SMBJ6.0AHM3_A/I Equivalent & Substitute Parts

Part Overview

The SMBJ6.0AHM3_A/I is a unidirectional Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, designed for telecom applications. This component features a 6V reverse standoff voltage with a 10.3V maximum clamping voltage and 58.3A peak pulse current capability in a surface mount DO-214AA (SMB) package. The part is currently listed as obsolete, necessitating identification of active equivalent alternatives to maintain design continuity and ensure supply chain availability.

Substiute Parts

SMBJ6.0AHM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 857SMBJ6.0AHM3_A/I Datasheet

Current PartRFQ

SMBJ6.0AHM3_B/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 1122SMBJ6.0AHM3_B/I Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMBJ6.0AHM3_A/I is determined by strict equivalence across the following critical parameters:

• Voltage - Reverse Standoff: 6V (±tolerance)
• Voltage - Clamping (Max) @ Ipp: 10.3V
• Current - Peak Pulse (10/1000µs): 58.3A
• Power - Peak Pulse: 600W
• Package / Case: DO-214AA (SMB)
• Mounting Type: Surface Mount
• Operating Temperature Range: -55°C ~ 150°C (TJ)
• Grade: Automotive
• Qualification: AEC-Q101

The SMBJ6.0AHM3_B/I meets all these criteria and is classified as the manufacturer-recommended equivalent. The primary distinction between the obsolete and active variant is product status and packaging configuration (Tape & Reel for the active part).

Parameter Comparison

Engineering Selection Recommendations

The SMBJ6.0AHM3_B/I is the direct functional equivalent of the SMBJ6.0AHM3_A/I. Both components share identical electrical specifications, thermal ratings, and automotive-grade certifications including AEC-Q101 qualification. The SMBJ6.0AHM3_B/I maintains active product status with current manufacturing support, making it the appropriate selection for new designs and production continuity. Both parts comply with ROHS3 and REACH requirements, ensuring regulatory alignment. The packaging difference (Tape & Reel for the active variant) reflects standard industry practice for active components and does not affect electrical or mechanical compatibility.

Frequently Asked Questions (FAQ)

Q: Can the SMBJ6.0AHM3_B/I be used as a direct replacement for the SMBJ6.0AHM3_A/I?

A: Yes. The SMBJ6.0AHM3_B/I is electrically and mechanically identical to the SMBJ6.0AHM3_A/I across all critical parameters: voltage ratings, current handling, thermal range, and package configuration. The primary difference is product status (active vs. obsolete) and packaging format.

Q: Are there any compatibility concerns with PCB assembly?

A: No. Both parts use the identical DO-214AA (SMB) surface mount package. PCB footprints, reflow profiles, and assembly processes remain unchanged.

Q: What is the significance of the Tape & Reel packaging for the substitute part?

A: Tape & Reel (TR) packaging is standard for active production components and is designed for automated assembly processes. It does not affect component performance or electrical characteristics.

Q: Does the substitute part maintain automotive-grade certification?

A: Yes. The SMBJ6.0AHM3_B/I retains AEC-Q101 qualification and automotive-grade designation, meeting all automotive reliability and qualification requirements.

Q: Are there any thermal or operating condition differences?

A: No. Both parts operate across the identical temperature range of -55°C to 150°C (TJ) and maintain the same 600W peak pulse power rating and 58.3A peak pulse current capability.