SMB10J26AHM3_A/I Equivalent & Substitute Parts

Part Overview

The SMB10J26AHM3_A/I is a unidirectional Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, designed for telecom applications. This component features a 26V reverse standoff voltage with a 42.1V maximum clamping voltage and 23.8A 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

SMB10J26AHM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 967SMB10J26AHM3_A/I Datasheet

Current PartRFQ

SMB10J26AHM3_B/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 1125SMB10J26AHM3_B/I Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMB10J26AHM3_A/I is determined by strict equivalence across the following critical electrical and mechanical parameters:

Electrical Parameters (Must Match):

• Voltage - Reverse Standoff (Typ): 26V
• Voltage - Breakdown (Min): 28.9V
• Voltage - Clamping (Max) @ Ipp: 42.1V
• Current - Peak Pulse (10/1000µs): 23.8A
• Power - Peak Pulse: 1000W (1kW)
• Unidirectional Channels: 1
• Type: Zener

Mechanical Parameters (Must Match):

• Package / Case: DO-214AA, SMB
• Mounting Type: Surface Mount

Compliance & Certification (Must Match):

• Grade: Automotive
• Qualification: AEC-Q101
• RoHS Status: ROHS3 Compliant

The substitute part SMB10J26AHM3_B/I maintains identical electrical performance and mechanical compatibility while offering active product status and improved supply availability.

Parameter Comparison

Engineering Selection Recommendations

The SMB10J26AHM3_B/I is a direct functional equivalent to the SMB10J26AHM3_A/I. Both parts are manufactured by Vishay General Semiconductor - Diodes Division within the TransZorb® series and maintain identical electrical specifications across all critical parameters: 26V reverse standoff voltage, 28.9V minimum breakdown voltage, 42.1V maximum clamping voltage, and 23.8A peak pulse current.

Both parts carry automotive-grade qualification (AEC-Q101) and ROHS3 compliance, ensuring suitability for regulated applications. The primary distinction is product status: the SMB10J26AHM3_A/I is obsolete, while the SMB10J26AHM3_B/I maintains active status with confirmed inventory availability. The substitute part is supplied in Tape & Reel (TR) packaging, which is standard for production environments.

No electrical or mechanical redesign is required when transitioning from SMB10J26AHM3_A/I to SMB10J26AHM3_B/I. The parts are pin-compatible and functionally interchangeable in all telecom transient voltage suppression applications.

Frequently Asked Questions (FAQ)

Q: Can SMB10J26AHM3_B/I be used as a direct replacement for SMB10J26AHM3_A/I?

A: Yes. Both parts are identical in electrical performance, mechanical form factor, and compliance certifications. The SMB10J26AHM3_B/I is a direct substitute with no circuit modifications required.

Q: What is the difference between SMB10J26AHM3_A/I and SMB10J26AHM3_B/I?

A: The parts are electrically and mechanically identical. The primary difference is product status: SMB10J26AHM3_A/I is obsolete, while SMB10J26AHM3_B/I is active. The substitute part is available in Tape & Reel packaging.

Q: Are both parts suitable for automotive applications?

A: Yes. Both parts carry automotive-grade classification and AEC-Q101 qualification, meeting automotive industry standards for transient voltage suppression.

Q: What is the DO-214AA (SMB) package?

A: DO-214AA, commonly designated SMB (Surface Mount Body), is a surface mount diode package. Both parts use this identical package, ensuring mechanical compatibility on PCBs without layout modifications.

Q: Do these parts require any special handling or storage considerations?

A: Both parts have Moisture Sensitivity Level (MSL) 1, indicating unlimited shelf life without moisture-related degradation concerns.

Q: Can these parts be used interchangeably in existing designs?

A: Yes. No design changes, PCB modifications, or firmware updates are necessary. The SMB10J26AHM3_B/I is a pin-for-pin, functionally equivalent replacement.