SMLJ7.5CA-TP Equivalent & Substitute Parts

Part Overview

The SMLJ7.5CA-TP is a bidirectional transient voltage suppressor (TVS) diode manufactured by Micro Commercial Co, designed for general-purpose interface protection applications. This surface-mount component operates with a 7.5V reverse standoff voltage and provides peak pulse current handling of 232.6A at a clamping voltage of 12.9V. The device is classified as Active product status and is suitable for transient suppression in low-voltage signal and power circuits. Substitute parts are identified to provide equivalent electrical and mechanical performance for applications requiring alternative sourcing, inventory management, or supply chain flexibility.

Substiute Parts

SMLJ7.5CA-TP

Micro Commercial CoIn Stock: 839SMLJ7.5CA-TP Datasheet

Current PartRFQ

SMDJ7.5CA

Alpha & Omega Semiconductor Inc.In Stock: 22863SMDJ7.5CA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SMLJ7.5CA-TP are identified based on strict equivalence of the following critical parameters:

Electrical Equivalence Criteria:

• Voltage - Reverse Standoff (Typ): 7.5V
• Voltage - Breakdown (Min): 8.33V
• Voltage - Clamping (Max) @ Ipp: 12.9V
• Current - Peak Pulse (10/1000µs): 232.6A
• Power - Peak Pulse: 3000W

Mechanical Equivalence Criteria:

• Package / Case: DO-214AB, SMC
• Mounting Type: Surface Mount
• Bidirectional Channels: 1
• Type: Zener

The SMDJ7.5CA manufactured by Alpha & Omega Semiconductor Inc. meets all electrical and mechanical equivalence requirements and is classified as a direct substitute for the SMLJ7.5CA-TP.

Parameter Comparison

Engineering Selection Recommendations

SMDJ7.5CA Substitution Considerations:

The SMDJ7.5CA is electrically and mechanically equivalent to the SMLJ7.5CA-TP across all critical transient suppression parameters. Both devices are Active product status and share identical REACH, ECCN, and HTSUS classifications, confirming regulatory and compliance equivalence.

A single operational difference exists: the SMDJ7.5CA specifies a maximum operating temperature of 150°C, compared to 175°C for the SMLJ7.5CA-TP. This difference is relevant only for applications where the junction temperature is expected to approach or exceed 150°C during normal operation. For applications with operating temperatures below 150°C, the SMDJ7.5CA provides full functional equivalence.

Both devices are manufactured to DO-214AB (SMC) package specifications and are suitable for direct PCB footprint compatibility in surface-mount applications.

Frequently Asked Questions (FAQ)

Q: Can the SMDJ7.5CA replace the SMLJ7.5CA-TP in all applications?

A: The SMDJ7.5CA is electrically and mechanically equivalent for applications where the maximum junction temperature does not exceed 150°C. If your application requires operation above 150°C, the SMLJ7.5CA-TP is the appropriate choice due to its 175°C maximum operating temperature.

Q: Are the package dimensions identical between SMLJ7.5CA-TP and SMDJ7.5CA?

A: Both devices use the DO-214AB (SMC) package specification. PCB footprints are compatible for direct substitution.

Q: What are the key electrical parameters that define substitution eligibility?

A: Substitution is based on matching the following parameters: Voltage - Reverse Standoff (7.5V), Voltage - Breakdown (8.33V), Voltage - Clamping (12.9V), Current - Peak Pulse (232.6A), and Power - Peak Pulse (3000W).

Q: Do both parts have the same regulatory compliance status?

A: Yes. Both SMLJ7.5CA-TP and SMDJ7.5CA are REACH Unaffected, classified as EAR99, and share the same HTSUS code (8541.10.0080).

Q: What is the difference in bidirectional channel configuration?

A: Both devices feature a single bidirectional channel (1CH) configuration, providing equivalent transient suppression capability in both polarities.