P6SMB12AHM3_A/I Equivalent & Substitute Parts

Part Overview

The P6SMB12AHM3_A/I is a unidirectional Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, designed for telecom applications. This component features a 10.2V reverse standoff voltage with 16.7V maximum clamping voltage and 35.9A peak pulse current capability in a surface mount DO-214AA (SMB) package. The part is currently classified as obsolete, making identification of active equivalent substitutes essential for ongoing design support and procurement.

Substiute Parts

P6SMB12AHM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 709P6SMB12AHM3_A/I Datasheet

Current PartRFQ

P6SMB12AHM3_B/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 774P6SMB12AHM3_B/I Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P6SMB12AHM3_A/I is determined by strict equivalence across the following critical parameters:

• Voltage Rating: Reverse standoff voltage of 10.2V, breakdown minimum of 11.4V, and clamping voltage maximum of 16.7V must remain identical
• Current Handling: Peak pulse current of 35.9A (10/1000µs) must be maintained
• Power Dissipation: Peak pulse power rating of 600W must be preserved
• Package Compatibility: DO-214AA (SMB) surface mount package is mandatory
• Electrical Configuration: Unidirectional (single channel) Zener TVS diode topology
• Compliance & Certification: AEC-Q101 automotive qualification and ROHS3 compliance required

The P6SMB12AHM3_B/I is identified as the manufacturer-recommended substitute, maintaining identical electrical specifications while transitioning from obsolete to active product status.

Parameter Comparison

Engineering Selection Recommendations

The P6SMB12AHM3_B/I is the direct equivalent substitute for the obsolete P6SMB12AHM3_A/I. Both components share identical electrical specifications, automotive-grade qualification (AEC-Q101), and regulatory compliance (ROHS3). The primary distinction is product status: the substitute is currently active in production, ensuring long-term availability and supply chain continuity.

The transition from bulk packaging to Tape & Reel (TR) format in the substitute part reflects standard manufacturing practices for active production components and provides advantages for automated assembly processes.

Frequently Asked Questions (FAQ)

Q: Can P6SMB12AHM3_B/I be used as a direct replacement for P6SMB12AHM3_A/I?

A: Yes. Both parts are identical in electrical performance, voltage ratings, current handling, power dissipation, package type (DO-214AA SMB), and automotive qualification (AEC-Q101). The substitute is the manufacturer-recommended equivalent.

Q: What is the difference between the two part numbers?

A: The primary difference is product status. P6SMB12AHM3_A/I is obsolete, while P6SMB12AHM3_B/I is active. Additionally, the substitute uses Tape & Reel packaging instead of bulk, which is standard for active production components.

Q: Are there any compatibility concerns with the packaging change?

A: No. Both parts use the same DO-214AA (SMB) surface mount package. The Tape & Reel format is compatible with standard pick-and-place assembly equipment and provides equivalent component performance.

Q: What certifications apply to the substitute part?

A: The P6SMB12AHM3_B/I maintains AEC-Q101 automotive qualification and ROHS3 compliance, identical to the original part.

Q: Can other P6SMB series parts substitute for this component?

A: No. Substitution is limited to parts with identical voltage ratings (10.2V reverse standoff, 11.4V breakdown minimum, 16.7V clamping maximum), current ratings (35.9A peak pulse), and power dissipation (600W). Only the P6SMB12AHM3_B/I meets these requirements.