P6SMB47CA-M3/5B Equivalent & Substitute Parts

Part Overview

The P6SMB47CA-M3/5B is a bidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the 40.2V reverse standoff voltage range with a 64.8V maximum clamping voltage and is designed for general-purpose transient protection applications. The part is Active status and RoHS3 compliant, making it suitable for modern electronic designs requiring ESD and surge protection.

Equivalent and substitute parts are identified when they maintain identical or compatible electrical performance characteristics within the specified parameter tolerances for this TVS diode category, while accommodating different packaging formats or manufacturer sourcing requirements.

Key Parameters

Parameter	Value	Unit
Voltage - Reverse Standoff (Typ)	40.2	V
Voltage - Breakdown (Min)	44.7	V
Voltage - Clamping (Max) @ Ipp	64.8	V
Current - Peak Pulse (10/1000µs)	9.3	A
Power - Peak Pulse	600	W
Type	Zener	-
Bidirectional Channels	1	-
Mounting Type	Surface Mount	-
Package / Case	DO-214AA, SMB	-
Operating Temperature Range	-65°C ~ 150°C	TJ
RoHS Status	ROHS3 Compliant	-
Moisture Sensitivity Level	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitution eligibility for the P6SMB47CA-M3/5B is determined by strict equivalence across the following critical electrical parameters:

Voltage - Reverse Standoff (Typ): 40.2V
Voltage - Breakdown (Min): 44.7V
Voltage - Clamping (Max) @ Ipp: 64.8V
Current - Peak Pulse (10/1000µs): 9.3A minimum
Power - Peak Pulse: 600W minimum
Package / Case: DO-214AA, SMB (surface mount)
Type: Zener, Bidirectional (1 channel)

Substitute parts are grouped into two categories:

Direct Electrical Equivalents: Parts maintaining identical voltage ratings, clamping characteristics, and peak pulse current specifications within the same package family. These parts differ only in packaging format (Tape & Reel vs. Tape & Box) or manufacturer sourcing.

Enhanced Performance Equivalents: Parts exceeding the minimum electrical specifications (higher peak pulse current or power dissipation) while maintaining identical voltage ratings and package compatibility. These parts provide superior transient protection capability and are suitable for applications requiring additional margin.

Parameter Comparison

Part Number	Manufacturer	Vwm (Typ) V	Vbr (Min) V	Vc (Max) V	Ipp (10/1000µs) A	Ppk W	Packaging	Temp Range °C	RoHS Status
P6SMB47CA-M3/5B	Vishay	40.2	44.7	64.8	9.3	600	TB	-65 ~ 150	ROHS3
P6SMB47CA-E3/52	Vishay	40.2	44.7	64.8	9.3	600	TR	-65 ~ 150	ROHS3
P6SMB47CA	Eaton	40.2	44.7	64.8	9.4	600	CT	-55 ~ 150	RoHS
1KSMB47CA	Taiwan Semiconductor	40.2	44.7	64.8	15.4	1000	TR	-55 ~ 175	ROHS3
SMBJP6KE47CA-TP	Micro Commercial Co	40.2	44.7	64.8	9.4	600	TR	-55 ~ 175	ROHS3
TPSMB47CA	Littelfuse Inc.	40.2	44.7	64.8	9.4	600	TR	-65 ~ 175	ROHS3

Engineering Selection Recommendations

P6SMB47CA-E3/52 (Vishay): Direct equivalent with identical electrical specifications and temperature range. Differs only in packaging format (Tape & Reel vs. Tape & Box). Maintains ROHS3 compliance and Active product status. Suitable for direct substitution in high-volume production environments.

P6SMB47CA (Eaton): Electrical equivalent with marginally higher peak pulse current (9.4A vs. 9.3A). Operating temperature range reduced to -55°C minimum. RoHS compliant. Suitable for applications not requiring the extended -65°C lower temperature limit.

1KSMB47CA (Taiwan Semiconductor): Enhanced performance substitute with 15.4A peak pulse current and 1000W power dissipation (66% higher than base specification). Extended operating temperature range to 175°C. ROHS3 compliant and Active status. Recommended for applications requiring additional transient protection margin or higher ambient temperature operation.

SMBJP6KE47CA-TP (Micro Commercial Co): Electrical equivalent with 9.4A peak pulse current. Extended operating temperature range to 175°C. ROHS3 compliant. High inventory availability (49,935 pcs). Suitable for general-purpose substitution with improved thermal performance.

TPSMB47CA (Littelfuse Inc.): Electrical equivalent with 9.4A peak pulse current and extended temperature range to 175°C. AEC-Q101 automotive qualification and ROHS3 compliance. Recommended for automotive and mission-critical applications requiring automotive-grade reliability.

Frequently Asked Questions (FAQ)

Q: Can P6SMB47CA-E3/5B replace P6SMB47CA-M3/5B directly?

A: Yes. Both parts are manufactured by Vishay with identical electrical specifications (40.2V standoff, 64.8V clamping, 9.3A peak pulse). The difference is packaging format: E3/52 uses Tape & Reel while M3/5B uses Tape & Box. Both maintain -65°C to 150°C operating range and ROHS3 compliance.

Q: What is the difference between the Eaton P6SMB47CA and Vishay P6SMB47CA-M3/5B?

A: Electrical specifications are nearly identical (9.4A vs. 9.3A peak pulse current). The Eaton part has a reduced lower operating temperature limit (-55°C vs. -65°C). Both are RoHS compliant and suitable for general-purpose applications.

Q: When should I use 1KSMB47CA instead of P6SMB47CA-M3/5B?

A: The 1KSMB47CA provides enhanced protection with 15.4A peak pulse current and 1000W power dissipation compared to 9.3A and 600W. Use this part when applications require higher transient energy absorption, extended temperature operation to 175°C, or additional design margin for surge protection.

Q: Is TPSMB47CA suitable for automotive applications?

A: Yes. TPSMB47CA is AEC-Q101 qualified and ROHS3 compliant, making it suitable for automotive and mission-critical applications. It maintains identical voltage ratings (40.2V standoff, 64.8V clamping) with 9.4A peak pulse current and extended temperature range to 175°C.

Q: What packaging formats are available for P6SMB47 series substitutes?

A: Available packaging formats include Tape & Box (TB), Tape & Reel (TR), and Cut Tape with Digi-Reel (CT). All maintain DO-214AA (SMB) case package compatibility for surface mount assembly. Selection depends on production volume and assembly equipment requirements.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts are RoHS compliant. Vishay and Taiwan Semiconductor parts are ROHS3 compliant. Eaton P6SMB47CA is RoHS compliant. All parts meet REACH requirements and carry EAR99 export classification.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message