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PDF ST448 Data sheet ( Hoja de datos )
| Número de pieza | ST448 | |
| Descripción | RF & MICROWAVE TRANSISTORS HF SSB APPLICATIONS | |
| Fabricantes | SGS Thomson | |
| Logotipo |  |
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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
1 page  
PACKAGE MECHANICAL DATA
Ref.: Dwg. No.12-0174
UDCS No. 1011000 r ev. C
SD1731-14 (ST448)
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use.
No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications
mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously
supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems
without express written approval of SGS-THOMSON Microelectronics.
©1996 SGS-THOMSON Microelectronics - All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
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5/5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet ST448.PDF ] | |
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