Microsemi

RF Products Division

140 Commerce Drive, Montgomeryville PA 18936, (215) 631-9840, Fax: (215) 631-9855

Page 1

Copyright

 2000

MSCXXXX.PDF 2000-11-28

SD1143

RF & MICROWAVE TRANSISTORS

R F P R O D UCT S DI VI SI ON

DESCRIP T ION

DESCRIP T ION

DESCRIP T ION

DESCRIP T ION

The SD1143 is a 12.2 V Class C epitaxial silicon NPN planar

transistor designed primarily for VHF Communications. It withstands

very high VSWR under operating conditions.

IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com

KEY FEATURE S

KEY FEATURE S

KEY FEATURE S

KEY FEATURE S

!"175 MHz

!"12.5 Volts

!"Common Emitter

!"

!"

APPLICATIONS/BENEFIT

APPLICATIONS/BENEFIT

APPLICATIONS/BENEFIT

APPLICATIONS/BENEFITS

SS

S

!"VHF Mobile

Applications

Symbol

Parameter

Value

Unit

Collector-Base Voltage

36

V

Collector-Emitter Voltage

18

V

Collector-Emitter Voltage

36

V

Emitter-Base Voltage

4.0

V

Device Current

2.0

A

Power Dissipation

20

W

Junction Temperature

+200

°C

Storage Temperature

-65 to +150

°C

THERMAL DATA

Junction-Case Thermal Resistance

8.75

°C/W