BZW04-37 BZW04-37 is a 400W unidirectional TVS diode with 36.8V stand-off voltage and 59.3V clamping voltage, in a DO-204AL (DO-41) through-hole package.
Mfr Part #:

BZW04-37

Available from 1 distributors
Mfr Name: Taiwan Semiconductor
Taiwan Semiconductor
BZW04-37 is a 400W unidirectional TVS diode with 36.8V stand-off voltage and 59.3V clamping voltage, in a DO-204AL (DO-41) through-hole package.
✓ Total Stock: 4 pcs

BZW04-37 Available from 1 distributor

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BZW04-37 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Applications
Automotive Grade
Conflict Minerals
Current
Industrial Grade
Junction Temperature
Lead Style
Military Grade
Mounting Type
Operating Temperature
Package / Case
Peak Forward Surge Current
Power
Power Line Protection
SVHC Present
Supplier Device Package
Tape & Reel
Termination Style
Type
Unidirectional Channels
Voltage

BZW04-37 Description

Short technical summary and product information.

The BZW04-37 is a unidirectional transient voltage suppressor (TVS) diode designed for overvoltage and ESD protection in commercial and industrial applications. It features a stand-off voltage (VWM) of 36.8V, a minimum breakdown voltage of 41.1V, and a maximum clamping voltage of 59.3V at a peak pulse current of 6.7A (10/1000µs waveform). The device can handle a peak pulse power dissipation of 400W under the same waveform conditions, with a steady-state power dissipation of 1.0W at 75°C ambient. The diode offers very fast response time and is rated for junction temperatures up to 175°C. It is supplied in a through-hole DO-204AL (DO-41) axial-lead package, suitable for general-purpose circuit protection. The part is RoHS compliant (exemption 7a) and meets REACH and Conflict Minerals requirements per the datasheet.

BZW04-37 Quick Information

Product Type: TVS Diode (Transient Voltage Suppressor)
Series: BZW04
Canonical Name: BZW04-37 TVS Diode, Unidirectional, 36.8V Stand-off, 400W, DO-204AL
Subcategory: Unidirectional TVS Diode

BZW04-37 Compliance

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

BZW04-37 Features

  • 400W peak pulse power dissipation (10/1000µs).
  • 36.8V stand-off voltage with 59.3V clamping.
  • Unidirectional TVS diode with single channel.
  • Through-hole DO-204AL (DO-41) package.
  • High temperature operation up to 175°C.

BZW04-37 Applications

  • Overvoltage protection for sensitive electronics.
  • ESD protection in commercial and industrial equipment.
  • Free-wheeling diode applications.
  • General purpose circuit protection.

BZW04-37 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the stand-off voltage of BZW04-37?

The stand-off voltage (VWM) is 36.8V maximum.

What is the breakdown voltage of BZW04-37?

The minimum breakdown voltage (VBR) is 41.1V.

What is the clamping voltage of BZW04-37?

The maximum clamping voltage is 59.3V at 6.7A peak pulse current.

What is the peak pulse current rating of BZW04-37?

The peak pulse current is 6.7A for a 10/1000µs waveform.

What is the peak pulse power rating of BZW04-37?

The peak pulse power dissipation is 400W for a 10/1000µs waveform.

What package is BZW04-37 available in?

The diode is available in a DO-204AL (DO-41) axial through-hole package.

What is the operating temperature range of BZW04-37?

The operating junction temperature range is -55°C to 175°C.

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