P6SMB510A-E3/5B Equivalent & Substitute Parts

Part Overview

The P6SMB510A-E3/5B is a unidirectional Zener transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This component is designed for general-purpose transient voltage suppression in surface-mount applications using the DO-214AA (SMB) package. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Voltage - Reverse Standoff (Typ)	434V
Voltage - Breakdown (Min)	485V
Voltage - Clamping (Max) @ Ipp	698V
Current - Peak Pulse (10/1000µs)	860mA
Power - Peak Pulse	600W
Operating Temperature Range	-65°C ~ 150°C (TJ)
Package / Case	DO-214AA, SMB
Type	Zener
Unidirectional Channels	1
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution for the P6SMB510A-E3/5B is determined by strict equivalence across the following critical parameters:

Voltage - Reverse Standoff (Typ): 434V
Voltage - Breakdown (Min): 485V
Voltage - Clamping (Max) @ Ipp: 698V
Package / Case: DO-214AA, SMB
Type: Zener
Unidirectional Channels: 1
Mounting Type: Surface Mount

All identified substitute parts maintain these core electrical and mechanical specifications. Variations in peak pulse current (860mA vs. 900mA) and operating temperature ranges represent acceptable performance enhancements within the same functional category. Packaging format differences (Tape & Box vs. Tape & Reel) do not affect electrical compatibility.

Parameter Comparison

Part Number	Manufacturer	Product Status	Voltage - Reverse Standoff (Typ)	Voltage - Breakdown (Min)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Operating Temperature	Package	RoHS Status
P6SMB510A-E3/5B	Vishay General Semiconductor - Diodes Division	Obsolete	434V	485V	698V	860mA	600W	-65°C ~ 150°C	DO-214AA (SMB)	ROHS3 Compliant
P6SMB510A-M3/52	Vishay General Semiconductor - Diodes Division	Active	434V	485V	698V	860mA	600W	-65°C ~ 150°C	DO-214AA (SMBJ)	ROHS3 Compliant
P6SMB510A-M3/5B	Vishay General Semiconductor - Diodes Division	Active	434V	485V	698V	860mA	600W	-65°C ~ 150°C	DO-214AA (SMBJ)	ROHS3 Compliant
SMBJP6KE510A-TP	Micro Commercial Co	Active	434V	485V	698V	900mA	600W	-55°C ~ 175°C	DO-214AA (SMBJ)	ROHS3 Compliant
P6SMB510A	Eaton - Electronics Division	Active	434V	485V	698V	900mA	600W	-55°C ~ 150°C	DO-214AA, SMB	RoHS Compliant

Engineering Selection Recommendations

The P6SMB510A-E3/5B is obsolete and should be replaced with an active equivalent. The following selection criteria apply:

Primary Recommendation: P6SMB510A-M3/5B or P6SMB510A-M3/52 (Vishay General Semiconductor - Diodes Division). These parts maintain identical electrical specifications and operating temperature range as the original component while offering active product status and ROHS3 compliance. Both are available in Tape & Box packaging.

Alternative Recommendation: P6SMB510A (Eaton - Electronics Division). This part provides identical voltage specifications with enhanced peak pulse current capability (900mA vs. 860mA) and extended upper operating temperature limit (-55°C ~ 150°C). It is actively manufactured and RoHS compliant.

Secondary Alternative: SMBJP6KE510A-TP (Micro Commercial Co). This part meets all core voltage and power specifications with enhanced peak pulse current (900mA) and extended operating temperature range (-55°C ~ 175°C). It is available in Tape & Reel packaging and maintains ROHS3 compliance.

All substitute parts are surface-mount components in the DO-214AA (SMB/SMBJ) package family and are suitable for direct replacement in existing PCB designs.

Frequently Asked Questions (FAQ)

Q: Can P6SMB510A-M3/5B be used as a direct replacement for P6SMB510A-E3/5B?

A: Yes. Both parts share identical voltage specifications (434V standoff, 485V breakdown, 698V clamping), peak pulse current (860mA), power rating (600W), and operating temperature range (-65°C ~ 150°C). The primary difference is product status (active vs. obsolete) and packaging format (Tape & Box vs. original packaging).

Q: What is the difference between P6SMB510A-M3/52 and P6SMB510A-M3/5B?

A: Both parts are electrically and functionally identical. The difference lies in packaging format designation. Both are Vishay products with active status, identical specifications, and ROHS3 compliance.

Q: Can SMBJP6KE510A-TP be used instead of the original part?

A: Yes, with the following considerations: SMBJP6KE510A-TP maintains all critical voltage specifications and power rating. It offers enhanced peak pulse current (900mA vs. 860mA) and extended operating temperature range (-55°C ~ 175°C vs. -65°C ~ 150°C). These represent performance improvements suitable for the same application category.

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

A: Tape & Box (TB) and Tape & Reel (TR) are packaging and delivery formats that do not affect electrical performance. Selection depends on procurement volume and assembly line requirements. Both formats contain the same component in the DO-214AA (SMB/SMBJ) package.

Q: Are all substitute parts RoHS compliant?

A: Yes. All identified substitute parts maintain RoHS compliance (either ROHS3 or RoHS Compliant status), ensuring compatibility with environmental and regulatory requirements.

Q: Does the higher peak pulse current in alternative parts affect compatibility?

A: No. The SMBJP6KE510A-TP and P6SMB510A (Eaton) variants with 900mA peak pulse current represent enhanced performance within the same functional specification. They are fully compatible with designs specified for 860mA operation.

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