P6SMB150CA-M3/52 Equivalent & Substitute Parts

Part Overview

The P6SMB150CA-M3/52 is a bidirectional Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, designed for general-purpose transient protection applications. This surface-mount component operates in the DO-214AA (SMB) package and provides 128V reverse standoff voltage with 207V maximum clamping voltage at peak pulse current. The part is currently active in production and ROHS3 compliant. Equivalent and substitute parts are identified based on matching electrical characteristics, package compatibility, and operational parameters that ensure functional interchangeability in circuit protection applications.

Substiute Parts

P6SMB150CA-M3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 866P6SMB150CA-M3/52 Datasheet

Current PartRFQ

P6SMB150CA-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 9156P6SMB150CA-E3/52 Datasheet

DirectRFQ

SMBJP6KE150CA-TP

Micro Commercial CoIn Stock: 8289SMBJP6KE150CA-TP Datasheet

DirectRFQ

1KSMB150CA

Littelfuse Inc.In Stock: 34091KSMB150CA Datasheet

MFR RecommendedRFQ

P6SMB150CA

Eaton - Electronics DivisionIn Stock: 16225P6SMB150CA Datasheet

MFR RecommendedRFQ

SM6T150CA

STMicroelectronicsIn Stock: 8911SM6T150CA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the P6SMB150CA-M3/52 are qualified based on the following critical parameters:

• Voltage - Reverse Standoff (Typ): 128V (exact match required)
• Voltage - Breakdown (Min): 143V (exact match required)
• Voltage - Clamping (Max) @ Ipp: 207V (exact match required)
• Package / Case: DO-214AA, SMB (exact match required)
• Mounting Type: Surface Mount (exact match required)
• Type: Zener, Bidirectional (exact match required)

Substitutes are grouped into three categories: direct manufacturer equivalents (identical part specifications with different packaging), manufacturer-recommended alternatives (same electrical performance with different manufacturers), and performance-equivalent alternatives (matching voltage and package specifications with variations in peak pulse current or temperature range).

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (Identical Specifications)

P6SMB150CA-E3/52 from Vishay General Semiconductor - Diodes Division is a direct equivalent with identical electrical and thermal specifications. The primary difference is packaging format (Tape & Reel versus Tape & Box), which does not affect functional performance. This part is recommended for applications requiring the exact same performance envelope as the original P6SMB150CA-M3/52.

Manufacturer-Recommended Alternatives

P6SMB150CA from Eaton - Electronics Division and SMBJP6KE150CA-TP from Micro Commercial Co maintain identical voltage and clamping specifications. Both are ROHS3 compliant and active products. SMBJP6KE150CA-TP offers an extended upper operating temperature limit of 175°C compared to 150°C for the original part. P6SMB150CA from Eaton provides equivalent performance with RoHS compliance certification.

1KSMB150CA from Littelfuse Inc. matches all voltage parameters but provides enhanced peak pulse current (4.8A versus 2.9A) and peak pulse power (1000W versus 600W). This part is suitable for applications requiring higher transient energy absorption capability while maintaining the same voltage protection levels. REACH status is affected for this part.

Performance-Equivalent Alternative

SM6T150CA from STMicroelectronics maintains identical reverse standoff and breakdown voltages but specifies a higher maximum clamping voltage of 265V and significantly higher peak pulse current of 15A (8/20µs). This part provides enhanced transient suppression capability and is suitable for applications with higher energy transient events. All parts maintain the same DO-214AA, SMB package and surface-mount configuration.

Frequently Asked Questions (FAQ)

Q: Can P6SMB150CA-E3/52 be used as a direct replacement for P6SMB150CA-M3/52?

A: Yes. Both parts are manufactured by Vishay General Semiconductor - Diodes Division and share identical electrical specifications, voltage ratings, current ratings, and thermal operating range. The only difference is packaging format (Tape & Reel versus Tape & Box), which does not affect circuit performance.

Q: What is the difference between the 2.9A and 4.8A peak pulse current ratings?

A: The 1KSMB150CA provides 4.8A peak pulse current compared to 2.9A for the P6SMB150CA-M3/52, resulting in 1000W peak pulse power versus 600W. This higher current rating allows the 1KSMB150CA to absorb greater transient energy while maintaining the same voltage protection levels. Selection depends on the magnitude of transient events expected in the application.

Q: Is SM6T150CA a suitable substitute despite the higher clamping voltage?

A: SM6T150CA maintains the same 128V reverse standoff and 143V breakdown voltages as the original part. The higher 265V clamping voltage and 15A peak pulse current represent enhanced performance characteristics. This part is suitable for applications where higher transient energy absorption is beneficial or required, provided the circuit design accommodates the higher clamping voltage.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts are ROHS3 compliant except where noted. Verify specific compliance requirements for your application and supply chain documentation.

Q: Does operating temperature range affect substitution suitability?

A: Operating temperature range should be evaluated based on application requirements. The original P6SMB150CA-M3/52 operates from -65°C to 150°C. SMBJP6KE150CA-TP extends the upper limit to 175°C. Other substitutes operate from -55°C to 150°C. Select based on your circuit's thermal environment and design specifications.

Q: Can these parts be used interchangeably on the same PCB assembly?

A: Yes, all substitute parts use the identical DO-214AA, SMB surface-mount package. PCB footprints and reflow soldering profiles remain compatible across all listed parts.