P6SMB68CAHM3_A/I Equivalent & Substitute Parts

Part Overview

The P6SMB68CAHM3_A/I is a bidirectional transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This component is designed for telecom applications requiring transient overvoltage protection in surface mount configurations. The part operates with a 58.1V reverse standoff voltage and provides 92V maximum clamping voltage at peak pulse current of 6.5A, delivering 600W peak pulse power dissipation.

The P6SMB68CAHM3_A/I carries an Obsolete product status. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements for applications currently utilizing this component.

Substiute Parts

P6SMB68CAHM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 918P6SMB68CAHM3_A/I Datasheet

Current PartRFQ

P6SMB68CAHM3_B/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 848P6SMB68CAHM3_B/I Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P6SMB68CAHM3_A/I is determined by strict equivalence across the following critical parameters:

• Voltage - Reverse Standoff (Typ): 58.1V
• Voltage - Breakdown (Min): 64.6V
• Voltage - Clamping (Max) @ Ipp: 92V
• Current - Peak Pulse (10/1000µs): 6.5A
• Power - Peak Pulse: 600W
• Package / Case: DO-214AA (SMB)
• Bidirectional Channels: 1
• Operating Temperature Range: -65°C to 150°C (TJ)
• Type: Zener
• Grade: Automotive
• Qualification: AEC-Q101

The P6SMB68CAHM3_B/I is classified as a manufacturer-recommended substitute. This part maintains identical electrical performance specifications, mechanical compatibility, and automotive-grade qualification. The primary distinction is product status: the substitute part is Active, whereas the original part is Obsolete.

Parameter Comparison

Engineering Selection Recommendations

The P6SMB68CAHM3_B/I is the direct equivalent substitute for the P6SMB68CAHM3_A/I. Both parts are manufactured by Vishay General Semiconductor - Diodes Division and belong to the P6SMB TransZorb® series.

Selection of the P6SMB68CAHM3_B/I is supported by:

• Identical electrical performance across all voltage and current parameters
• Identical mechanical compatibility with DO-214AA (SMB) package footprint
• Automotive-grade classification with AEC-Q101 qualification maintained
• Full compliance with ROHS3 and REACH regulatory requirements
• Active product status ensuring ongoing availability and supply chain support

The substitute part differs only in packaging format (Tape & Reel versus bulk) and product lifecycle status. These differences do not affect electrical or mechanical compatibility in circuit applications.

Frequently Asked Questions (FAQ)

Q: Can P6SMB68CAHM3_B/I be used as a direct replacement for P6SMB68CAHM3_A/I?

A: Yes. The P6SMB68CAHM3_B/I is electrically and mechanically identical to the P6SMB68CAHM3_A/I. All voltage ratings, current specifications, temperature operating range, and package dimensions are equivalent. The substitute part is suitable for direct PCB assembly replacement.

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

A: The primary differences are product status and packaging format. The P6SMB68CAHM3_A/I is Obsolete and supplied in bulk packaging. The P6SMB68CAHM3_B/I is Active and supplied in Tape & Reel format. Electrical and mechanical specifications are identical.

Q: Are both parts automotive-qualified?

A: Yes. Both the P6SMB68CAHM3_A/I and P6SMB68CAHM3_B/I carry Automotive grade classification and AEC-Q101 qualification, meeting automotive industry reliability and quality standards.

Q: Does the packaging format affect circuit performance?

A: No. Packaging format (bulk versus Tape & Reel) affects only supply chain logistics and assembly handling. Circuit performance, electrical characteristics, and mechanical compatibility remain unchanged.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both parts are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing and distribution.

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

A: DO-214AA, commonly designated SMB (Surface Mount Body), is a surface mount semiconductor package with two leads. This package is standard for TVS diodes and provides compact form factor suitable for high-density PCB layouts.