August 23, 1996
RF & MICROWAVE TRANSISTORS
UHF BASE STATION APPLICATIONS
.470 MHZ
.24 VOLTS
.EFFICIENCY 50% MIN.
.P
OUT =
15W WITH11.0dBMIN.GAIN
.CLASS AB
.COMMON EMITTER
P RELIMINARY DATA
DESCRIPTION
The SD1391 is a gold metallized NPN planar tran-
sistor using diffused emitter ballast resistors for
reliability and ruggedness.
The SD1391 is specifically designed as a low
power, high gain driver and can be operated in
Class A, B or C.
PIN CONNECTION
ABSOLUTE MAXIMUM RATINGS (T
case
= 25
°
C)
Symbol Parameter Value Unit
V
CBO
Collector-Base Voltage 48 V
VCEO Collector-Emitter Voltage 25 V
V
EBO
Emitter-Base Voltage 3.5 V
I
C
Collector Current 2.5 A
P
DISS
Power Dissipation (+25°C) 29 W
TJ Junction Temperature +200
°
C
T
STG
Storage Temperature
− 65 to +150
°
C
RTH(j-c) Junction-Case Thermal Resistance 6.0 °C/W
SD1391
1. Collector 3. Emitter
2. Base
THERMAL DATA
.2 30 x .3 60 6LF L (M14 2)
ORDER CODE
SD1391
BRANDING
SD1391
1/5