SMBG5.0C-E3/5B Equivalent & Substitute Parts

Part Overview

The SMBG5.0C-E3/5B is a transient voltage suppressor (TVS) diode from Vishay General Semiconductor - Diodes Division, designed for general-purpose overvoltage protection applications. This component features a 5V reverse standoff voltage with a 9.6V maximum clamping voltage and 62.5A peak pulse current capability in a surface-mount DO-215AA (SMB) package. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for new designs and production continuity.

Substiute Parts

SMBG5.0C-E3/5B

Vishay General Semiconductor - Diodes DivisionIn Stock: 1246SMBG5.0C-E3/5B Datasheet

Current PartRFQ

SMBG5.0CA-E3/5B

Vishay General Semiconductor - Diodes DivisionIn Stock: 855SMBG5.0CA-E3/5B Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMBG5.0C-E3/5B is determined by strict equivalence across the following critical parameters:

• Voltage Rating: Reverse standoff voltage of 5V and breakdown voltage minimum of 6.4V
• Clamping Characteristics: Maximum clamping voltage within the 9.6V specification
• Current Handling: Peak pulse current capability of 62.5A or greater
• Power Dissipation: Peak pulse power rating of 600W
• Package Compatibility: DO-215AA (SMB) surface-mount package
• Temperature Range: Operating range of -55°C to 150°C (TJ)
• Compliance: ROHS3 compliance and MSL Level 1 rating

The SMBG5.0CA-E3/5B meets all substitution criteria while offering improved specifications and active product status.

Parameter Comparison

Engineering Selection Recommendations

The SMBG5.0CA-E3/5B is the direct substitute for the obsolete SMBG5.0C-E3/5B. Both components share identical voltage ratings, temperature operating range, and package specifications. The substitute offers enhanced peak pulse current capability (65.2A versus 62.5A) and improved clamping voltage performance (9.2V versus 9.6V), providing superior transient suppression characteristics within the same thermal and mechanical envelope.

The SMBG5.0CA-E3/5B maintains full ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with modern manufacturing processes and long-term storage requirements. The active product status of the substitute ensures continued availability and supply chain stability for production applications.

Frequently Asked Questions (FAQ)

Q: Can the SMBG5.0CA-E3/5B be used as a direct replacement for the SMBG5.0C-E3/5B?

A: Yes. Both components share identical reverse standoff voltage (5V), breakdown voltage (6.4V minimum), operating temperature range (-55°C to 150°C), and DO-215AA package specifications. The substitute offers equivalent or superior electrical performance.

Q: What is the difference in clamping voltage between these parts?

A: The SMBG5.0C-E3/5B has a maximum clamping voltage of 9.6V, while the SMBG5.0CA-E3/5B has a maximum clamping voltage of 9.2V. The lower clamping voltage of the substitute provides improved transient suppression performance.

Q: Are there packaging differences between these parts?

A: No. Both components use the DO-215AA (SMB) surface-mount package with gull-wing leads. They are mechanically and electrically compatible for PCB assembly without design modifications.

Q: Why is the original part obsolete?

A: The SMBG5.0C-E3/5B is classified as obsolete by the manufacturer. The SMBG5.0CA-E3/5B is the active equivalent that supersedes it, offering improved specifications and guaranteed long-term availability.

Q: Are both parts RoHS compliant?

A: Yes. Both the SMBG5.0C-E3/5B and SMBG5.0CA-E3/5B are ROHS3 compliant with MSL Level 1 rating, suitable for lead-free soldering processes and unrestricted storage conditions.