P6SMB120AHM3_A/I Equivalent & Substitute Parts

Part Overview

The P6SMB120AHM3_A/I is a unidirectional Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, designed for telecom applications requiring transient voltage protection. This component features a 102V reverse standoff voltage with 165V maximum clamping voltage and 3.6A peak pulse current capability in a surface mount DO-214AA (SMB) package. The part is classified as obsolete, making identification of active equivalent substitutes essential for ongoing design support and procurement.

Substiute Parts

P6SMB120AHM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 897P6SMB120AHM3_A/I Datasheet

Current PartRFQ

P6SMB120AHM3_B/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 703P6SMB120AHM3_B/I Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P6SMB120AHM3_A/I is determined by strict equivalence across the following critical parameters:

• Voltage - Reverse Standoff (Typ): 102V
• Voltage - Breakdown (Min): 114V
• Voltage - Clamping (Max) @ Ipp: 165V
• Current - Peak Pulse (10/1000µs): 3.6A
• Power - Peak Pulse: 600W
• Package / Case: DO-214AA (SMB)
• Type: Unidirectional Zener
• Operating Temperature Range: -65°C to 150°C (TJ)
• Automotive Grade with AEC-Q101 qualification

The P6SMB120AHM3_B/I is classified as a manufacturer-recommended substitute because it maintains identical electrical specifications and mechanical compatibility while offering active product status and improved supply chain availability.

Parameter Comparison

Engineering Selection Recommendations

The P6SMB120AHM3_B/I is the direct equivalent substitute for the obsolete P6SMB120AHM3_A/I. Both components are manufactured by Vishay and maintain identical electrical and mechanical specifications. The substitute part carries active product status, ensuring continued availability and manufacturing support. Both parts meet automotive-grade requirements with AEC-Q101 qualification and comply with RoHS3 and REACH regulations. The P6SMB120AHM3_B/I is supplied in Tape & Reel packaging, which is standard for production environments. No design modifications, PCB layout changes, or thermal management adjustments are required when transitioning from the main part to the substitute.

Frequently Asked Questions (FAQ)

Q: Can the P6SMB120AHM3_B/I be used as a direct replacement for the P6SMB120AHM3_A/I?

A: Yes. Both parts are electrically and mechanically identical. The substitute maintains the same 102V reverse standoff voltage, 165V clamping voltage, 3.6A peak pulse current, and 600W peak pulse power rating. Package compatibility is confirmed as both use DO-214AA (SMB) surface mount configuration.

Q: What is the primary reason for substitution?

A: The P6SMB120AHM3_A/I is classified as obsolete. The P6SMB120AHM3_B/I is the active equivalent from the same manufacturer, ensuring supply chain continuity and manufacturing support.

Q: Are there any compliance or certification differences?

A: No. Both parts carry identical automotive-grade classification with AEC-Q101 qualification. Both are ROHS3 compliant and REACH unaffected.

Q: Does packaging format affect compatibility?

A: Packaging format (Tape & Reel for the substitute) does not affect electrical or mechanical compatibility. The component itself remains unchanged; only the delivery format differs, which is standard for production procurement.

Q: Are thermal or operating temperature characteristics different?

A: No. Both parts operate across the identical temperature range of -65°C to 150°C (TJ).