SMCJ7.5 Equivalent & Substitute Parts Reference

Part Overview

SMCJ7.5 is a unidirectional transient voltage suppressor (TVS) diode from Taiwan Semiconductor Corporation in the DO-214AB (SMC) package. This part provides surge protection for sensitive electronics with a 7.5V reverse standoff voltage and a 14.3V maximum clamping voltage at 110A peak pulse current, rated for 1500W peak pulse power. The product is currently active and suitable for general-purpose applications. Identifying alternative models is necessary for supply assurance, design flexibility, and risk management in procurement and manufacturing processes.

Substiute Parts

SMCJ7.5

Taiwan Semiconductor CorporationIn Stock: 3813SMCJ7.5 Datasheet

Current PartRFQ

SMCJ7.5A

Taiwan Semiconductor CorporationIn Stock: 9312SMCJ7.5A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution is determined by the alignment of electrical, mechanical, and compliance parameters for TVS diodes. For SMCJ7.5, the substitute must have the following key parameters matched precisely:

• Unidirectional channel configuration
• Reverse standoff voltage (typical)
• Breakdown voltage (minimum)
• Peak pulse current
• Peak pulse power (wattage)
• Maximum clamping voltage at Ipp
• Surface mount package: DO-214AB (SMC)
• Operating temperature range
• RoHS and REACH statuses All parts listed as substitutes match these parameters according to the provided data.

Parameter Comparison

Engineering Selection Recommendations

Both SMCJ7.5 and SMCJ7.5A are listed as active status components from Taiwan Semiconductor Corporation. Both parts are ROHS3 Compliant and REACH Unaffected with MSL 1 (unlimited), supporting unrestricted industrial applications and assembly processes. Selection between these TVS diodes should be based on electrical parameter match according to the requirements of the intended application.

Frequently Asked Questions (FAQ)

Q1: What are the main criteria for substituting SMCJ7.5 with another TVS diode?
A1: Only TVS diodes with the same voltage ratings, channel configuration, peak current, peak power, package/case type, operating temperature, and regulatory compliance should be considered as substitutes.

Q2: Is SMCJ7.5A compatible in form and fit with SMCJ7.5?
A2: SMCJ7.5A shares the same DO-214AB (SMC) surface mount package and mounting type as SMCJ7.5.

Q3: Are there differences in RoHS or REACH compliance between SMCJ7.5 and its substitutes?
A3: Both SMCJ7.5 and SMCJ7.5A are ROHS3 Compliant, REACH Unaffected, and have MSL 1 (unlimited).

Q4: Should application-specific testing be a factor when selecting a substitute?
A4: Substitution should be determined strictly according to the documented parameters such as voltage, current, package, operating temperature, and compliance information provided.

Q5: Does the inventory status impact the substitution decision?
A5: Engineering substitution decisions use inventory status as a supply chain consideration but not as a technical compatibility parameter.

Q6: When comparing SMCJ7.5 and SMCJ7.5A, are there any differences in electrical maximums that should be noted?
A6: SMCJ7.5 has a clamping voltage maximum of 14.3V @ 110A, while SMCJ7.5A is rated at 12.9V @ 122A, as specified in provided documentation.

Q7: Can these TVS diodes be used interchangeably in all mounting and package requirements?
A7: Both SMCJ7.5 and SMCJ7.5A use the DO-214AB (SMC) surface mount package and support identical mounting site specifications.