P6SMB51CA-M3/52 Equivalent & Substitute Parts

Part Overview

The P6SMB51CA-M3/52 is a bidirectional transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the DO-214AA (SMB) package and provides 43.6V reverse standoff voltage with 70.1V maximum clamping voltage at 8.6A peak pulse current. The part is classified as Active status and is RoHS3 compliant. Equivalent and substitute parts are identified based on matching electrical performance parameters and mechanical compatibility within the TVS diode category.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	43.6	V
Voltage - Breakdown (Min)	48.5	V
Voltage - Clamping (Max) @ Ipp	70.1	V
Current - Peak Pulse (10/1000µs)	8.6	A
Power - Peak Pulse	600	W
Mounting Type	Surface Mount	-
Package / Case	DO-214AA, SMB	-
Operating Temperature Range	-65°C ~ 150°C	TJ
Type	Zener	-
Bidirectional Channels	1	-

Substitute Part Grouping Explanation

Substitute parts for the P6SMB51CA-M3/52 are qualified based on the following criteria:

Critical Matching Parameters:

Voltage - Reverse Standoff (Typ): 43.6V
Voltage - Clamping (Max) @ Ipp: 70.1V
Voltage - Breakdown (Min): 48.5V
Package / Case: DO-214AA, SMB
Mounting Type: Surface Mount
Type: Zener, Bidirectional (1 channel)
Applications: General Purpose

Allowable Variations:

Current - Peak Pulse: Equal or greater than 8.6A
Power - Peak Pulse: Equal or greater than 600W
Operating Temperature Range: May extend beyond the original range
Packaging format: Tape & Reel (TR) acceptable as substitute for Tape & Box (TB)
Manufacturer: Different manufacturers permitted if electrical and mechanical specifications match

Parameter Comparison

Parameter	P6SMB51CA-M3/52 (Vishay)	P6SMB51CA-E3/52 (Vishay)	1KSMB51CA (Taiwan Semiconductor)	P6SMB51CA (Good-Ark)
Manufacturer	Vishay General Semiconductor	Vishay General Semiconductor	Taiwan Semiconductor Corporation	Good-Ark Semiconductor
Voltage - Reverse Standoff (Typ)	43.6V	43.6V	43.6V	43.6V
Voltage - Breakdown (Min)	48.5V	48.5V	48.5V	48.5V
Voltage - Clamping (Max) @ Ipp	70.1V	70.1V	70.1V	70.1V
Current - Peak Pulse (10/1000µs)	8.6A	8.6A	14.3A	8.6A
Power - Peak Pulse	600W	600W	1000W	600W
Operating Temperature Range	-65°C ~ 150°C	-65°C ~ 150°C	-55°C ~ 175°C	-55°C ~ 150°C
Package / Case	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Type	Zener	Zener	Zener	Zener
Bidirectional Channels	1	1	1	1
Packaging Format	Tape & Box (TB)	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
Product Status	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All substitute parts listed maintain Active product status and ROHS3 compliance, meeting regulatory requirements for new designs and production environments.

P6SMB51CA-E3/52 (Vishay): Direct electrical equivalent with identical voltage and current specifications. Differs only in packaging format (Tape & Reel vs. Tape & Box). Suitable for high-volume production environments where reel packaging is standard.

1KSMB51CA (Taiwan Semiconductor): Meets all critical voltage parameters with enhanced current rating (14.3A vs. 8.6A) and power dissipation (1000W vs. 600W). Operating temperature range extends to 175°C. Appropriate for applications requiring higher transient current handling or elevated temperature operation.

P6SMB51CA (Good-Ark Semiconductor): Electrical specifications match the original part exactly. Available in Tape & Reel format. Suitable for applications with standard thermal and current requirements.

Frequently Asked Questions (FAQ)

Q: Can P6SMB51CA-E3/52 replace P6SMB51CA-M3/52 directly?

A: Yes. Both parts are manufactured by Vishay with identical electrical specifications (43.6V standoff, 70.1V clamping, 8.6A peak pulse). The only difference is packaging format: E3/52 uses Tape & Reel while M3/52 uses Tape & Box. PCB footprint and soldering requirements are identical.

Q: Is 1KSMB51CA a suitable substitute if my circuit requires higher transient current handling?

A: Yes, if your application can accommodate the enhanced specifications. The 1KSMB51CA provides 14.3A peak pulse current and 1000W power dissipation compared to 8.6A and 600W in the original part. All voltage parameters remain identical. Operating temperature range extends to 175°C.

Q: What are the key parameters that determine substitutability?

A: Voltage - Reverse Standoff (43.6V), Voltage - Clamping (70.1V), Voltage - Breakdown (48.5V), and package type (DO-214AA SMB) must match exactly. Current and power ratings may be equal or higher. All substitutes must maintain surface mount configuration and bidirectional operation.

Q: Are all listed substitutes RoHS3 compliant?

A: Yes. All parts listed are RoHS3 compliant with MSL rating of 1 (Unlimited), meeting environmental and regulatory requirements for current manufacturing standards.

Q: Can I use Good-Ark P6SMB51CA in place of Vishay P6SMB51CA-M3/52?

A: Yes. The Good-Ark part matches all critical electrical parameters and package specifications. Both are Active status products with identical voltage ratings and current specifications. Packaging format is Tape & Reel.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message