P6SMB7.5A-M3/52 Equivalent & Substitute Parts

Part Overview

The P6SMB7.5A-M3/52 is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the 6.4V reverse standoff voltage class and provides transient protection for general-purpose applications. The part is actively produced, RoHS3 compliant, and available in high volume. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.

Substiute Parts

P6SMB7.5A-M3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 1189P6SMB7.5A-M3/52 Datasheet

Current PartRFQ

P6SMB7.5A-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 15990P6SMB7.5A-E3/52 Datasheet

DirectRFQ

P6SMB7.5A

Taiwan Semiconductor CorporationIn Stock: 300116P6SMB7.5A Datasheet

MFR RecommendedRFQ

SM6T7V5A

STMicroelectronicsIn Stock: 9706SM6T7V5A Datasheet

MFR RecommendedRFQ

SM6T7V5AY

STMicroelectronicsIn Stock: 1581SM6T7V5AY Datasheet

MFR RecommendedRFQ

SMBJP6KE7.5A-TP

Micro Commercial CoIn Stock: 827SMBJP6KE7.5A-TP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the P6SMB7.5A-M3/52 are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

• Voltage - Reverse Standoff (Typ): 6.4V
• Voltage - Breakdown (Min): 7.13V
• Package / Case: DO-214AA, SMB (surface mount)
• Mounting Type: Surface Mount
• Unidirectional Channels: 1
• Type: Zener

Allowable Variation Parameters:

• Voltage - Clamping (Max) @ Ipp: 11.3V to 14.5V (higher clamping voltage acceptable for transient suppression)
• Current - Peak Pulse (10/1000µs): 53.1A to 276A (higher current rating acceptable)
• Operating Temperature Range: -65°C to -55°C minimum; 150°C to 175°C maximum (extended ranges acceptable)
• Packaging Format: Tape & Box (TB), Tape & Reel (TR), or Cut Tape (CT) formats are interchangeable for the same component

Substitutes maintain identical voltage class, package form factor, and mounting technology while permitting higher performance ratings in clamping voltage and peak pulse current.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts maintain active product status and ROHS3 compliance, ensuring long-term availability and regulatory alignment with the original P6SMB7.5A-M3/52.

Vishay Direct Substitutes (P6SMB7.5A-E3/52): Identical electrical specifications and operating temperature range. Packaging differs only in format (Tape & Reel versus Tape & Box), with no functional impact on component performance or PCB assembly compatibility.

Taiwan Semiconductor P6SMB7.5A: Maintains identical voltage class and clamping characteristics. Peak pulse current specification (55A) is marginally higher than the original (53.1A), providing equivalent or superior transient suppression. Operating temperature minimum is -55°C versus -65°C; this difference is acceptable for most general-purpose applications operating above -55°C.

STMicroelectronics SM6T7V5A and SM6T7V5AY: Both parts operate in the same 6.4V voltage class with identical breakdown voltage. Clamping voltage is higher (14.5V versus 11.3V), and peak pulse current is significantly higher (276A at 8/20µs pulse width). These characteristics provide enhanced transient suppression capability. SM6T7V5AY includes AEC-Q101 automotive qualification; SM6T7V5A does not. Both operate at -55°C to 150°C.

Micro Commercial Co SMBJP6KE7.5A-TP: Electrical specifications closely match the original part (11.3V clamping, 54A peak pulse). Operating temperature range extends to 175°C maximum, supporting higher-temperature applications. Packaging format is Tape & Reel.

Frequently Asked Questions (FAQ)

Q: Can I substitute P6SMB7.5A-E3/52 for P6SMB7.5A-M3/52 without design changes?

A: Yes. Both parts are manufactured by Vishay with identical electrical specifications, voltage ratings, and operating temperature ranges. The only difference is packaging format (Tape & Reel versus Tape & Box). PCB footprint and assembly compatibility are unchanged.

Q: What is the difference between the STMicroelectronics SM6T7V5A and SM6T7V5AY?

A: Both parts have identical electrical specifications and package form. SM6T7V5AY includes AEC-Q101 automotive qualification and is specified for automotive applications. SM6T7V5A is the standard industrial version. Selection depends on application requirements.

Q: Why do some substitute parts have higher clamping voltages (14.5V versus 11.3V)?

A: Higher clamping voltage indicates the component will clamp transient overvoltage at a higher level while still protecting the circuit. For the 6.4V voltage class, clamping voltages between 11.3V and 14.5V are acceptable substitutes. The choice depends on the specific transient protection threshold required by the protected circuit.

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

A: Yes. All listed substitute parts use the DO-214AA (SMB) surface mount package. PCB footprint compatibility is maintained across all substitutes.

Q: What packaging formats are available for these TVS diodes?

A: The P6SMB7.5A-M3/52 is supplied in Tape & Box (TB) format. Equivalent parts are available in Tape & Reel (TR) and Cut Tape (CT) formats. All formats contain the same component; packaging format selection is based on assembly line requirements and volume needs.

Q: Can I use the Taiwan Semiconductor P6SMB7.5A if my application requires -65°C operation?

A: No. The Taiwan Semiconductor part specifies a minimum operating temperature of -55°C. If your application requires operation below -55°C, use the Vishay P6SMB7.5A-M3/52 or P6SMB7.5A-E3/52, both rated to -65°C.

Q: Which substitute offers the best transient suppression performance?

A: The STMicroelectronics SM6T7V5A and SM6T7V5AY offer the highest peak pulse current rating (276A at 8/20µs) and are suitable for applications requiring maximum transient suppression capability within the 6.4V voltage class.