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

Part Overview

The P6SMB7.5CA-M3/52 is a transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This bidirectional Zener diode operates in the DO-214AA (SMB) package and is designed for general-purpose transient voltage suppression applications. The part features a 6.4V reverse standoff voltage, 11.3V maximum clamping voltage, and 53.1A peak pulse current capability with 600W peak pulse power rating. Currently in active production status with 696 units in stock, this component is ROHS3 compliant and carries unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical characteristics and mechanical compatibility within the TVS diode category.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	6.4	V
Voltage - Breakdown (Min)	7.13	V
Voltage - Clamping (Max) @ Ipp	11.3	V
Current - Peak Pulse (10/1000µs)	53.1	A
Power - Peak Pulse	600	W
Operating Temperature Range	-65 to 150	°C (TJ)
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

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

Primary Matching Criteria:

Voltage - Reverse Standoff (Typ): 6.4V
Voltage - Breakdown (Min): 7.13V
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
Bidirectional Channels: 1
Type: Zener
RoHS Status: ROHS3 Compliant

Acceptable Variation Parameters:

Voltage - Clamping (Max) @ Ipp: 11.3V to 14.5V (within application tolerance)
Current - Peak Pulse: 53.1A to 276A (higher current capability acceptable)
Operating Temperature Range: -55°C to 175°C (encompasses or matches original range)
Packaging Format: Tape & Box (TB), Cut Tape (CT), or Tape & Reel (TR)

Substitutes are grouped into two categories: direct electrical equivalents with identical clamping voltage (11.3V) and functional equivalents with higher clamping voltage (14.5V) that maintain the same standoff and breakdown voltages.

Parameter Comparison

Part Number	Manufacturer	Voltage - Reverse Standoff (Typ)	Voltage - Breakdown (Min)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse	Power - Peak Pulse	Operating Temperature	Package	Packaging Format
P6SMB7.5CA-M3/52	Vishay General Semiconductor	6.4V	7.13V	11.3V	53.1A (10/1000µs)	600W	-65 to 150°C	DO-214AA, SMB	Tape & Box
P6SMB7.5CA-E3/52	Vishay General Semiconductor	6.4V	7.13V	11.3V	53.1A (10/1000µs)	600W	-65 to 150°C	DO-214AA, SMB	Cut Tape
P6SMB7.5CA	Taiwan Semiconductor Corporation	6.4V	7.13V	11.3V	55A (10/1000µs)	600W	-55 to 150°C	DO-214AA, SMB	Tape & Reel
SM6T7V5CA	STMicroelectronics	6.4V	7.13V	14.5V	276A (8/20µs)	600W	-55 to 150°C	DO-214AA, SMB	Cut Tape & Digi-Reel
SM6T7V5CAY	STMicroelectronics	6.4V	7.13V	14.5V	276A (8/20µs)	600W	-55 to 150°C	DO-214AA, SMB	Tape & Reel
SMBJP6KE7.5CA-TP	Micro Commercial Co	6.4V	7.13V	11.3V	54A (10/1000µs)	600W	-55 to 175°C	DO-214AA, SMB	Tape & Reel

Engineering Selection Recommendations

Direct Electrical Equivalents (11.3V Clamping):

The P6SMB7.5CA-E3/52 (Vishay, Cut Tape format) and P6SMB7.5CA (Taiwan Semiconductor Corporation, Tape & Reel format) provide identical electrical performance to the P6SMB7.5CA-M3/52. Selection between these options depends on packaging requirements: Cut Tape for lower-volume applications or Tape & Reel for high-volume production. The Taiwan Semiconductor Corporation variant offers higher inventory availability (23,750 units) compared to the original part (696 units).

The SMBJP6KE7.5CA-TP (Micro Commercial Co) maintains the 11.3V clamping specification with 54A peak pulse current and extends the operating temperature range to -55 to 175°C, providing enhanced thermal performance for applications requiring higher temperature operation.

Functional Equivalents (14.5V Clamping):

The SM6T7V5CA and SM6T7V5CAY (STMicroelectronics) are functionally equivalent alternatives with higher clamping voltage (14.5V) and significantly higher peak pulse current (276A at 8/20µs). These parts maintain the same 6.4V standoff and 7.13V breakdown voltages. The SM6T7V5CAY variant includes AEC-Q101 automotive qualification, suitable for automotive-grade applications. Selection of these parts is appropriate when higher transient current suppression capability is required within the same voltage class.

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing processes.

Frequently Asked Questions (FAQ)

Q: Can I substitute P6SMB7.5CA-E3/52 for P6SMB7.5CA-M3/52?

A: Yes. Both parts are manufactured by Vishay General Semiconductor with identical electrical specifications (6.4V standoff, 7.13V breakdown, 11.3V clamping, 53.1A peak pulse current). The difference is packaging format: the original uses Tape & Box while the substitute uses Cut Tape. Both are suitable for surface mount assembly in DO-214AA (SMB) package.

Q: What is the difference between the 11.3V and 14.5V clamping voltage variants?

A: The SM6T7V5CA and SM6T7V5CAY (STMicroelectronics) feature 14.5V maximum clamping voltage compared to 11.3V in the original part. Both maintain the same 6.4V reverse standoff voltage. The higher clamping voltage allows these parts to suppress larger transient events with significantly higher peak pulse current (276A versus 53.1A). Selection depends on the specific transient voltage suppression requirements of the application.

Q: Are the STMicroelectronics SM6T7V5CA and SM6T7V5CAY interchangeable?

A: Both parts have identical electrical specifications and package type (DO-214AA, SMB). The difference is packaging format: SM6T7V5CA uses Cut Tape & Digi-Reel format while SM6T7V5CAY uses Tape & Reel format. Additionally, SM6T7V5CAY includes AEC-Q101 automotive qualification. Selection depends on packaging requirements and whether automotive-grade qualification is needed.

Q: Can I use SMBJP6KE7.5CA-TP as a direct replacement?

A: Yes. The SMBJP6KE7.5CA-TP maintains the same electrical specifications (6.4V standoff, 7.13V breakdown, 11.3V clamping, 54A peak pulse current) and DO-214AA (SMB) package. It extends the operating temperature range to -55 to 175°C, providing enhanced thermal performance. This part is suitable for applications requiring higher temperature operation.

Q: What packaging formats are available for these substitutes?

A: Available packaging formats include Tape & Box (TB), Cut Tape (CT), Tape & Reel (TR), and Cut Tape & Digi-Reel. Tape & Reel format is standard for high-volume production. Cut Tape is suitable for lower-volume applications. Selection depends on assembly volume and inventory management requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity level, ensuring compatibility with standard manufacturing processes and environmental regulations.

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