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BUF420 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. BUF420
Description  HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

BUF420 Datasheet(HTML) 1 Page - STMicroelectronics

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BUF420
BUF420M
HIGH VOLTAGE FAST-SWITCHING
NPN POWER TRANSISTOR
s
SGS-THOMSON PREFERRED SALESTYPES
s
NPN TRANSISTOR
s
HIGH VOLTAGE CAPABILITY
s
VERY HIGH SWITCHING SPEED
s
MINIMUM LOT-TO-LOT SPREAD FOR
RELIABLE OPERATION
s
LOW BASE-DRIVE REQUIREMENTS
APPLICATIONS:
s
SWITCH MODE POWER SUPPLIES
s
MOTOR CONTROL
DESCRIPTION
The BUF420 and BUF420M are manufactured
using
High
Voltage
Multi
Epitaxial
Planar
technology for high switching speeds and high
voltage capacity. They use a Cellular Emitter
structure with planar edge termination to enhance
switching speeds while maintaining a
wide
RBSOA.
The
BUF
series
is
designed for
use
in
high-frequency power supplies and motor control
applications.
INTERNAL SCHEMATIC DIAGRAM
July 1997
ABSOLUTE MAXIMUM RATINGS
Symb ol
Parameter
Valu e
Un it
VCEV
Collect or-Emitter Volt age (VBE = -1.5 V)
850
V
VCEO
Collect or-Emitter Volt age (IB = 0)
450
V
VEBO
Emitter-Base Volt age (IC =0)
7
V
IC
Collect or Current
30
A
ICM
Collect or Peak Current (tp <5 ms)
60
A
IB
Base Current
6
A
IBM
Base Peak Current (tp <5 ms)
9
A
T O-218
TO -3
Ptot
T otal Dissipation at Tc =25
oC
200
200
W
Tstg
Storage Temperature
-65 to 150
oC
Tj
Max O perat ion Junction Temperat ure
150
oC
1
2
3
TO-218
TO-3
(version ”R”)
1
2
For TO-3 :
C = Tab
E = Pin2.
1/7


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