BUF405 The STMicroelectronics BUF405 is a high-voltage, fast-switching NPN power transistor. It offers a robust 80W power dissipation and operates across a wide temperature range.
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BUF405

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics BUF405 is a high-voltage, fast-switching NPN power transistor. It offers a robust 80W power dissipation and operates across a wide temperature range.
✓ Total Stock: 8 pcs
$ Price Range: $1.20

BUF405 Available from 1 distributor

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✓ Non-Authorised
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BUF405 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Operating Temperature

BUF405 Description

Short technical summary and product information.

The STMicroelectronics BUF405 is a high-voltage, fast-switching NPN power transistor designed for demanding applications. It features a collector-emitter voltage (Vceo) of 450V and an average collector current (Ic av.) of 7.5A, with a maximum power dissipation (Ptot) of 80W.

 

This transistor operates reliably within a temperature range of 0°C to 150°C, making it suitable for various environmental conditions. Key electrical characteristics include a maximum collector-emitter saturation voltage (Vce sat) of 2.8V and a fall time of 0.1µs.

 

The BUF405 is classified under the category of Buffers, Drivers, Receivers, Transceivers. Its specifications make it a suitable component for power supply circuits, switching applications, and other high-voltage electronic designs where reliable performance is critical.

BUF405 Quick Information

Product Type: NPN Power Transistor
Series: BUF405
Canonical Name: BUF405 HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR
Subcategory: Buffers, Drivers, Receivers, Transceivers

BUF405 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BUF405 Estimated Pricing

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1+ $1.20 $1.20

Estimated market price range - modelled values for guidance only, not live distributor offers.

BUF405 Features

  • High voltage NPN power transistor.
  • 450V Vceo, 7.5A Ic av.
  • 80W maximum power dissipation.
  • Wide operating temperature range.
  • Fast switching characteristics.

BUF405 Applications

  • Power supply circuits.
  • High-voltage switching applications.
  • General purpose amplification.
  • Fast switching designs.

BUF405 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating temperature range for the BUF405 transistor?

The BUF405 transistor operates from 0°C to 150°C.

What is the maximum collector-emitter voltage (Vceo) for the BUF405?

The maximum collector-emitter voltage (Vceo) for the BUF405 is 450V.

What is the average collector current (Ic av.) of the BUF405?

The average collector current (Ic av.) of the BUF405 is 7.5A.

What is the power dissipation rating of the BUF405 transistor?

The BUF405 transistor has a power dissipation (Ptot) rating of 80W.

What is the RoHS status of the BUF405?

The BUF405 is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the BUF405?

The Moisture Sensitivity Level (MSL) for the BUF405 is 1 Unlimited.

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