SMBJ13AHE3_A/I Equivalent & Substitute Parts

Part Overview

The SMBJ13AHE3_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 13V reverse standoff voltage and 21.5V maximum clamping voltage at peak pulse current of 27.9A.

The SMBJ13AHE3_A/I carries an Obsolete product status. Identifying equivalent substitute parts ensures design continuity and supply chain reliability for applications requiring this specific voltage suppression performance.

Substiute Parts

SMBJ13AHE3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 821SMBJ13AHE3_A/I Datasheet

Current PartRFQ

SMBJ13AHE3_B/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 799SMBJ13AHE3_B/I Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMBJ13AHE3_A/I is determined by strict equivalence across the following critical parameters:

• Voltage - Reverse Standoff: 13V (±tolerance)
• Voltage - Clamping (Max) @ Ipp: 21.5V
• Current - Peak Pulse (10/1000µs): 27.9A
• Power - Peak Pulse: 600W
• Package / Case: DO-214AA, SMB
• Type: Unidirectional Zener
• Operating Temperature Range: -55°C ~ 150°C (TJ)
• Grade: Automotive
• Qualification: AEC-Q101

The SMBJ13AHE3_B/I is classified as a manufacturer-recommended substitute. This part maintains identical electrical performance specifications and package configuration while differing only in packaging format (Tape & Reel) and product status (Active vs. Obsolete).

Parameter Comparison

Engineering Selection Recommendations

The SMBJ13AHE3_B/I is the direct substitute for the obsolete SMBJ13AHE3_A/I. Both parts are manufactured by Vishay and maintain identical electrical specifications, thermal operating range, and automotive-grade qualification (AEC-Q101). The substitute part carries Active product status, ensuring continued availability and supply chain support.

Both parts comply with ROHS3 and REACH requirements, making them suitable for applications subject to environmental regulations. The transition from the obsolete variant to the active variant presents no functional or performance degradation in circuit operation.

Frequently Asked Questions (FAQ)

Q: Can SMBJ13AHE3_B/I be used as a direct replacement for SMBJ13AHE3_A/I?

A: Yes. Both parts are electrically and mechanically identical. The primary difference is product status (Active vs. Obsolete) and packaging format (Tape & Reel vs. standard packaging). Electrical performance, voltage ratings, current handling, and thermal characteristics are equivalent.

Q: What is the significance of the packaging difference between these parts?

A: The SMBJ13AHE3_A/I uses standard packaging, while the SMBJ13AHE3_B/I is supplied in Tape & Reel format. Tape & Reel packaging is standard for high-volume automated assembly processes. Both formats contain the identical component in the DO-214AA (SMB) package.

Q: Are there any compliance or certification differences?

A: No. Both parts carry identical certifications: AEC-Q101 automotive qualification, ROHS3 compliance, and REACH Unaffected status. They are suitable for the same applications and regulatory environments.

Q: Why is the original part marked as Obsolete?

A: Product obsolescence typically reflects manufacturing discontinuation. The SMBJ13AHE3_B/I remains in active production and provides equivalent performance, making it the recommended path for new designs and component replenishment.

Q: Are there any thermal or operating condition limitations when substituting?

A: No. Both parts operate across the identical temperature range (-55°C ~ 150°C junction temperature) and maintain the same power dissipation rating (600W peak pulse). Thermal performance is equivalent.