English
Language : 

BUF420A Datasheet, PDF (1/6 Pages) STMicroelectronics – HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR
®
BUF420A
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 BUF420A is manufactured using High
Voltage Multi Epitaxial Planar technology for high
switching speeds and high voltage capacity. It
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.
3
2
1
TO-218
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol
VCEV
VCEO
V EBO
IC
ICM
IB
IBM
Ptot
Tstg
Tj
Parameter
Collector-Emitter Voltage (VBE = -1.5V)
Collector-Emitter Voltage (IB = 0)
Emitt er-Base Voltage (IC = 0)
Collector Current
Collector Peak Current (tp < 5 ms)
Base Current
Base Peak Current (tp < 5 ms)
Total Dissipation at Tc = 25 oC
St orage Temperature
Max. Operating Junction Temperature
June 2000
Value
1000
450
7
30
60
6
9
200
-65 to 150
150
Uni t
V
V
V
A
A
A
A
W
oC
oC
1/6