P6SMB10A-M3/5B Equivalent & Substitute Parts

Part Overview

The P6SMB10A-M3/5B is a unidirectional transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the 8.55V reverse standoff voltage range with a 14.5V maximum clamping voltage and 41.4A peak pulse current rating. The device is classified as Active product status and is RoHS3 compliant. Equivalent and substitute parts are identified based on matching electrical performance parameters and mechanical compatibility within the DO-214AA (SMB) package form factor.

Substiute Parts

P6SMB10A-M3/5B

Vishay General Semiconductor - Diodes DivisionIn Stock: 1128P6SMB10A-M3/5B Datasheet

Current PartRFQ

P6SMB10A

Eaton - Electronics DivisionIn Stock: 9161P6SMB10A Datasheet

MFR RecommendedRFQ

P6SMB10A

Eaton - Electronics DivisionIn Stock: 9161P6SMB10A Datasheet

MFR RecommendedRFQ

SM6T10A

STMicroelectronicsIn Stock: 15265SM6T10A Datasheet

MFR RecommendedRFQ

SM6T10AY

STMicroelectronicsIn Stock: 3405SM6T10AY Datasheet

MFR RecommendedRFQ

SMBJ8.5A

Taiwan Semiconductor CorporationIn Stock: 44396SMBJ8.5A Datasheet

MFR RecommendedRFQ

SMBJ8.5A-13-F

Diodes IncorporatedIn Stock: 4313SMBJ8.5A-13-F Datasheet

MFR RecommendedRFQ

SMBJ8V5A

Fairchild SemiconductorIn Stock: 35175SMBJ8V5A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the P6SMB10A-M3/5B is determined by the following critical parameters:

• Voltage - Reverse Standoff (Typ): 8.55V ± tolerance
• Voltage - Breakdown (Min): 9.5V minimum
• Voltage - Clamping (Max) @ Ipp: 14.5V maximum
• Current - Peak Pulse (10/1000µs): 41.4A minimum
• Power - Peak Pulse: 600W
• Package / Case: DO-214AA (SMB) surface mount
• Mounting Type: Surface Mount
• Type: Zener unidirectional TVS diode

Substitute parts are grouped into two categories based on electrical parameter alignment:

Group 1 - Direct Electrical Match (14.5V Clamping Voltage) Parts with clamping voltage at or below 14.5V and peak pulse current at or above 41.4A maintain functional equivalence with the original part.

Group 2 - Higher Clamping Voltage (18.6V Clamping Voltage) Parts with elevated clamping voltage (18.6V) provide alternative protection characteristics suitable for applications tolerating higher transient voltage levels.

Parameter Comparison

Engineering Selection Recommendations

P6SMB10A (Eaton - Electronics Division) is the primary manufacturer-recommended equivalent. This part maintains identical voltage specifications (8.55V standoff, 9.5V breakdown, 14.5V clamping) with marginally higher peak pulse current (42.1A vs. 41.4A). RoHS compliance is confirmed. The operating temperature range is -55°C to 150°C, which is narrower than the original part's -65°C to 150°C specification.

SMBJ8.5A (Taiwan Semiconductor Corporation) and SMBJ8.5A-13-F (Diodes Incorporated) provide functional substitution with minimal voltage deviation (8.5V standoff vs. 8.55V, 14.4V clamping vs. 14.5V). Peak pulse current ratings (43A and 41.7A respectively) meet or exceed the original specification. Both are ROHS3 compliant with -55°C to 150°C operating range.

SM6T10A (STMicroelectronics) and SM6T10AY (STMicroelectronics) offer alternative protection with elevated clamping voltage (18.6V) and significantly higher peak pulse current (215A at 8/20µs pulse). SM6T10AY includes AEC-Q101 automotive qualification. These parts are suitable for applications requiring enhanced transient suppression capability.

SMBJ8V5A (Fairchild Semiconductor) meets electrical specifications but lacks documented RoHS compliance status in the provided data.

Frequently Asked Questions (FAQ)

Q: Can P6SMB10A from Eaton replace P6SMB10A-M3/5B from Vishay?

A: Yes. Both parts share identical voltage ratings (8.55V standoff, 9.5V breakdown, 14.5V clamping) and 600W peak pulse power. The Eaton variant provides 42.1A peak pulse current, which exceeds the Vishay specification of 41.4A. The primary difference is the operating temperature range: Eaton specifies -55°C to 150°C versus Vishay's -65°C to 150°C. Substitution is valid for applications within the -55°C to 150°C window.

Q: What is the difference between SMBJ8.5A and P6SMB10A-M3/5B?

A: The SMBJ8.5A exhibits minor voltage deviation: 8.5V standoff versus 8.55V, and 14.4V clamping versus 14.5V. Peak pulse current is 43A, which exceeds the original 41.4A specification. Both operate at 600W peak pulse power in the DO-214AA (SMB) package. The voltage difference of 0.05V standoff and 0.1V clamping is within typical component tolerance ranges for TVS diodes.

Q: When should SM6T10A or SM6T10AY be selected instead of direct equivalents?

A: SM6T10A and SM6T10AY feature 18.6V clamping voltage compared to 14.5V in the original part. This higher clamping voltage is suitable for applications where transient voltage levels exceed 14.5V but remain below 18.6V. The significantly higher peak pulse current (215A at 8/20µs) provides enhanced surge suppression capability. SM6T10AY includes AEC-Q101 automotive qualification for automotive applications.

Q: Are all substitute parts available in the same packaging?

A: All listed substitute parts use the DO-214AA (SMB) surface mount package, ensuring mechanical compatibility with the original P6SMB10A-M3/5B footprint. Packaging format variations (Tape & Box, Tape & Reel, Cut Tape, Bulk) do not affect electrical performance or PCB mounting compatibility.

Q: What compliance certifications apply to these substitute parts?

A: P6SMB10A-M3/5B, P6SMB10A (Eaton), SM6T10A, SM6T10AY, SMBJ8.5A, and SMBJ8.5A-13-F are ROHS3 compliant. All parts are REACH unaffected and classified under ECCN EAR99. SM6T10AY carries AEC-Q101 automotive qualification. SMBJ8V5A compliance status is not specified in available documentation.

Q: Can SMBJ8.5A-13-F be used in high-temperature applications?

A: SMBJ8.5A-13-F operates across -55°C to 150°C, matching the temperature range of most substitute options. This is narrower than the original P6SMB10A-M3/5B specification of -65°C to 150°C. For applications requiring operation below -55°C, the original Vishay part or equivalent with extended low-temperature rating is required.