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BUF420M Datasheet(PDF) 1 Page - STMicroelectronics

Part # BUF420M
Description  HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR
PDF  8 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

BUF420M Datasheet(HTML) 1 Page - STMicroelectronics

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BUF420M
HIGH VOLTAGE FAST-SWITCHING
NPN POWER TRANSISTOR
s
STMicroelectronics PREFERRED
SALESTYPE
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 BUF420M is manufactured using High
Voltage Multi Epitaxial Planar technology for high
switching speeds and high voltage capacity. It
uses 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
March 2002
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCEV
Collector-Emitter Voltage (VBE = -1.5V)
850
V
VCEO
Collector-Emitter Voltage (IB = 0)
450
V
VEBO
Emitter-Base Voltage (IC = 0)
7
V
IC
Collector Current
30
A
ICM
Collector Peak Current (tp < 5 ms)
60
A
IB
Base Current
6
A
IBM
Base Peak Current (tp < 5 ms)
9
A
Ptot
Total Dissipation at Tc = 25
oC
275
W
Tstg
Storage Temperature
-65 to 200
o C
Tj
Max. Operating Junction Temperature
200
o C
1
2
TO-3
(version "R")
1/8


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