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SD1285 Datasheet(PDF) 1 Page - STMicroelectronics

Part # SD1285
Description  RF & MICROWAVE TRANSISTORS HF SSB APPLICATIONS
PDF  3 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SD1285 Datasheet(HTML) 1 Page - STMicroelectronics

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HF SSB APPLICATIONS
RF & MICROWAVE TRANSISTORS
.380 4LFL (M113)
epoxy sealed
.
30 MHz
.
12.5 VOLTS
.
COMMON EMITTER
.
GOLD METALLIZATION
.
IMD
− 30 dB
.
POUT
= 20 W MIN. WITH 15 dB GAIN
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.
PIN CONNECTION
BRANDING
SD1285
ORDER CODE
SD1285
ABSOLUTE MAXIMUM RATINGS (Tcase
= 25°C)
Symbol
Parameter
Value
Unit
VCBO
Collector-Base Voltage
36
V
VCEO
Collector-Emitter Voltage
18
V
VEBO
Emitter-Base Voltage
4.0
V
IC
Device Current
4.5
A
PDISS
Power Dissipation
80
W
TJ
Junction Temperature
+200
°C
TSTG
Storage Temperature
− 65 to +150
°C
RTH(j-c)
Junction-Case Thermal Resistance
2.2
°C/W
SD1285
1. Collector
3. Base
2. Emitter
4. Emitter
THERMAL DATA
October 1992
1/3


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