P6SMB47AHM3_A/I Equivalent & Substitute Parts

Part Overview

The P6SMB47AHM3_A/I is a unidirectional transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This component is designed for telecom applications requiring transient overvoltage protection with a 40.2V reverse standoff voltage and 64.8V maximum clamping voltage. The part is currently classified as obsolete, necessitating identification of active equivalent alternatives to maintain design continuity and ensure supply chain availability for new production and field replacements.

Substiute Parts

P6SMB47AHM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 976P6SMB47AHM3_A/I Datasheet

Current PartRFQ

P6SMB47AHM3_B/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 917P6SMB47AHM3_B/I Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The P6SMB47AHM3_A/I can be substituted with the P6SMB47AHM3_B/I based on strict electrical and mechanical parameter equivalence. Both parts share identical core specifications that determine functional interchangeability:

Key Parameters for Substitution Compatibility:

• Voltage - Reverse Standoff (Typ): 40.2V
• Voltage - Breakdown (Min): 44.7V
• Voltage - Clamping (Max) @ Ipp: 64.8V
• Current - Peak Pulse (10/1000µs): 9.3A
• Power - Peak Pulse: 600W
• Operating Temperature Range: -65°C ~ 150°C (TJ)
• Package / Case: DO-214AA, SMB
• Unidirectional Channels: 1
• Type: Zener
• Series: P6SMB, TransZorb®
• Grade: Automotive
• Qualification: AEC-Q101

The primary distinction between these parts is product status and packaging format. The substitute part P6SMB47AHM3_B/I is active and available in Tape & Reel (TR) packaging, whereas the original part is obsolete.

Parameter Comparison

Engineering Selection Recommendations

The P6SMB47AHM3_B/I is the direct substitute for the obsolete P6SMB47AHM3_A/I. Both parts maintain identical electrical performance specifications and are qualified to the same automotive standard (AEC-Q101). The substitute part is currently in active production status, ensuring supply chain continuity and availability for procurement.

Both parts carry ROHS3 compliance and REACH unaffected status, meeting regulatory requirements for electronic component applications. The automotive grade classification and AEC-Q101 qualification confirm suitability for demanding telecom protection applications requiring reliable transient voltage suppression.

Frequently Asked Questions (FAQ)

Q: Are the P6SMB47AHM3_A/I and P6SMB47AHM3_B/I electrically identical?

A: Yes. Both parts share identical electrical specifications including reverse standoff voltage (40.2V), breakdown voltage (44.7V), clamping voltage (64.8V), peak pulse current (9.3A), and peak pulse power (600W). They operate across the same temperature range (-65°C ~ 150°C) and are both qualified to AEC-Q101.

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

A: The primary difference is product status. The P6SMB47AHM3_A/I is obsolete, while the P6SMB47AHM3_B/I is active. The substitute part is supplied in Tape & Reel (TR) packaging format.

Q: Can I use P6SMB47AHM3_B/I as a direct replacement in existing designs?

A: Yes. The substitute part is mechanically and electrically compatible. Both use the same DO-214AA (SMB) surface mount package and maintain identical performance characteristics across all specified parameters.

Q: Are both parts automotive qualified?

A: Yes. Both the P6SMB47AHM3_A/I and P6SMB47AHM3_B/I carry automotive grade classification and AEC-Q101 qualification, confirming their suitability for automotive and telecom applications.

Q: Do both parts meet RoHS and REACH compliance requirements?

A: Yes. Both parts are ROHS3 compliant and REACH unaffected, meeting current regulatory standards for electronic component manufacturing and use.