SMBG26A-E3/52 Equivalent & Substitute Parts

Part Overview

The SMBG26A-E3/52 is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the TransZorb® series and is designed for general-purpose transient voltage suppression applications. The device features a 26V reverse standoff voltage with a 42.1V maximum clamping voltage and 14.3A peak pulse current capability. The part maintains Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical performance parameters and compatible packaging specifications.

Substiute Parts

SMBG26A-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 1819SMBG26A-E3/52 Datasheet

Current PartRFQ

SMBJ26A-TR

STMicroelectronicsIn Stock: 7108SMBJ26A-TR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SMBG26A-E3/52 are identified based on the following critical electrical and mechanical parameters:

• Voltage - Reverse Standoff (Typ): 26V
• Voltage - Breakdown (Min): 28.9V
• Voltage - Clamping (Max) @ Ipp: 42.1V
• Current - Peak Pulse (10/1000µs): ≥14.3A
• Power - Peak Pulse: 600W
• Operating Temperature Range: -55°C to 150°C (TJ)
• Mounting Type: Surface Mount
• Package Compatibility: DO-215AA or DO-214AA (SMB variants)
• Type: Zener, Unidirectional
• RoHS3 Compliance
• MSL Rating: 1 (Unlimited)

The SMBJ26A-TR from STMicroelectronics meets all substitution criteria. Both devices share identical voltage specifications, equivalent peak pulse power ratings, and compatible surface mount SMB packaging. The SMBJ26A-TR provides a peak pulse current of 14.9A, which exceeds the minimum 14.3A requirement of the original part.

Parameter Comparison

Engineering Selection Recommendations

The SMBJ26A-TR qualifies as a direct substitute for the SMBG26A-E3/52 based on electrical parameter equivalence and regulatory compliance alignment. Both components maintain Active product status, RoHS3 compliance, and unlimited moisture sensitivity level (MSL 1). The substitute part delivers equivalent voltage suppression performance across all critical parameters and operates within the same temperature range. Package compatibility between DO-215AA and DO-214AA SMB variants is established through standard SMB footprint specifications. Selection between these parts may be determined by availability, lead time, packaging format preference (Tape & Reel versus Cut Tape & Digi-Reel), or supply chain requirements.

Frequently Asked Questions (FAQ)

Q: Can the SMBJ26A-TR replace the SMBG26A-E3/52 in existing designs?

A: Yes. Both devices share identical voltage specifications (26V standoff, 28.9V breakdown, 42.1V clamping), equivalent power ratings (600W peak pulse), and compatible surface mount SMB packaging. The SMBJ26A-TR provides higher peak pulse current (14.9A versus 14.3A), which maintains design margin.

Q: Are there package compatibility concerns between DO-215AA and DO-214AA?

A: Both packages are SMB variants with compatible footprints for surface mount assembly. DO-215AA and DO-214AA designations reflect minor physical variations within the SMB standard. Verify PCB footprint specifications with component datasheets to confirm compatibility with your specific board design.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both the SMBG26A-E3/52 and SMBJ26A-TR are RoHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity ratings. Regulatory compliance is equivalent across both components.

Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel packaging?

A: Tape & Reel (TR) and Cut Tape & Digi-Reel (CT) represent different supply formats for surface mount components. Tape & Reel provides continuous component strips on reels for automated assembly lines. Cut Tape & Digi-Reel offers smaller quantities in tape format or alternative reel configurations. Component electrical performance is identical; packaging format selection depends on production volume and assembly equipment requirements.

Q: Are the operating temperature ranges identical?

A: Yes. Both components operate across -55°C to 150°C (TJ) junction temperature range, ensuring equivalent thermal performance in target applications.