SMBJ16AHE3_A/I Equivalent & Substitute Parts

Part Overview

The SMBJ16AHE3_A/I is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division, designed for surface mount applications in the DO-214AA (SMB) package. This component provides transient overvoltage protection with a 16V reverse standoff voltage and 26V maximum clamping voltage. The part is currently listed as obsolete, making identification of equivalent and substitute components essential for ongoing design support and procurement.

Substiute Parts

SMBJ16AHE3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 895SMBJ16AHE3_A/I Datasheet

Current PartRFQ

SMBJ16AHE3_B/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 887SMBJ16AHE3_B/I Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMBJ16AHE3_A/I is determined by strict equivalence across the following critical electrical and mechanical parameters:

• Voltage Rating: Reverse standoff voltage of 16V (Typ), breakdown voltage minimum of 17.8V, and maximum clamping voltage of 26V @ Ipp
• Current Handling: Peak pulse current of 23.1A (10/1000µs pulse)
• Power Dissipation: Peak pulse power rating of 600W
• Package: DO-214AA (SMB) surface mount package
• Unidirectional Configuration: Single channel Zener TVS diode
• Compliance: Automotive grade with AEC-Q101 qualification, ROHS3 compliance, and MSL 1 rating

The SMBJ16AHE3_B/I is identified as the manufacturer-recommended substitute. This part maintains identical electrical specifications and package configuration while differing only in product status (Active vs. Obsolete) and packaging format (Tape & Reel vs. standard packaging).

Parameter Comparison

Engineering Selection Recommendations

The SMBJ16AHE3_B/I is the direct equivalent substitute for the obsolete SMBJ16AHE3_A/I. Selection of the substitute is based on the following engineering criteria:

• Electrical Equivalence: All voltage ratings, current handling, and power dissipation specifications are identical across both parts.
• Package Compatibility: Both components use the DO-214AA (SMB) surface mount package, ensuring direct PCB footprint compatibility without layout modifications.
• Compliance and Certification: Both parts maintain Automotive grade classification with AEC-Q101 qualification, ROHS3 compliance, and MSL 1 rating, meeting the same regulatory and environmental requirements.
• Product Availability: The SMBJ16AHE3_B/I is listed as Active, providing ongoing availability and supply chain continuity compared to the Obsolete status of the original part.
• Packaging Consideration: The substitute is supplied in Tape & Reel (TR) format, which is standard for high-volume manufacturing and automated assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the SMBJ16AHE3_B/I be used as a direct replacement for the SMBJ16AHE3_A/I?

A: Yes. The SMBJ16AHE3_B/I is electrically and mechanically equivalent to the SMBJ16AHE3_A/I. All critical parameters including voltage ratings, current handling, power dissipation, package type, and compliance certifications are identical. The parts are interchangeable at the component level.

Q: What is the difference between the SMBJ16AHE3_A/I and SMBJ16AHE3_B/I?

A: The primary differences are product status and packaging format. The SMBJ16AHE3_A/I is Obsolete, while the SMBJ16AHE3_B/I is Active. Additionally, the substitute is supplied in Tape & Reel (TR) format, which is standard for automated assembly. All electrical and mechanical specifications remain identical.

Q: Are there any PCB layout or assembly considerations when switching to the SMBJ16AHE3_B/I?

A: No layout modifications are required. Both parts use the identical DO-214AA (SMB) surface mount package. The Tape & Reel packaging format of the substitute is compatible with standard pick-and-place assembly equipment and does not affect PCB footprint or soldering procedures.

Q: Does the SMBJ16AHE3_B/I meet the same automotive and compliance standards?

A: Yes. The substitute maintains Automotive grade classification, AEC-Q101 qualification, ROHS3 compliance, and MSL 1 rating. Both parts meet identical regulatory and environmental requirements.

Q: Why is the original SMBJ16AHE3_A/I listed as Obsolete?

A: Product obsolescence is determined by the manufacturer based on market demand, production decisions, and product lifecycle management. The availability of the active equivalent SMBJ16AHE3_B/I ensures continued access to this functionality without performance or specification compromise.