MXLSMBJ75CAE3 Equivalent & Substitute Parts

Part Overview

The MXLSMBJ75CAE3 is a Transient Voltage Suppressor (TVS) diode manufactured by Microchip Technology, designed for general-purpose transient voltage protection in surface-mount applications. This bidirectional Zener diode operates with a reverse standoff voltage of 75V and provides clamping protection at 121V maximum, with a peak pulse current rating of 4.9A. The component is housed in a DO-214AA (SMB) package and is qualified to MIL-PRF-19500 military standards. Identification of equivalent and substitute parts is necessary when the primary part becomes unavailable, when alternative sourcing is required, or when design flexibility across qualified manufacturers is needed while maintaining identical electrical and mechanical performance.

Substiute Parts

MXLSMBJ75CAE3

Microchip TechnologyIn Stock: 1178MXLSMBJ75CAE3 Datasheet

Current PartRFQ

SMBJ75CA-13

Diodes IncorporatedIn Stock: 6838SMBJ75CA-13 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MXLSMBJ75CAE3 is determined by strict equivalence across the following electrical and mechanical parameters:

Critical Matching Parameters:

• Voltage - Reverse Standoff (Typ): 75V
• Voltage - Breakdown (Min): 83.3V
• Voltage - Clamping (Max) @ Ipp: 121V
• Current - Peak Pulse (10/1000µs): 4.9A
• Power - Peak Pulse: 600W
• Package / Case: DO-214AA, SMB
• Mounting Type: Surface Mount
• Type: Zener
• Bidirectional Channels: 1

The substitute part SMBJ75CA-13 manufactured by Diodes Incorporated meets all critical electrical parameters and package specifications. This part maintains identical voltage ratings, peak pulse current, and peak pulse power characteristics. Both components are housed in the DO-214AA (SMB) surface-mount package and function as single-channel bidirectional Zener TVS diodes for general-purpose transient voltage suppression.

Parameter Comparison

Engineering Selection Recommendations

The SMBJ75CA-13 from Diodes Incorporated is electrically and mechanically equivalent to the MXLSMBJ75CAE3 across all critical transient voltage suppression parameters. Both components deliver identical voltage clamping performance, peak pulse current handling, and power dissipation characteristics within the DO-214AA (SMB) surface-mount package.

The primary distinction between these parts is the operating temperature range. The MXLSMBJ75CAE3 maintains specifications across -65°C to 150°C, while the SMBJ75CA-13 operates from -55°C to 150°C. For applications requiring operation below -55°C, the MXLSMBJ75CAE3 is the appropriate selection. For applications within the -55°C to 150°C range, both parts are functionally interchangeable.

The MXLSMBJ75CAE3 carries MIL-PRF-19500 military qualification and is classified as Grade Military, providing enhanced reliability assurance for defense and aerospace applications. The SMBJ75CA-13 is currently discontinued at DiGi Electronics, though inventory remains available through alternative distribution channels.

Both components are RoHS non-compliant and REACH Unaffected, with identical moisture sensitivity classification (MSL 1 - Unlimited). Selection between these parts should be based on temperature range requirements, military qualification necessity, and current availability through your supply chain.

Frequently Asked Questions (FAQ)

Q: Can the SMBJ75CA-13 be used as a direct replacement for the MXLSMBJ75CAE3 in all applications?

A: The SMBJ75CA-13 is electrically and mechanically equivalent for applications operating within the -55°C to 150°C temperature range. If your application requires operation below -55°C, the MXLSMBJ75CAE3 is required. Both parts are pin-compatible and function identically within their respective temperature specifications.

Q: What is the significance of the MIL-PRF-19500 qualification on the MXLSMBJ75CAE3?

A: MIL-PRF-19500 qualification indicates that the MXLSMBJ75CAE3 meets military performance standards for semiconductor devices. This qualification is relevant for defense, aerospace, and other applications requiring military-grade component assurance. The SMBJ75CA-13 does not carry this qualification.

Q: Are there any package differences between these parts?

A: Both the MXLSMBJ75CAE3 and SMBJ75CA-13 are housed in the DO-214AA (SMB) surface-mount package. They are mechanically identical and require no PCB layout modifications for substitution.

Q: What are the key electrical parameters that must match for TVS diode substitution?

A: For TVS diode substitution, the following parameters must match: Voltage - Reverse Standoff, Voltage - Breakdown (Min), Voltage - Clamping (Max) @ Ipp, Current - Peak Pulse (10/1000µs), and Power - Peak Pulse. Both the MXLSMBJ75CAE3 and SMBJ75CA-13 match across all these parameters.

Q: Why is the SMBJ75CA-13 listed as discontinued at DiGi Electronics?

A: Discontinuation at a specific distributor does not indicate end-of-life status for the component. The SMBJ75CA-13 remains available through alternative distribution channels and inventory sources. Verify current availability through your supply chain before design implementation.

Q: Do these parts have identical moisture sensitivity requirements?

A: Yes. Both the MXLSMBJ75CAE3 and SMBJ75CA-13 are classified as MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.