SMBJ18A-TR TVS diode from STMicroelectronics featuring 18V reverse standoff voltage, 29.2V clamping voltage, and 600W peak pulse power. Unidirectional, surface mount in DO-214AA (SMB) package.
Mfr Part #:

SMBJ18A-TR

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
TVS diode from STMicroelectronics featuring 18V reverse standoff voltage, 29.2V clamping voltage, and 600W peak pulse power. Unidirectional, surface mount in DO-214AA (SMB) package.
Total Stock: 165,291 pcs
$ Price Range: $0.10 - $0.56

SMBJ18A-TR Available from 3 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
161,364 pcs
161364 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
2,027 pcs
2027 pcs On Request 1 On Request On Request N/A On Request On Request
Non-Authorised Inventory information
1,900 pcs
1900 pcs On Request 1 On Request On Request On Request On Request On Request

SMBJ18A-TR Specifications Quick View

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

SMBJ18A-TR Description

Short technical summary and product information.

The SMBJ18A-TR is a unidirectional Zener TVS diode from STMicroelectronics designed to protect sensitive electronics from voltage transients. It offers an 18V reverse standoff voltage with a clamping voltage of 29.2V at peak pulse current.

 

With a peak pulse power rating of 600W and a peak pulse current of 21.5A, this diode is suitable for general purpose transient voltage suppression. It operates over a temperature range of -55°C to 150°C.

 

The device is surface mountable in a DO-214AA (SMB) package, making it easy to integrate into compact designs. It is RoHS3 compliant and has an MSL of 1 (unlimited).

SMBJ18A-TR Quick Information

Product Type: TVS Diode
Canonical Name: TVS Diode, Zener, Unidirectional, 18V Reverse Standoff, 29.2V Clamping, 600W, DO-214AA (SMB)
Subcategory: Unidirectional TVS Diode

SMBJ18A-TR Compliance

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

SMBJ18A-TR Estimated Pricing

Qty Low High
1+ $0.56 $0.56
10+ $0.32 $0.32
100+ $0.22 $0.22
500+ $0.18 $0.18
1,000+ $0.16 $0.16
2,500+ $0.10 $0.10
5,000+ $0.10 $0.10

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

SMBJ18A-TR Features

  • 18V reverse standoff voltage rating.
  • 29.2V clamping voltage for transient protection.
  • 600W peak pulse power capability.
  • Unidirectional Zener TVS diode.
  • Surface mount DO-214AA (SMB) package.

SMBJ18A-TR Applications

  • General purpose transient voltage suppression.
  • Protects sensitive electronics from voltage spikes.
  • Suitable for 18V rail protection.
  • Used in consumer and industrial equipment.

SMBJ18A-TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SMBJ18A-TR?

18V.

What is the clamping voltage of the SMBJ18A-TR?

29.2V.

What is the peak pulse current rating?

21.5A.

What package is the SMBJ18A-TR available in?

DO-214AA (SMB).

What is the peak pulse power rating?

600W.

How many unidirectional channels does this TVS diode have?

1.

What is the operating temperature range?

-55°C to 150°C.

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