P6SMB170AHM3_A/I Equivalent & Substitute Parts

Part Overview

The P6SMB170AHM3_A/I is a unidirectional Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, designed for telecom applications. This component features a 145V reverse standoff voltage with 234V maximum clamping voltage and 2.6A peak pulse current capability in a surface mount DO-214AA (SMB) package. The part is currently classified as obsolete, making identification of active equivalent alternatives essential for ongoing design support and procurement.

Substiute Parts

P6SMB170AHM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 1043P6SMB170AHM3_A/I Datasheet

Current PartRFQ

P6SMB170AHM3_B/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 956P6SMB170AHM3_B/I Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P6SMB170AHM3_A/I is determined by strict equivalence across the following electrical and mechanical parameters:

• Voltage - Reverse Standoff (Typ): 145V
• Voltage - Breakdown (Min): 162V
• Voltage - Clamping (Max) @ Ipp: 234V
• Current - Peak Pulse (10/1000µs): 2.6A
• Power - Peak Pulse: 600W
• Operating Temperature Range: -65°C to 150°C
• Package / Case: DO-214AA (SMB)
• Mounting Type: Surface Mount
• Grade: Automotive
• Qualification: AEC-Q101

The P6SMB170AHM3_B/I is a direct functional equivalent, maintaining identical electrical performance and mechanical compatibility while offering active product status and improved supply chain availability.

Parameter Comparison

Engineering Selection Recommendations

The P6SMB170AHM3_B/I is the direct substitute for the obsolete P6SMB170AHM3_A/I. Both components maintain identical electrical specifications, thermal performance, and automotive-grade AEC-Q101 qualification. The primary distinction is product lifecycle status: the P6SMB170AHM3_A/I is obsolete, while the P6SMB170AHM3_B/I maintains active production status. The substitute part is supplied in Tape & Reel (TR) packaging, which is standard for high-volume manufacturing environments. Both components satisfy ROHS3 compliance and REACH regulatory requirements, ensuring compatibility with current environmental standards.

Frequently Asked Questions (FAQ)

Q: Can the P6SMB170AHM3_B/I be used as a direct replacement for the P6SMB170AHM3_A/I?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including voltage ratings, current handling, temperature range, and package configuration. The substitute maintains the same DO-214AA (SMB) surface mount footprint and automotive-grade AEC-Q101 qualification.

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

A: The primary difference is product status. The P6SMB170AHM3_A/I is obsolete, while the P6SMB170AHM3_B/I is active. Additionally, the substitute is supplied in Tape & Reel (TR) packaging versus bulk packaging for the main part. Electrical and thermal specifications are identical.

Q: Are there any compatibility concerns when switching from P6SMB170AHM3_A/I to P6SMB170AHM3_B/I?

A: No compatibility concerns exist. The substitute maintains identical electrical performance, thermal characteristics, and mechanical dimensions. PCB layout, thermal management, and circuit design remain unchanged.

Q: Does the packaging format affect circuit performance?

A: No. Tape & Reel (TR) packaging is a supply format only and does not affect component electrical performance or reliability. The actual component remains identical.

Q: Are both parts suitable for automotive applications?

A: Yes. Both the P6SMB170AHM3_A/I and P6SMB170AHM3_B/I carry automotive-grade classification with AEC-Q101 qualification, meeting automotive industry reliability and quality standards.