SD1897 データシートの表示（PDF） - STMicroelectronics
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SD1897 Datasheet PDF : 4 Pages
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SD1897
RF & MICROWAVE TRANSISTORS
1.65 GHz SATCOM APPLICATIONS
.....1.65 GHz
28 VOLTS
CLASS C OPERATION
COMMON BASE
POUT = 10 W MIN. WITH 11.0 dB GAIN
.250 x .320 2LFL (M170)
epoxy sealed
ORDER CODE
B RA ND IN G
SD1897
1897
PIN CONNECTION
DESCRIPTION
The SD1897 is a 28 V Class C silicon NPN tran-
sistor designed for INMARSAT and other 1.65 GHz
SATCOM applications. A gold metallized emitter-
ballasted die geometry is employed providing high
gain and efficiency while ensuring long term re-
liability and ruggedness under severe operating
conditions. SD1897 is packaged in a cost-effective
epoxy sealed housing.
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C)
Symb ol
Parameter
VCBO
VCEO
VEBO
IC
PDISS
TJ
TSTG
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Device Current
Power Dissipation
Junction Temperature
Storage Temperature
THERMAL DATA
RTH(j-c) Junction-Case Thermal Resistance
July 1993
1. Collector
2. Emitter
3. Base
Value
Unit
45
V
15
V
3.5
V
2.3
A
29
W
+200
°C
− 65 to +150
°C
6.0
°C/W
1/4
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