SMBG10-E3/52 Equivalent & Substitute Parts

Part Overview

The SMBG10-E3/52 is a unidirectional Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, part of the TransZorb® series. This surface mount component is designed for general-purpose transient voltage suppression applications with a 10V reverse standoff voltage and 18.8V maximum clamping voltage. The part is currently listed as obsolete, making identification of suitable substitute components essential for ongoing design support and procurement.

Substiute Parts

SMBG10-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 1065SMBG10-E3/52 Datasheet

Current PartRFQ

SMBG10A-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 798SMBG10A-E3/52 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the SMBG10-E3/52 is determined by strict equivalence across the following critical parameters:

• Reverse standoff voltage: 10V (nominal)
• Breakdown voltage minimum: 11.1V
• Unidirectional channel configuration: 1 channel
• Package type: DO-215AA (SMB Gull Wing)
• Mounting type: Surface Mount
• Series compatibility: TransZorb® family
• Thermal operating range: -55°C ~ 150°C

The SMBG10A-E3/52 qualifies as a direct substitute based on matching all critical electrical and mechanical parameters. While the clamping voltage and peak pulse current differ slightly, these variations remain within the functional tolerance for general-purpose TVS applications and do not preclude substitution in equivalent circuit designs.

Parameter Comparison

Engineering Selection Recommendations

The SMBG10A-E3/52 is the primary substitute for the obsolete SMBG10-E3/52. Selection is supported by the following factors:

Both components maintain identical reverse standoff voltage (10V) and breakdown voltage minimum (11.1V), ensuring equivalent circuit protection thresholds. The SMBG10A-E3/52 offers improved availability as an active product status component, eliminating procurement constraints associated with obsolete inventory.

Both parts maintain ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), satisfying regulatory and environmental requirements. Identical thermal operating ranges (-55°C ~ 150°C) ensure functional equivalence across temperature extremes.

The SMBG10A-E3/52 exhibits a lower maximum clamping voltage (17V versus 18.8V) and higher peak pulse current capability (35.3A versus 31.9A), representing improved transient suppression performance within the same power envelope (600W peak pulse).

Frequently Asked Questions (FAQ)

Q: Can the SMBG10A-E3/52 be used as a direct replacement for the SMBG10-E3/52?

A: Yes. Both components share identical reverse standoff voltage, breakdown voltage, unidirectional channel configuration, and DO-215AA package type. The SMBG10A-E3/52 is an active product with equivalent electrical and mechanical specifications suitable for direct substitution.

Q: What is the significance of the different clamping voltages (18.8V vs. 17V)?

A: The SMBG10A-E3/52 provides lower maximum clamping voltage, resulting in more aggressive transient suppression. This represents an improvement in protection performance and does not create compatibility issues in general-purpose TVS applications.

Q: Are there packaging differences between these parts?

A: No. Both components use identical DO-215AA (SMB Gull Wing) surface mount packaging. The SMBG10A-E3/52 is supplied in Tape & Reel format, which is standard for active production components.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the SMBG10-E3/52 and SMBG10A-E3/52 are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity). Both maintain identical thermal operating ranges of -55°C ~ 150°C.

Q: Why is the SMBG10-E3/52 listed as obsolete?

A: Product obsolescence reflects manufacturing discontinuation by Vishay. The SMBG10A-E3/52 represents the active equivalent within the TransZorb® series, ensuring continued design support and component availability.