BUF420M

Maximum Operating Frequency :
DC Collector/Base Gain hfe Min :
Transistor Polarity : NPN
Configuration : Single
Maximum Operating Temperature : + 150 C
Mounting Style : Through Hole
Packaging : Tube
Emitter- Base Voltage VEBO : 7 V
Collector- Emitter Voltage VCEO Max : 450 V
Package / Case : TO-3
Maximum DC Collector Current : 30 A


Features:

 STMicroelectronics PREFERRED SALESTYPE
 HIGH VOLTAGE CAPABILITY
 VERY HIGH SWITCHING SPEED
 MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION
 LOW BASE-DRIVE REQUIREMENTS


Application

 SWITCH MODE POWER SUPPLIES
 MOTOR CONTROL


Specifications

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	275	W
Tstg	Storage Temperature	-65 to 200
Tj	Max. Operating Junction Temperature	200

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 BUF420M is designed for use in high-frequency power supplies and motor control applications.


Parameters:

Technical/Catalog Information	BUF420M
Vendor	STMicroelectronics
Category	Discrete Semiconductor Products
Transistor Type	NPN
Voltage - Collector Emitter Breakdown (Max)	450V
Current - Collector (Ic) (Max)	30A
Power - Max	275W
DC Current Gain (hFE) (Min) @ Ic, Vce	-
Vce Saturation (Max) @ Ib, Ic	800mV @ 1A, 10A
Frequency - Transition	-
Current - Collector Cutoff (Max)	-
Mounting Type	Chassis Mount
Package / Case	TO-204, TO-3
Packaging	Tube
Drawing Number	*
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	BUF420M BUF420M 497 4086 5 ND 49740865ND 497-4086-5