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SD1897 fiches techniques PDF

ST Microelectronics - RF & MICROWAVE TRANSISTORS 1.65 GHz SATCOM APPLICATIONS

Numéro de référence SD1897
Description RF & MICROWAVE TRANSISTORS 1.65 GHz SATCOM APPLICATIONS
Fabricant ST Microelectronics 
Logo ST Microelectronics 





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SD1897 fiche technique
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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
DataSheet4U.com
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.
1. Collector
2. Emitter
3. Base
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
Value
45
15
3.5
2.3
29
+200
65 to +150
Unit
V
V
V
A
W
°C
°C
THERMAL DATA
DataSheet4U.com RTH(j-c)
Junction-Case Thermal Resistance
July 1993
DataSheet4 U .com
6.0
DataSheet4U.com
°C/W
1/4
DataShee

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