P6SMB6.8AHM3_A/I Equivalent & Substitute Parts

Part Overview

The P6SMB6.8AHM3_A/I is a unidirectional Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, designed for transient overvoltage protection in telecom applications. This component features a 5.8V reverse standoff voltage with a 10.5V maximum clamping voltage and 57.1A peak pulse current capability in a surface mount DO-214AA (SMB) package. The part is AEC-Q101 qualified for automotive-grade reliability and ROHS3 compliant.

The P6SMB6.8AHM3_A/I is currently listed as obsolete. Identifying equivalent substitute parts ensures design continuity and supply chain reliability for applications requiring this specific voltage protection profile.

Substiute Parts

P6SMB6.8AHM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 820P6SMB6.8AHM3_A/I Datasheet

Current PartRFQ

P6SMB6.8AHM3_B/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 828P6SMB6.8AHM3_B/I Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P6SMB6.8AHM3_A/I is determined by strict equivalence across the following critical parameters:

• Voltage Rating: Reverse standoff voltage of 5.8V (typical), breakdown voltage minimum of 6.45V, and maximum clamping voltage of 10.5V at peak pulse current
• Current Handling: Peak pulse current of 57.1A at 10/1000µs pulse duration
• Power Dissipation: 600W peak pulse power rating
• Package: DO-214AA (SMB) surface mount configuration
• Electrical Type: Unidirectional Zener TVS diode with single channel
• Compliance: AEC-Q101 automotive qualification and ROHS3 compliance
• Operating Temperature: -65°C to 150°C junction temperature range

Substitute parts must match all electrical parameters and maintain the same package footprint and compliance certifications to ensure direct replacement capability.

Parameter Comparison

Engineering Selection Recommendations

The P6SMB6.8AHM3_B/I is the direct substitute for the obsolete P6SMB6.8AHM3_A/I. Both parts are manufactured by Vishay General Semiconductor - Diodes Division and share identical electrical specifications, voltage ratings, current handling capacity, and thermal operating range. Both components maintain AEC-Q101 automotive qualification and ROHS3 compliance.

The primary distinction is product status: the P6SMB6.8AHM3_A/I is obsolete, while the P6SMB6.8AHM3_B/I is active and available. The substitute part is supplied in Tape & Reel (TR) packaging, which is standard for high-volume production environments. All electrical and mechanical parameters remain equivalent, ensuring functional interchangeability in existing circuit designs.

Frequently Asked Questions (FAQ)

Q: Can the P6SMB6.8AHM3_B/I be used as a direct replacement for the P6SMB6.8AHM3_A/I?

A: Yes. Both parts are electrically and mechanically identical. They share the same voltage ratings (5.8V standoff, 10.5V clamping), current capacity (57.1A peak pulse), power rating (600W), package (DO-214AA SMB), and compliance certifications (AEC-Q101, ROHS3). The substitute is active and available, making it suitable for direct replacement.

Q: Are there differences in packaging between these parts?

A: The main part packaging type is not specified in the available data. The substitute part P6SMB6.8AHM3_B/I is supplied in Tape & Reel (TR) format, which is standard for surface mount component distribution. Both parts use the same DO-214AA (SMB) package footprint.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both the P6SMB6.8AHM3_A/I and P6SMB6.8AHM3_B/I are AEC-Q101 qualified and automotive-grade, meeting the same reliability and qualification standards.

Q: What is the operating temperature range for these TVS diodes?

A: Both parts operate across a junction temperature range of -65°C to 150°C, suitable for automotive and industrial telecom applications.

Q: Are these parts RoHS compliant?

A: Yes. Both components are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.