P6SMB75CA-M3/52 Equivalent & Substitute Parts

Part Overview

The P6SMB75CA-M3/52 is a bidirectional Zener transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the DO-214AA (SMB) package and is designed for general-purpose transient voltage suppression applications. The part is active and ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1).

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain considerations, or application-specific performance enhancements while maintaining electrical and mechanical compatibility.

Substiute Parts

P6SMB75CA-M3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 664P6SMB75CA-M3/52 Datasheet

Current PartRFQ

P6SMB75CA-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 4772P6SMB75CA-E3/52 Datasheet

DirectRFQ

1KSMB75CA

Taiwan Semiconductor CorporationIn Stock: 103771KSMB75CA Datasheet

MFR RecommendedRFQ

P6SMB75CA

Eaton - Electronics DivisionIn Stock: 1496P6SMB75CA Datasheet

MFR RecommendedRFQ

P6SMB75CA

Eaton - Electronics DivisionIn Stock: 1496P6SMB75CA Datasheet

MFR RecommendedRFQ

SM6T75CAY

STMicroelectronicsIn Stock: 22896SM6T75CAY Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the P6SMB75CA-M3/52 are classified based on strict electrical and mechanical parameter alignment. The substitution logic is determined by the following critical parameters:

Electrical Compatibility Criteria:

• Voltage - Reverse Standoff (Typ): 64.1V
• Voltage - Breakdown (Min): 71.3V
• Voltage - Clamping (Max) @ Ipp: 103V
• Bidirectional Channels: 1
• Type: Zener

Mechanical Compatibility Criteria:

• Mounting Type: Surface Mount
• Package / Case: DO-214AA, SMB

Compliance Criteria:

• RoHS Status: ROHS3 Compliant or RoHS Compliant
• MSL Rating: 1 (Unlimited)

Substitute parts are grouped into two categories:

Category 1 - Direct Electrical & Mechanical Equivalents: Parts with identical voltage parameters, clamping characteristics, and SMB package configuration. These parts differ only in packaging format (Tape & Reel vs. Tape & Box) or minor current rating variations within acceptable operational margins.

Category 2 - Enhanced Performance Substitutes: Parts with identical voltage parameters and SMB package but enhanced current handling or temperature range capabilities. These parts provide superior transient suppression performance while maintaining full backward compatibility.

Parameter Comparison

Engineering Selection Recommendations

P6SMB75CA-E3/52 (Vishay General Semiconductor - Diodes Division)

This part is a direct equivalent to the P6SMB75CA-M3/52, differing only in packaging format (Tape & Reel instead of Tape & Box). Electrical specifications, temperature range, and compliance certifications are identical. Selection is appropriate when Tape & Reel packaging is required for automated assembly processes. ROHS3 compliant with MSL 1 rating.

1KSMB75CA (Taiwan Semiconductor Corporation)

This part maintains identical voltage parameters and clamping characteristics while providing enhanced current handling (9.7A vs. 5.8A) and increased peak pulse power (1000W vs. 600W). Operating temperature range extends to 175°C. ROHS3 compliant with MSL 1 rating. Selection is appropriate for applications requiring higher transient current suppression capacity or extended temperature operation.

P6SMB75CA (Eaton - Electronics Division)

This part is functionally equivalent with nearly identical current rating (5.9A vs. 5.8A) and voltage parameters. Operating temperature range is -55°C to 150°C. RoHS compliant with MSL 1 rating. Selection is appropriate as a direct substitute when Eaton sourcing is preferred or required by supply chain specifications.

SM6T75CAY (STMicroelectronics)

This part maintains identical voltage standoff and breakdown parameters but features significantly higher clamping voltage (134V vs. 103V) and substantially higher peak pulse current (30A at 8/20µs). Automotive grade with AEC-Q101 qualification. ROHS3 compliant with MSL 1 rating. Selection is appropriate for automotive applications or when enhanced transient suppression performance is required.

Frequently Asked Questions (FAQ)

Q: Can P6SMB75CA-E3/52 be used as a direct replacement for P6SMB75CA-M3/52?

A: Yes. Both parts are manufactured by Vishay General Semiconductor - Diodes Division with identical electrical specifications, voltage ratings, current handling, and operating temperature range. The only difference is packaging format: P6SMB75CA-M3/52 uses Tape & Box (TB) while P6SMB75CA-E3/52 uses Tape & Reel (TR). Selection depends on assembly process requirements.

Q: What are the advantages of using 1KSMB75CA over the original P6SMB75CA-M3/52?

A: The 1KSMB75CA provides enhanced performance with 67% higher peak pulse current (9.7A vs. 5.8A) and 67% higher peak pulse power (1000W vs. 600W). Operating temperature range extends to 175°C compared to 150°C. Voltage parameters remain identical. This part is suitable for applications requiring higher transient suppression capacity or operation in elevated temperature environments.

Q: Is SM6T75CAY compatible with P6SMB75CA-M3/52?

A: SM6T75CAY maintains identical voltage standoff (64.1V) and breakdown (71.3V) parameters, ensuring compatibility in voltage regulation. However, clamping voltage is higher (134V vs. 103V) and peak pulse current is significantly higher (30A vs. 5.8A). This part provides enhanced transient suppression performance and is suitable for automotive applications with AEC-Q101 qualification. Verify application requirements before substitution.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed are either ROHS3 compliant or RoHS compliant, meeting environmental and regulatory requirements. All parts carry MSL 1 (Unlimited) moisture sensitivity rating.

Q: What is the difference between Tape & Box and Tape & Reel packaging?

A: Tape & Box (TB) packaging is suitable for manual handling and smaller production volumes. Tape & Reel (TR) packaging is designed for automated pick-and-place assembly equipment and high-volume manufacturing. Electrical specifications are identical; selection depends on assembly process capabilities.

Q: Can I use P6SMB75CA (Eaton) in place of P6SMB75CA-M3/52 (Vishay)?

A: Yes. Both parts have identical voltage parameters (64.1V standoff, 71.3V breakdown, 103V clamping) and nearly identical current ratings (5.9A vs. 5.8A). Operating temperature range is -55°C to 150°C. RoHS compliance is confirmed. Selection is appropriate when Eaton sourcing is required or preferred.

Q: Which substitute part has the widest operating temperature range?

A: The 1KSMB75CA (Taiwan Semiconductor Corporation) operates from -55°C to 175°C, providing the widest temperature range among all listed parts. This is 25°C higher than the original P6SMB75CA-M3/52 (-65°C to 150°C upper limit).

Q: Are all parts in the same DO-214AA SMB package?

A: Yes. All substitute parts use the DO-214AA (SMB) surface mount package, ensuring mechanical and footprint compatibility. Packaging format (Tape & Box vs. Tape & Reel) differs but does not affect PCB mounting or electrical performance.