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

SMBJ12A

Available from 8 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
SMBJ12A is a 600W unidirectional TVS diode from Littelfuse with a 12V reverse standoff voltage and 19.9V clamping voltage. It is housed in a surface mount DO-214AA (SMB) package.
Total Stock: 32,750 pcs
$ Price Range: $0.07 - $0.49

SMBJ12A Available from 8 distributors

Authorised
Non-Authorised

SMBJ12A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Halogen Free
Mounting Type
Operating Temperature
Power
Power Line Protection
Reverse Standoff Voltage (Vrwm)
Supplier Device Package
Tape & Reel
Type
Unidirectional Channels
Voltage

SMBJ12A Description

Short technical summary and product information.

The SMBJ12A is a unidirectional transient voltage suppressor diode from Littelfuse designed to protect sensitive electronics from voltage transients. It features a reverse standoff voltage of 12V and a maximum clamping voltage of 19.9V at a peak pulse current of 30.2A. With a peak pulse power rating of 600W, it provides robust surge protection for general purpose applications.

 

The device is housed in a compact DO-214AA (SMB) surface mount package, making it suitable for automated assembly processes. It operates over a wide temperature range of -65°C to 150°C. The SMBJ12A is RoHS3 compliant and REACH unaffected, supporting environmentally conscious designs.

SMBJ12A Quick Information

Product Type: TVS Diode
Series: SMBJ
Canonical Name: SMBJ12A Littelfuse TVS Diode, 12V Reverse Standoff, 600W, DO-214AA (SMB)
Subcategory: Unidirectional TVS

SMBJ12A Compliance

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

SMBJ12A Estimated Pricing

Qty Low High
1+ $0.49 $0.49
10+ $0.30 $0.30
100+ $0.19 $0.19
500+ $0.14 $0.14
1,000+ $0.13 $0.13
3,000+ $0.09 $0.09
6,000+ $0.08 $0.08
9,000+ $0.08 $0.08
15,000+ $0.07 $0.07
21,000+ $0.07 $0.07
30,000+ $0.07 $0.07

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

SMBJ12A Features

  • 600W peak pulse power dissipation.
  • 12V reverse standoff voltage rating.
  • 19.9V clamping voltage at 30.2A.
  • Surface mount DO-214AA (SMB) package.
  • RoHS3 compliant and REACH unaffected.

SMBJ12A Applications

  • General purpose transient voltage suppression.
  • Protection for 12V DC power rails.
  • Surge protection in consumer electronics.
  • ESD protection for I/O interfaces.

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 maximum clamping voltage of the SMBJ12A?

The maximum clamping voltage is 19.9V at a peak pulse current of 30.2A.

What is the peak pulse power rating of the SMBJ12A?

The peak pulse power (Ppp) is 600W.

What package is the SMBJ12A available in?

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

What is the operating temperature range of the SMBJ12A?

The operating temperature range is -65°C to 150°C (junction temperature).

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