MSC0936.PDF 10-15-98

SD1127

DESCRIPTION:

DESCRIPTION:

THE SD1127 IS A 12.5 VOLT SILICON NPN PLANAR TRANSISTOR DESIGNED FOR

ECONOMICAL VHF COMMUNICATIONS. THE TRANSISTOR CHIP IS MOUNTED ON A

BERYLLIUM OXIDE TAB TO ISOLATE THE COLLECTOR LEAD ALLOWING A GROUNDED

EMITTER CONFIGURATION FOR HIGH GAIN AND EXCELLENT HEAT DISSIPATION.

ABSOLUTE MAXIMUM RATINGS

ABSOLUTE MAXIMUM RATINGS (Tcase = 25ºC)

Symbol

Parameter

Value

Unit

Total Power Dissipation *

8.0

W

Collector-base Voltage

36

V

18

V

Collector Current *

0.64

A

Storage Temperature

-65 to 200

Junction Temperature

200

*At RF Conditions

Thermal Data

Thermal Data

)

Thermal Resistance Junction-case

21.9

°°C/W

Features

•• DESIGNED FOR VHF MILITARY AND COMMERCIAL

EQUIPMENT

•• 4.0 WATTS (MIN) WITH GREATER THAN 10 dB GAIN

•• GROUNDED EMITTER CONFIGURATION

RF & MICROWAVE TRANSISTORS

VHF COMMUNICATIONS

140 COMMERCE DRIVE

MONTGOMERYVILLE, PA

18936-1013

PHONE: (215) 631-9840

FAX: (215) 631-9855