SD1285 Datasheet, PDF (1/3 Pages) STMicroelectronics – RF & MICROWAVE TRANSISTORS HF SSB APPLICATIONS

SD1285
RF & MICROWAVE TRANSISTORS
HF SSB APPLICATIONS
...... 30 MHz
12.5 VOLTS
COMMON EMITTER
GOLD METALLIZATION
IMD − 30 dB
POUT = 20 W MIN. WITH 15 dB GAIN
.380 4LFL (M113)
epoxy sealed
ORDER CODE
SD1285
BRANDING
SD1285
PIN CONNECTION
DESCRIPTION
The SD1285 is a 12.5 V epitaxial NPN planar
transistor designed primarily for SSB communica-
tions. This device utilizes emitter ballasting to
achieve extreme ruggedness under severe oper-
ating conditions.
ABSOLUTE MAXIMUM RATINGS (Tcase = 25^°C)
Symbol
Parameter
VCBO
Collector-Base Voltage
VCEO
Collector-Emitter Voltage
VEBO
Emitter-Base Voltage
IC
PDISS
Device Current
Power Dissipation
TJ
Junction Temperature
TSTG
Storage Temperature
THERMAL DATA
RTH(j-c) Junction-Case Thermal Resistance
October 1992
1. Collector
2. Emitter
3. Base
4. Emitter
Value
Unit
36
V
18
V
4.0
V
4.5
A
80
W
+200
°_C
− 65 to +150
°_C
2.2
°C/W
1/3