SD1489 查看數據表（PDF） - STMicroelectronics
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SD1489 Datasheet PDF : 5 Pages
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SD1489
RF & MICROWAVE TRANSISTORS
TV/LINEAR APPLICATIONS
. 470 - 860 MHz
. 28 VOLTS
. CLASS AB PUSH PULL
. DESIGNED FOR HIGH POWER LINEAR
OPERATION
. HIGH SATURATED POWER CAPABILITY
. GOLD METALLIZATION
. DIFFUSED EMITTER BALLAST
RESISTORS
. COMMON EMITTER CONFIGURATION
. INTERNAL INPUT MATCHING
. POUT = 50 W MIN. WITH 6.5 dB GAIN
.438 x .450 2LFL (M173)
epoxy sealed
ORDER CODE
B RA ND IN G
SD1489
SD1489
PIN CONNECTION
DESCRIPTION
The SD1489 is a gold metallized epitaxial silicon
NPN planar transistor using diffused emitter ballast
resistors for high linearity Class AB operation in
UHF and Band IV, V television transmitters and
transposers.
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
November 1992
1. Collector
2. Base
3. Emitter
Value
Unit
45
V
30
V
3.0
V
8
A
175
W
+200
°C
− 65 to +150
°C
1.0
°C/W
1/5
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