SD1731-14 查看數據表（PDF） - STMicroelectronics
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SD1731-14 Datasheet PDF : 5 Pages
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SD1731-14 (ST448)
RF & MICROWAVE TRANSISTORS
.......OPTIMIZED FOR SSB
30 MHz
50 VOLTS
EFFICIENCY 40%
COMMON EMITTER
GOLD METALLIZATION
POUT = 250 W PEP WITH 12 dB GAIN
HF SSB APPLICATIONS
PRELIMINARY DATA
.50 0 4LF L (M17 4 )
epoxy sealed
ORDE R CODE
SD1731-14
B R AN DING
ST448
PIN CONNECTION
DE SC RI P TI O N
The SD1731 is a 50 V epitaxial silicon NPN planar
transistor designed primarily for SSB communica-
tions. This device utilizes emitter ballasting for im-
proved ruggedness and reliability.
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C)
Sy mb o l
Parameter
VCBO
Collector-Base Voltage
VCEO
Collector-Emitter Voltage
VEBO
Emitter-Base Voltage
IC
PD IS S
TJ
Device Current
Power Dissipation (Theatsink ≤ 25°C)
Junction Temperature
TSTG
Storage Temperature
THERMAL DATA
RTH(j-c) Junction-Case Thermal Resistance
RTH(c-s) Case-Heatsink Thermal Resistance
S e pte m ber 6, 1 99 6
1. Collector
2. Emitter
3. Base
4. Emitter
Va l u e
110
55
4.0
20
257
+200
− 65 to +150
0.48
0.2
Unit
V
V
V
A
W
°C
°C
°C/W
°C/W
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