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Updated at 16/07/2025 10:30:15(UTC+8)

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Description

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.
■ STMicroelectronics PREFERRED SALESTYPE
■ HIGH VOLTAGE CAPABILITY
■ VERY HIGH SWITCHING SPEED
■ MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION
■ LOW BASE-DRIVE REQUIREMENTS
APPLICATIONS:
■ SWITCH MODE POWER SUPPLIES
■ MOTOR CONTROL

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BUF420 Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Case/Package	TO-218-3
Polarity	NPN
Power Dissipation	200000 mW
Breakdown Voltage (Collector to Emitter)	450 V
Continuous Collector Current	30A
Operating Temperature (Max)	150 ℃
	Show
Product Lifecycle Status	Unknown
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

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- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- Carefully inspected and packed by ManyChip warehouse
- Vacuum packaging
- Anti-static packaging
- Shockproof foam
The terms here are for reference only, the actual terms are subject to the sales quotation.
- Please confirm product specifications when ordering.
- MOQ refers to the minimum order quantity required to purchase each part.
- If you have special ordering instructions, please indicate them on the ordering page.
- Inspection (PSI) will be performed prior to shipment.
- Income Quality Control (IQC), 1000+ qualified dealers.
- Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray control
- XRF inspection
- Electrical testing
- Surface testing
-Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity

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