SMDJ75A M6G Equivalent & Substitute Parts

Part Overview

The SMDJ75A M6G is a unidirectional transient voltage suppressor (TVS) diode manufactured by Taiwan Semiconductor Corporation, designed for general-purpose overvoltage protection applications. This component features a 75V reverse standoff voltage with a 121V maximum clamping voltage and 24.8A peak pulse current capability in a surface-mount DO-214AB (SMC) package.

The SMDJ75A M6G is currently discontinued at DiGi Electronics. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this TVS diode specification.

Substiute Parts

SMDJ75A M6G

Taiwan Semiconductor CorporationIn Stock: 1051SMDJ75A M6G Datasheet

Current PartRFQ

SMDJ75A

Alpha & Omega Semiconductor Inc.In Stock: 1303SMDJ75A Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SMDJ75A M6G is determined by strict equivalence across the following critical electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Voltage - Reverse Standoff (Typ): 75V
• Voltage - Breakdown (Min): 83.3V
• Voltage - Clamping (Max) @ Ipp: 121V
• Current - Peak Pulse (10/1000µs): 24.8A
• Power - Peak Pulse: 3000W
• Unidirectional Channels: 1
• Type: Zener

Mechanical Equivalence Criteria:

• Package / Case: DO-214AB, SMC
• Mounting Type: Surface Mount

Substitute parts must match all electrical parameters and mechanical specifications to ensure functional and physical compatibility within the original application circuit. The SMDJ75A from Alpha & Omega Semiconductor Inc. meets these criteria and is classified as a direct substitute.

Parameter Comparison

Engineering Selection Recommendations

The SMDJ75A from Alpha & Omega Semiconductor Inc. is an active substitute for the discontinued SMDJ75A M6G. Both components are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and distribution.

The substitute part maintains electrical equivalence across all critical parameters: 75V reverse standoff voltage, 83.3V minimum breakdown voltage, 121V maximum clamping voltage, and 24.8A peak pulse current. Both components are packaged in the DO-214AB (SMC) surface-mount format, ensuring mechanical compatibility with existing PCB layouts and assembly processes.

The Alpha & Omega Semiconductor SMDJ75A operates within a -55°C to 150°C temperature range, which is 25°C narrower than the original part's -55°C to 175°C range. This difference must be evaluated against the specific thermal operating conditions of the target application. For applications operating within the -55°C to 150°C envelope, the substitute part provides full functional equivalence.

The substitute part is currently in active production status with confirmed inventory availability, supporting uninterrupted supply chain continuity for new production and replacement requirements.

Frequently Asked Questions (FAQ)

Q: Can the SMDJ75A from Alpha & Omega Semiconductor be used as a direct replacement for the SMDJ75A M6G?

A: Yes. Both components share identical electrical specifications (75V standoff, 121V clamping, 24.8A peak pulse current, 3000W peak power) and are packaged in the same DO-214AB (SMC) surface-mount format. The substitute part is electrically and mechanically compatible for applications operating within its -55°C to 150°C temperature range.

Q: What is the primary difference between these two parts?

A: The primary difference is the operating temperature range. The original SMDJ75A M6G operates from -55°C to 175°C, while the Alpha & Omega Semiconductor substitute operates from -55°C to 150°C. The substitute part has a 25°C lower maximum junction temperature rating.

Q: Are both parts compliant with current regulatory standards?

A: Yes. Both the SMDJ75A M6G and the SMDJ75A from Alpha & Omega Semiconductor are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic components.

Q: Does the packaging format differ between these parts?

A: No. Both components use the DO-214AB (SMC) surface-mount package. The original part is supplied in standard packaging, while the substitute is available in Tape & Reel (TR) format. Both formats are compatible with standard surface-mount assembly equipment.

Q: What applications are these TVS diodes suitable for?

A: Both components are classified for general-purpose transient voltage suppression applications. The 75V standoff voltage and 3000W peak pulse power rating make these diodes suitable for protecting circuits from transient overvoltage events in standard industrial and commercial applications.

Q: Should I consider the temperature range difference when selecting the substitute?

A: Yes. If your application requires operation at junction temperatures above 150°C, the substitute part is not suitable. For applications with maximum operating temperatures at or below 150°C, the substitute part provides full functional equivalence.