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SGSIF444 Datasheet(PDF) 1 Page - STMicroelectronics

Part # SGSIF444
Description  HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTORS
PDF  7 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SGSIF444 Datasheet(HTML) 1 Page - STMicroelectronics

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SGSIF344
SGSIF444
HIGH VOLTAGE FAST-SWITCHING
NPN POWER TRANSISTORS
s
SGSIF344 IS SGS-THOMSON PREFERRED
SALESTYPE
s
HIGH VOLTAGE CAPABILITY
s
VERY HIGH SWITCHING SPEED
s
LOW BASE-DRIVE REQUIREMENTS
APPLICATIONS:
s
SWITCH MODE POWER SUPPLIES
s
HORIZONTAL DEFLECTION FOR COLOUR
TVS AND MONITORS
DESCRIPTION
The SGSIF344 and SGSIF444 are manufactured
using
Multiepitaxial
Mesa
technology
for
cost-effective high performance and uses a
Hollow Emitter structure to enhance switching
speeds.
These transistors are available in ISOWATT220
and ISOWATT218 plastic package respectively.
The SGSF series is designed for high speed
switching applications such as power supplies
and horizontal deflection circuits in TVs and
monitors.
INTERNAL SCHEMATIC DIAGRAM
June 1997
ABSOLUTE MAXIMUM RATINGS
Symb ol
Parameter
Valu e
Un it
SGSIF344
SGSIF 444
VCES
Collect or-Emitter Volt age (VBE = 0)
1200
V
VCEO
Collect or-Emitter Volt age (IB = 0)
600
V
VEBO
Emitter-Base Volt age (IC =0)
7
V
IC
Collect or Current
7
A
ICM
Collect or Peak Current (tp <5 ms)
12
A
IB
Base Current
5
A
IBM
Base Peak Current (tp <5 ms)
8
A
Ptot
T otal Dissipation at Tc =25
oC40
50
W
Tstg
Storage Temperature
-65 to 150
oC
Tj
Max. Operating Junction T emperature
150
oC
ISOWATT220
ISOWATT218
1
2
3
1
2
3
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