P6SMB47A-M3/52 Equivalent & Substitute Parts

Part Overview

The P6SMB47A-M3/52 is a unidirectional 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. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and application-specific performance requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

P6SMB47A-M3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 892P6SMB47A-M3/52 Datasheet

Current PartRFQ

P6SMB47A-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 7203P6SMB47A-E3/52 Datasheet

DirectRFQ

SMBJP6KE47A-TP

Micro Commercial CoIn Stock: 3979SMBJP6KE47A-TP Datasheet

UpgradeRFQ

1KSMB47A

Taiwan Semiconductor CorporationIn Stock: 305051KSMB47A Datasheet

MFR RecommendedRFQ

P6SMB47A

Eaton - Electronics DivisionIn Stock: 17238P6SMB47A Datasheet

MFR RecommendedRFQ

P6SMB47A

Eaton - Electronics DivisionIn Stock: 17238P6SMB47A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the P6SMB47A-M3/52 are qualified based on the following critical parameters that determine functional and mechanical compatibility:

Electrical Parameters (Must Match):

• Voltage - Reverse Standoff (Typ): 40.2V
• Voltage - Breakdown (Min): 44.7V
• Voltage - Clamping (Max) @ Ipp: 64.8V
• Unidirectional Channels: 1
• Type: Zener

Mechanical Parameters (Must Match):

• Package / Case: DO-214AA, SMB
• Mounting Type: Surface Mount

Allowed Variations:

• Current - Peak Pulse (10/1000µs): 9.3A to 15.4A (higher current capability acceptable)
• Power - Peak Pulse: 600W to 1000W (higher power rating acceptable)
• Operating Temperature Range: May extend beyond -65°C ~ 150°C
• Packaging Format: Tape & Box (TB) or Tape & Reel (TR)
• Manufacturer: Different qualified manufacturers acceptable

Substitute parts meeting these criteria maintain electrical performance and mechanical fit while offering procurement alternatives.

Parameter Comparison

Engineering Selection Recommendations

All identified substitute parts maintain Active product status and meet RoHS compliance requirements, ensuring long-term availability and regulatory conformance.

P6SMB47A-E3/52 (Vishay): Direct equivalent with identical electrical specifications and operating temperature range. Differs only in packaging format (Tape & Reel vs. Tape & Box). Suitable for high-volume procurement requiring reel packaging.

SMBJP6KE47A-TP (Micro Commercial Co): Functionally equivalent with marginally higher peak pulse current (9.4A vs. 9.3A) and extended upper operating temperature (175°C vs. 150°C). Maintains 600W peak pulse power rating. Appropriate for applications requiring extended thermal performance.

1KSMB47A (Taiwan Semiconductor): Functionally equivalent with enhanced current handling (15.4A peak pulse) and power dissipation (1000W peak pulse). Extended operating temperature range (-55°C ~ 175°C). Suitable for applications requiring higher transient current capacity or thermal margin.

P6SMB47A (Eaton): Functionally equivalent with 9.4A peak pulse current and 600W power rating. Operating temperature range -55°C ~ 150°C. Maintains compatibility with general-purpose and telecom applications.

Frequently Asked Questions (FAQ)

Q: Can I substitute P6SMB47A-E3/52 for P6SMB47A-M3/52? 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: P6SMB47A-M3/52 uses Tape & Box while P6SMB47A-E3/52 uses Tape & Reel. Electrical performance and PCB mounting are equivalent.

Q: What is the difference between the 1KSMB47A and the original P6SMB47A-M3/52? A: The 1KSMB47A maintains identical voltage specifications (40.2V standoff, 64.8V clamping) but offers higher current capacity (15.4A vs. 9.3A) and power dissipation (1000W vs. 600W). Operating temperature extends to 175°C. Use the 1KSMB47A when applications require greater transient current handling or thermal headroom.

Q: Are all substitute parts in the same DO-214AA package? A: Yes. All substitute parts use the DO-214AA (SMB or SMBJ variant) surface mount package, ensuring mechanical compatibility and identical PCB footprint.

Q: Do substitute parts meet the same compliance standards? A: All substitute parts are ROHS compliant (ROHS3 or RoHS), have MSL rating of 1 (Unlimited), and maintain Active product status. Compliance certifications are equivalent across all options.

Q: Which substitute should I select for high-volume production? A: P6SMB47A-E3/52 (Vishay) or 1KSMB47A (Taiwan Semiconductor) are recommended for high-volume applications. Both offer Tape & Reel packaging and substantial inventory availability (7150 and 30400 units respectively).

Q: Can I use SMBJP6KE47A-TP in applications requiring operation above 150°C? A: Yes. SMBJP6KE47A-TP supports operating temperatures up to 175°C, making it suitable for high-temperature environments where the original P6SMB47A-M3/52 (limited to 150°C) may not be appropriate.