P6SMB47CA-M3/52 Equivalent & Substitute Parts

Part Overview

The P6SMB47CA-M3/52 is a bidirectional Zener transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the DO-214AA (SMB) package and is designed for general-purpose transient voltage suppression applications. The part is Active status and RoHS3 compliant. Substitute parts are necessary to address supply chain availability, packaging format requirements, or performance specifications that may better suit specific application demands.

Key Parameters

Parameter	Value
Manufacturer Part Number	P6SMB47CA-M3/52
Manufacturer	Vishay General Semiconductor - Diodes Division
Category	Transient Voltage Suppressors (TVS)
Type	Zener
Voltage - Reverse Standoff (Typ)	40.2V
Voltage - Breakdown (Min)	44.7V
Voltage - Clamping (Max) @ Ipp	64.8V
Current - Peak Pulse (10/1000µs)	9.3A
Power - Peak Pulse	600W
Package / Case	DO-214AA, SMB
Mounting Type	Surface Mount
Operating Temperature	-65°C ~ 150°C (TJ)
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the P6SMB47CA-M3/52 are qualified based on the following electrical and mechanical parameters:

Voltage - Reverse Standoff (Typ): 40.2V
Voltage - Breakdown (Min): 44.7V
Voltage - Clamping (Max) @ Ipp: 64.8V
Package / Case: DO-214AA, SMB (surface mount)
Bidirectional Channels: 1
Type: Zener

All substitute parts maintain identical voltage specifications and package compatibility. Variations in peak pulse current (9.3A to 15.4A) and power dissipation (600W to 1000W) represent enhanced performance characteristics that remain functionally compatible within the same application class. Packaging format differences (Tape & Box, Tape & Reel, Cut Tape) do not affect electrical performance and are driven by supply chain and procurement requirements.

Parameter Comparison

Parameter	P6SMB47CA-M3/52 (Vishay)	P6SMB47CA-E3/52 (Vishay)	1KSMB47CA (TSC)	P6SMB47CA (Eaton)	SMBJP6KE47CA-TP (MCC)	TPSMB47CA (Littelfuse)
Voltage - Reverse Standoff (Typ)	40.2V	40.2V	40.2V	40.2V	40.2V	40.2V
Voltage - Breakdown (Min)	44.7V	44.7V	44.7V	44.7V	44.7V	44.7V
Voltage - Clamping (Max) @ Ipp	64.8V	64.8V	64.8V	64.8V	64.8V	64.8V
Current - Peak Pulse (10/1000µs)	9.3A	9.3A	15.4A	9.4A	9.4A	9.4A
Power - Peak Pulse	600W	600W	1000W	600W	600W	600W
Package / Case	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB
Operating Temperature	-65°C ~ 150°C	-65°C ~ 150°C	-55°C ~ 175°C	-55°C ~ 150°C	-55°C ~ 175°C	-65°C ~ 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts maintain Active product status and full RoHS3 compliance, ensuring regulatory alignment and long-term supply viability. Selection among these alternatives should be based on the following factors:

Packaging Format: P6SMB47CA-E3/52 (Tape & Reel) and SMBJP6KE47CA-TP (Tape & Reel) are optimized for high-volume automated assembly. P6SMB47CA (Cut Tape & Digi-Reel) provides flexibility for mixed-volume production. P6SMB47CA-M3/52 (Tape & Box) suits lower-volume or manual assembly workflows.

Performance Headroom: 1KSMB47CA (Taiwan Semiconductor Corporation) offers enhanced peak pulse current (15.4A) and power dissipation (1000W), providing additional margin for applications with higher transient stress. TPSMB47CA (Littelfuse) includes AEC-Q101 automotive qualification, suitable for automotive-grade applications.

Temperature Range: TPSMB47CA and 1KSMB47CA extend the upper operating temperature to 175°C, beneficial for high-temperature environments. P6SMB47CA-M3/52 and P6SMB47CA-E3/52 are limited to 150°C.

Manufacturer Availability: SMBJP6KE47CA-TP (Micro Commercial Co) maintains the highest inventory (49,935 pcs), ensuring supply continuity. P6SMB47CA (Eaton) provides 2,900 pcs. All parts are Active status with no obsolescence risk indicated.

Frequently Asked Questions (FAQ)

Q: Can I substitute P6SMB47CA-M3/52 with any of the listed alternatives?

A: Yes. All listed parts share identical voltage specifications (40.2V standoff, 44.7V breakdown, 64.8V clamping) and the same DO-214AA SMB package. Electrical performance is equivalent for general-purpose transient voltage suppression applications.

Q: What is the difference between the packaging formats?

A: Tape & Box (TB) is suitable for manual or low-volume assembly. Tape & Reel (TR) and Cut Tape (CT) are optimized for automated pick-and-place equipment. The electrical performance is identical; packaging choice depends on assembly process requirements.

Q: Why does 1KSMB47CA have higher peak pulse current (15.4A vs 9.3A)?

A: This represents enhanced performance capability from Taiwan Semiconductor Corporation. The higher current rating provides additional transient suppression margin without changing the voltage clamping characteristics. It is a direct substitute with improved specifications.

Q: Is TPSMB47CA suitable for automotive applications?

A: Yes. TPSMB47CA carries AEC-Q101 automotive qualification and operates across -65°C to 175°C, making it suitable for automotive-grade designs. Other alternatives are general-purpose rated.

Q: Do all substitutes maintain RoHS3 compliance?

A: Five of the six alternatives are explicitly ROHS3 compliant. P6SMB47CA (Eaton) is RoHS compliant. All meet environmental regulatory requirements for commercial and industrial applications.

Q: Can I use these parts interchangeably on the same PCB?

A: Yes. All parts use the same DO-214AA SMB footprint and have identical pinout. No PCB redesign is required for substitution.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message