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SMBJ12A Bourns SMBJ12A is a 600W unidirectional TVS diode with 12V reverse standoff voltage and 19.9V clamping voltage, housed in a surface mount SMB (DO-214AA) package.
Mfr Part #:

SMBJ12A

Available from 1 distributors
Mfr Name: Bourns
Bourns
Bourns SMBJ12A is a 600W unidirectional TVS diode with 12V reverse standoff voltage and 19.9V clamping voltage, housed in a surface mount SMB (DO-214AA) package.
✓ Total Stock: 661 pcs

SMBJ12A Available from 1 distributor

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✓ Non-Authorised
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Tomark Electronics Ltd ✓
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661 pcs
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661 pcs On Request 1 On Request On Request On Request On Request On Request
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SMBJ12A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Mounting Type
Operating Temperature
Peak Forward Surge Current
Power
Power Line Protection
Prop 65
Response Time
SVHC Present
Storage Temperature
Supplier Device Package
Tape & Reel
Type
Unidirectional Channels
Voltage
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SMBJ12A Description

Short technical summary and product information.

The Bourns SMBJ12A is a unidirectional transient voltage suppressor diode designed for general purpose surge and ESD protection. It features a working peak reverse voltage of 12V and a maximum clamping voltage of 19.9V at a peak pulse current of 30.2A. With a peak pulse power dissipation of 600W (1ms), it provides robust protection against voltage transients.

 

This device is housed in a compact DO-214AA (SMB) surface mount package, suitable for automated assembly. It offers a fast response time of less than 1 picosecond for unidirectional configurations. The operating temperature range spans -55°C to +150°C, making it suitable for demanding environments.

 

The SMBJ12A is RoHS3 compliant and meets IEC 61000-4-2, IEC 61000-4-4, and IEC 61000-4-5 standards for ESD, EFT, and surge immunity. It is ideal for use in portable communications, computing, and video equipment where space is limited.

SMBJ12A Quick Information

Product Type: TVS Diode
Series: SMBJ
Canonical Name: Bourns SMBJ12A TVS Diode
Subcategory: Unidirectional TVS

SMBJ12A Compliance

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

SMBJ12A Features

  • 600W peak pulse power dissipation.
  • 12V reverse standoff voltage rating.
  • 19.9V maximum clamping voltage.
  • Surface mount SMB (DO-214AA) package.
  • Fast response time under 1 picosecond.

SMBJ12A Applications

  • Protects power supply lines from surges.
  • Used in portable communication devices.
  • Ideal for computing and video equipment.
  • Suitable for ESD and EFT protection.

SMBJ12A FAQs

5 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SMBJ12A?

The reverse standoff voltage (Vrwm) is 12V.

What is the clamping voltage of the SMBJ12A?

The maximum clamping voltage is 19.9V.

What is the peak pulse power rating of the SMBJ12A?

The peak pulse power dissipation is 600W.

What package does the SMBJ12A come in?

The SMBJ12A is available in a DO-214AA (SMB) surface mount package.

What is the peak pulse current rating of the SMBJ12A?

The peak pulse current (Ipp) is 30.2A.

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