Unit

65

V

65

V

3.5

V

11

A

583

W

+200

°C

− 65 to +150

°C

0.30

°C/W

1/5

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