P6SMB510A01HM3 Transient Voltage Suppressor Equivalent & Substitute Parts

Part Overview

The P6SMB510A01HM3 is a unidirectional Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, designed for telecom applications requiring transient protection. This component features a 434V reverse standoff voltage with 698V maximum clamping voltage and 860mA peak pulse current capability in a surface mount DO-214AA (SMB) package. The original part number variant (A/I) is discontinued at DiGi Electronics, necessitating identification of active equivalent alternatives to maintain design continuity and ensure component availability for production and repair applications.

Substiute Parts

P6SMB510A01HM3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 1283P6SMB510A01HM3_A/I Datasheet

Current PartRFQ

P6SMB510A01HM3_C/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 1035P6SMB510A01HM3_C/I Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the P6SMB510A01HM3 is determined by strict equivalence across the following critical parameters:

• Voltage - Reverse Standoff (Typ): 434V
• Voltage - Breakdown (Min): 485V
• Voltage - Clamping (Max) @ Ipp: 698V
• Current - Peak Pulse (10/1000µs): 860mA
• Power - Peak Pulse: 600W
• Operating Temperature Range: -65°C to 150°C (TJ)
• Package / Case: DO-214AA (SMB)
• Unidirectional Channels: 1
• Type: Zener
• Grade: Automotive
• Qualification: AEC-Q101
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

All substitute parts must match these parameters exactly. The P6SMB510A01HM3_C/I variant meets all substitution criteria and maintains identical electrical and mechanical specifications while offering active product status.

Parameter Comparison

Engineering Selection Recommendations

The P6SMB510A01HM3_C/I is a direct functional equivalent to the P6SMB510A01HM3_A/I. Both variants are manufactured by Vishay General Semiconductor - Diodes Division and share identical electrical specifications, automotive-grade qualification (AEC-Q101), and compliance certifications (ROHS3, REACH Unaffected).

The primary distinction is product status: the A/I variant is discontinued at DiGi Electronics, while the C/I variant maintains active status. For new designs, production builds, and long-term supply chain planning, the P6SMB510A01HM3_C/I is the appropriate selection. Both parts are suitable for telecom transient protection applications requiring 434V standoff voltage protection with 698V clamping performance.

Frequently Asked Questions (FAQ)

Q: Can the P6SMB510A01HM3_C/I be used as a direct replacement for the P6SMB510A01HM3_A/I?

A: Yes. Both parts are identical in electrical performance, thermal characteristics, package configuration, and automotive qualification. The C/I variant is the active production equivalent.

Q: What does the suffix designation (A/I vs. C/I) indicate?

A: The suffix designates internal manufacturing or tape/reel configuration variants within the same electrical specification family. Both variants meet identical performance parameters for TVS diode operation.

Q: Are there any compatibility concerns when substituting between these variants?

A: No. The DO-214AA (SMB) package, pinout, and electrical characteristics are identical. PCB layout and circuit design require no modification.

Q: What is the significance of AEC-Q101 qualification for this component?

A: AEC-Q101 certification confirms the part meets automotive-grade reliability standards for discrete semiconductors, including thermal cycling, moisture resistance, and electrical performance validation.

Q: Why is the original part discontinued?

A: Component discontinuation typically reflects manufacturing optimization, supply chain consolidation, or transition to equivalent active variants. The C/I designation represents the current production equivalent.

Q: Can this TVS diode be used in non-telecom applications?

A: The specified application is telecom. Use in other applications requires independent verification that the 434V standoff voltage, 698V clamping voltage, and 860mA peak pulse current specifications align with the target circuit protection requirements.

Q: What is the Moisture Sensitivity Level (MSL) 1 rating?

A: MSL 1 indicates unlimited shelf life without moisture bake-out requirements. The component can be stored and handled under standard conditions without time-dependent degradation.