P6SMB10A-E3/52 Equivalent & Substitute Parts

Part Overview

The P6SMB10A-E3/52 is a unidirectional transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the 8.55V reverse standoff voltage class and provides transient protection with a 14.5V maximum clamping voltage at peak pulse current. The part is active in production status and widely used in general purpose transient protection applications. Equivalent and substitute parts are identified based on matching electrical characteristics within the DO-214AA (SMB) package form factor, enabling direct board-level replacement when component availability or supply chain requirements necessitate alternative sourcing.

Key Parameters

Parameter	Value
Manufacturer Part Number	P6SMB10A-E3/52
Manufacturer	Vishay General Semiconductor - Diodes Division
Category	Transient Voltage Suppressors (TVS)
Type	Zener, Unidirectional
Package / Case	DO-214AA, SMB
Mounting Type	Surface Mount
Voltage - Reverse Standoff (Typ)	8.55V
Voltage - Breakdown (Min)	9.5V
Voltage - Clamping (Max) @ Ipp	14.5V
Current - Peak Pulse (10/1000µs)	41.4A
Power - Peak Pulse	600W
Operating Temperature Range	-65°C ~ 150°C (TJ)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the P6SMB10A-E3/52 are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

Reverse Standoff Voltage (Typ): 8.55V ± tolerance
Breakdown Voltage (Min): 9.5V minimum
Clamping Voltage (Max) @ Ipp: 14.5V to 18.6V range
Peak Pulse Current: 41.4A to 215A range
Power - Peak Pulse: 600W
Package / Case: DO-214AA, SMB (surface mount)
Mounting Type: Surface Mount
Unidirectional Channels: 1

Compliance Parameters:

RoHS Status: ROHS3 Compliant or equivalent
Moisture Sensitivity Level: 1 (Unlimited)
Operating Temperature: -55°C to -65°C minimum, 150°C maximum

Substitute parts meeting these criteria are electrically and mechanically compatible for direct board-level replacement in the P6SMB10A-E3/52 application circuit.

Parameter Comparison

Parameter	P6SMB10A-E3/52 (Vishay)	SM6T10A (STMicroelectronics)	P6SMB10A (Eaton)	SM6T10AY (STMicroelectronics)	SMBJ8.5A (Taiwan Semiconductor)	SMBJ8V5A (Fairchild)
Manufacturer	Vishay	STMicroelectronics	Eaton	STMicroelectronics	Taiwan Semiconductor	Fairchild
Voltage - Reverse Standoff (Typ)	8.55V	8.55V	8.55V	8.55V	8.5V	8.5V
Voltage - Breakdown (Min)	9.5V	9.5V	9.5V	9.5V	9.44V	9.44V
Voltage - Clamping (Max) @ Ipp	14.5V	18.6V	14.5V	18.6V	14.4V	14.4V
Current - Peak Pulse	41.4A (10/1000µs)	215A (8/20µs)	42.1A (10/1000µs)	215A (8/20µs)	43A (10/1000µs)	41.7A (10/1000µs)
Power - Peak Pulse	600W	600W	600W	600W	600W	600W
Operating Temperature Range	-65°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
Package / Case	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not specified
Product Status	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Primary Equivalent (Manufacturer Recommended): The P6SMB10A from Eaton - Electronics Division is the manufacturer-recommended equivalent. This part maintains identical electrical specifications to the P6SMB10A-E3/52, including 8.55V reverse standoff voltage, 14.5V clamping voltage, and 42.1A peak pulse current. Both parts are RoHS compliant and carry MSL 1 rating. The Eaton variant is suitable for direct substitution in applications where the original Vishay part is unavailable.

Secondary Equivalents (Electrical Match): The SMBJ8.5A (Taiwan Semiconductor Corporation) and SMBJ8V5A (Fairchild Semiconductor) provide electrical compatibility with minor parameter variations. Both maintain the 8.5V reverse standoff voltage class and 14.4V clamping voltage, with peak pulse currents of 43A and 41.7A respectively. These parts are suitable for general purpose transient protection applications requiring the DO-214AA SMB package.

Higher Performance Alternatives: The SM6T10A and SM6T10AY from STMicroelectronics offer enhanced peak pulse current capability (215A at 8/20µs pulse width) and higher clamping voltage (18.6V). The SM6T10AY carries AEC-Q101 automotive qualification. These parts are suitable for applications requiring higher transient energy absorption or automotive-grade reliability. The SM6T10AY is recommended for automotive applications.

Temperature Range Consideration: The P6SMB10A-E3/52 operates from -65°C to 150°C. All substitute parts operate from -55°C to 150°C. Applications requiring operation below -55°C must retain the original Vishay part.

Frequently Asked Questions (FAQ)

Q: Can I use SM6T10A or SM6T10AY as direct replacements for P6SMB10A-E3/52?

A: Yes, both STMicroelectronics parts are electrically compatible. They share the same 8.55V reverse standoff voltage and DO-214AA SMB package. However, they feature higher clamping voltage (18.6V vs 14.5V) and significantly higher peak pulse current (215A vs 41.4A). These characteristics make them suitable for applications with higher transient energy requirements. Verify that your circuit design accommodates the higher clamping voltage specification.

Q: What is the difference between the SM6T10A and SM6T10AY?

A: Both parts are electrically identical with matching 8.55V reverse standoff voltage, 18.6V clamping voltage, and 215A peak pulse current. The SM6T10AY carries AEC-Q101 automotive qualification and is designated as automotive grade. Select SM6T10AY for automotive applications requiring formal qualification documentation.

Q: Are SMBJ8.5A and SMBJ8V5A suitable replacements?

A: Both parts are compatible substitutes. They maintain the 8.5V reverse standoff voltage class and 14.4V clamping voltage, closely matching the original P6SMB10A-E3/52 specifications. Peak pulse currents are 43A and 41.7A respectively, comparable to the original 41.4A. These parts are suitable for general purpose transient protection in the same application circuit.

Q: What are the key electrical parameters that determine substitution compatibility?

A: Substitution compatibility is determined by: (1) Reverse Standoff Voltage within the 8.5V to 8.55V range, (2) Breakdown Voltage minimum of 9.44V to 9.5V, (3) Clamping Voltage maximum between 14.4V and 18.6V, (4) Peak Pulse Current from 41.4A to 215A, and (5) identical DO-214AA SMB package and surface mount configuration. All substitute parts listed meet these criteria.

Q: Does operating temperature range affect substitution decisions?

A: The P6SMB10A-E3/52 operates from -65°C to 150°C. All listed substitute parts operate from -55°C to 150°C. If your application requires operation below -55°C, the original Vishay part must be retained. For applications within the -55°C to 150°C range, all substitute parts are suitable.

Q: Are all substitute parts RoHS compliant?

A: The P6SMB10A-E3/52, SM6T10A, SM6T10AY, and SMBJ8.5A are ROHS3 compliant. The SMBJ8V5A from Fairchild does not specify RoHS status in the provided data. Verify RoHS compliance requirements for your application before selecting this part.

Q: Can I use higher clamping voltage parts like SM6T10A in place of the original?

A: Yes, higher clamping voltage parts (18.6V vs 14.5V) are electrically compatible and provide enhanced transient protection. However, verify that your circuit design and connected components tolerate the higher clamping voltage without adverse effects. The higher clamping voltage may result in slightly different voltage stress on protected circuits.

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