SMBG7.5C-E3/52 Equivalent & Substitute Parts

Part Overview

The SMBG7.5C-E3/52 is a 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 protection applications. The device features a 7.5V reverse standoff voltage with a 14.3V maximum clamping voltage and 42A peak pulse current capability in a DO-215AA (SMB) package.

The SMBG7.5C-E3/52 is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this component.

Substiute Parts

SMBG7.5C-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 1152SMBG7.5C-E3/52 Datasheet

Current PartRFQ

SMBG7.5CA-E3/52

Vishay General Semiconductor - Diodes DivisionIn Stock: 12181SMBG7.5CA-E3/52 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SMBG7.5C-E3/52 is determined by the following critical parameters:

• Voltage - Reverse Standoff (Typ): Must equal 7.5V
• Voltage - Breakdown (Min): Must equal 8.33V
• Package / Case: Must be DO-215AA, SMB Gull Wing
• Mounting Type: Must be Surface Mount
• Bidirectional Channels: Must equal 1
• Type: Must be Zener
• Operating Temperature Range: Must support -55°C to 150°C (TJ)

The SMBG7.5CA-E3/52 qualifies as a direct substitute. Both devices share identical reverse standoff voltage, breakdown voltage, package configuration, and thermal operating range. The substitute part maintains full electrical and mechanical compatibility while offering improved availability and active product status.

Parameter Comparison

Engineering Selection Recommendations

The SMBG7.5CA-E3/52 is the recommended substitute for the obsolete SMBG7.5C-E3/52. Both components are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. The substitute part maintains identical reverse standoff and breakdown voltage specifications, ensuring circuit protection thresholds remain unchanged.

The SMBG7.5CA-E3/52 offers superior peak pulse current capability (46.5A versus 42A) and a lower maximum clamping voltage (12.9V versus 14.3V), providing enhanced transient suppression performance. The substitute part carries active product status with significantly higher inventory availability, supporting long-term supply chain stability.

Both devices are packaged identically in DO-215AA (SMB) surface-mount configuration and operate across the same temperature range (-55°C to 150°C TJ), enabling direct board-level replacement without design modification.

Frequently Asked Questions (FAQ)

Q: Can the SMBG7.5CA-E3/52 be used as a direct replacement for the SMBG7.5C-E3/52?

A: Yes. Both devices share identical reverse standoff voltage (7.5V), breakdown voltage (8.33V), package configuration (DO-215AA SMB), and operating temperature range (-55°C to 150°C TJ). The substitute part is electrically and mechanically compatible for direct board-level substitution.

Q: What are the differences between these two parts?

A: The primary differences are product status and electrical performance. The SMBG7.5CA-E3/52 is active production with higher peak pulse current (46.5A versus 42A) and lower maximum clamping voltage (12.9V versus 14.3V). The SMBG7.5C-E3/52 is obsolete.

Q: Does the lower clamping voltage of the substitute part affect circuit protection?

A: The lower maximum clamping voltage (12.9V versus 14.3V) of the SMBG7.5CA-E3/52 represents improved transient suppression performance. Both parts maintain the same reverse standoff voltage (7.5V) and breakdown voltage (8.33V), which determine circuit protection thresholds.

Q: Are both parts available in the same packaging options?

A: Both the SMBG7.5C-E3/52 and SMBG7.5CA-E3/52 are supplied in DO-215AA (SMB) surface-mount packages with gull-wing leads. No packaging conversion is required for substitution.

Q: Do these parts meet current regulatory compliance standards?

A: Yes. Both the SMBG7.5C-E3/52 and SMBG7.5CA-E3/52 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.