P6SMB400A P6SMB400A is a unidirectional TVS diode from Littelfuse, featuring 600W peak pulse power, 342V reverse standoff voltage, and 548V clamping voltage. It comes in a surface-mount DO-214AA (SMB) package.
Mfr Part #:

P6SMB400A

Available from 3 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
P6SMB400A is a unidirectional TVS diode from Littelfuse, featuring 600W peak pulse power, 342V reverse standoff voltage, and 548V clamping voltage. It comes in a surface-mount DO-214AA (SMB) package.
Total Stock: 6,219 pcs

P6SMB400A Available from 3 distributors

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Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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6,000 pcs
6000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
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210 pcs
210 pcs On Request 1 On Request On Request On Request On Request On Request
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9 pcs
9 pcs On Request 1 On Request On Request On Request On Request On Request

P6SMB400A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Applications
Automotive Grade
Current
Halogen Free
Industrial Grade
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Power
Power Line Protection
Reverse Standoff Voltage (Vrwm)
Supplier Device Package
Technology
Type
Unidirectional Channels
Voltage

P6SMB400A Description

Short technical summary and product information.

The P6SMB400A is a 600W unidirectional TVS diode designed to protect sensitive electronic equipment from voltage transients. It offers a reverse standoff voltage of 342V and a maximum clamping voltage of 548V at 1.1A peak pulse current (10/1000µs waveform). Built with Zener technology, it provides fast response time typically less than 1.0ps.

 

The device is suitable for general-purpose applications including I/O interfaces, VCC bus, telecom, computer, industrial, and consumer electronics. It operates over a junction temperature range of -55°C to 150°C and comes in a surface-mount DO-214AA (SMB) package. The package is optimized for minimal PCB space impact and meets MSL level 1 per J-STD-020.

P6SMB400A Quick Information

Product Type: TVS Diode
Series: P6SMB
Canonical Name: P6SMB400A TVS Diode, Unidirectional, 600W, DO-214AA
Subcategory: Unidirectional TVS Diode

P6SMB400A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: Non-Compliant
Lead Free: Yes

P6SMB400A Features

  • Unidirectional Zener TVS diode.
  • 600W peak pulse power capability.
  • 342V reverse standoff voltage.
  • 548V clamping voltage.
  • Surface-mount DO-214AA package.

P6SMB400A Applications

  • Protection of I/O interfaces and VCC bus.
  • Protection in telecom and computer electronics.
  • Industrial and consumer electronics transient suppression.

P6SMB400A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the P6SMB400A?

342V.

What is the clamping voltage of the P6SMB400A?

548V.

What is the peak pulse current rating?

1.1A at 10/1000µs waveform.

What package does the P6SMB400A come in?

DO-214AA (SMB) surface-mount package.

What is the operating temperature range?

-55°C to 150°C (junction).

Is the P6SMB400A unidirectional or bidirectional?

Unidirectional.

What is the peak pulse power rating?

600W at 10/1000µs waveform.

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