P6SMB12CA-M3/52 Equivalent & Substitute Parts

Part Overview

The P6SMB12CA-M3/52 is a bidirectional transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the DO-214AA (SMB) package and provides transient overvoltage protection for general-purpose applications. The part is active in production with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified based on matching electrical performance parameters and package compatibility to support procurement flexibility and supply chain continuity.

Substiute Parts

P6SMB12CA-M3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 1135P6SMB12CA-M3/52 Datasheet

Current PartRFQ

P6SMB12CA-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 5513P6SMB12CA-E3/52 Datasheet

DirectRFQ

1KSMB12CA

Taiwan Semiconductor CorporationIn Stock: 7501KSMB12CA Datasheet

MFR RecommendedRFQ

P6SMB12CA

Good-Ark SemiconductorIn Stock: 9465P6SMB12CA Datasheet

MFR RecommendedRFQ

P6SMB12CA

Good-Ark SemiconductorIn Stock: 9465P6SMB12CA Datasheet

MFR RecommendedRFQ

SM6T12CA

STMicroelectronicsIn Stock: 20457SM6T12CA Datasheet

MFR RecommendedRFQ

SMBJP6KE12CA-TP

Micro Commercial CoIn Stock: 2432SMBJP6KE12CA-TP Datasheet

MFR RecommendedRFQ

SZP6SMB12CAT3G

Littelfuse Inc.In Stock: 3423SZP6SMB12CAT3G Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the P6SMB12CA-M3/52 is determined by the following critical parameters:

• Voltage - Reverse Standoff (Typ): 10.2V
• Voltage - Breakdown (Min): 11.4V
• Voltage - Clamping (Max) @ Ipp: 16.7V
• Current - Peak Pulse (10/1000µs): 35.9A minimum
• Power - Peak Pulse: 600W minimum
• Package / Case: DO-214AA, SMB
• Mounting Type: Surface Mount
• RoHS Status: ROHS3 Compliant

Substitute parts are grouped into two categories:

Direct Equivalents maintain identical electrical specifications across all critical parameters. These parts are interchangeable without circuit redesign.

Functional Equivalents meet or exceed the core voltage and power ratings while maintaining package and mounting compatibility. These parts provide equivalent or enhanced performance within the same application envelope.

Parameter Comparison

Engineering Selection Recommendations

P6SMB12CA-E3/52 (Vishay General Semiconductor) is a direct equivalent with identical electrical specifications and packaging. This part maintains the same tape and reel configuration as the original and is suitable for direct substitution in production environments.

1KSMB12CA (Taiwan Semiconductor Corporation) provides enhanced performance with 59.9A peak pulse current and 1000W power rating, exceeding the original specification. This part is suitable for applications requiring higher transient energy absorption while maintaining voltage regulation characteristics. Operating temperature range extends to 175°C.

P6SMB12CA (Good-Ark Semiconductor) matches the electrical specifications of the original part with equivalent 35.9A peak pulse current and 600W power rating. This part is available in higher inventory quantities and is suitable for direct substitution.

SM6T12CA (STMicroelectronics) maintains voltage regulation parameters but exhibits higher clamping voltage (21.7V) and significantly higher peak pulse current (184A at 8/20µs pulse). This part is suitable for applications where enhanced transient suppression is required.

SMBJP6KE12CA-TP (Micro Commercial Co) provides equivalent performance with 36.5A peak pulse current and extended operating temperature range to 175°C. This part is suitable for high-temperature applications.

SZP6SMB12CAT3G (Littelfuse Inc.) meets all electrical specifications with automotive-grade qualification (AEC-Q101) and extended temperature range to -65°C. This part is suitable for automotive and harsh environment applications.

Frequently Asked Questions (FAQ)

Q: Can P6SMB12CA-E3/52 replace P6SMB12CA-M3/52 directly?

A: Yes. Both parts are manufactured by Vishay General Semiconductor with identical electrical specifications (10.2V standoff, 16.7V clamping, 35.9A peak pulse, 600W power). The difference is packaging configuration (tape & box versus tape & reel). Electrical performance is equivalent.

Q: What is the difference between 1KSMB12CA and the original part?

A: The 1KSMB12CA provides enhanced performance with 59.9A peak pulse current and 1000W power rating compared to 35.9A and 600W in the original. Voltage regulation parameters remain identical. This part is suitable for applications requiring higher transient energy absorption.

Q: Can SM6T12CA be used as a direct replacement?

A: SM6T12CA maintains the same voltage standoff and breakdown characteristics but exhibits higher clamping voltage (21.7V versus 16.7V) and significantly higher peak pulse current (184A). This part provides enhanced transient suppression and is suitable for applications where higher clamping voltage is acceptable.

Q: What is the significance of the AEC-Q101 qualification on SZP6SMB12CAT3G?

A: AEC-Q101 qualification indicates automotive-grade reliability testing and is required for automotive applications. The SZP6SMB12CAT3G is suitable for automotive and harsh environment applications where this qualification is mandatory.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity rating, matching the environmental compliance of the original part.

Q: What packaging differences exist among the substitute parts?

A: All parts use DO-214AA (SMB) surface mount packages. Variations include SMBJ designation (P6SMB12CA-M3/52, P6SMB12CA-E3/52, SMBJP6KE12CA-TP) and standard SMB designation (1KSMB12CA, P6SMB12CA, SM6T12CA, SZP6SMB12CAT3G). These designations reflect minor mechanical variations but maintain footprint compatibility.