Equivalent & Substitute Parts Reference for SMCJ17A-M3/9AT

Part Overview

The SMCJ17A-M3/9AT, manufactured by Vishay General Semiconductor - Diodes Division, is an active Transient Voltage Suppressor (TVS) diode in the DO-214AB (SMC) surface-mount package. This device features a reverse standoff voltage of 17V, minimum breakdown of 18.9V, and a clamping voltage of 27.6V at a peak pulse current of 54.3A, with a peak pulse power capability of 1500W. The component is RoHS3 compliant, REACH unaffected, and available in tape & reel packaging. Substitution may be required due to inventory constraints, production changes, or manufacturing needs. The selection of substitutes must be strictly based on identical or acceptable electrical and mechanical parameters as provided.

Substiute Parts

SMCJ17A-M3/9AT

Vishay General Semiconductor - Diodes DivisionIn Stock: 774SMCJ17A-M3/9AT Datasheet

Current PartRFQ

SMCJ17A-E3/57T

Vishay General Semiconductor - Diodes DivisionIn Stock: 34295SMCJ17A-E3/57T Datasheet

DirectRFQ

SMCJ17A

Fairchild SemiconductorIn Stock: 38399SMCJ17A Datasheet

DirectRFQ

5.0SMDJ17A

Taiwan Semiconductor CorporationIn Stock: 183875.0SMDJ17A Datasheet

MFR RecommendedRFQ

SMCJ17A-13-F

Diodes IncorporatedIn Stock: 10334SMCJ17A-13-F Datasheet

MFR RecommendedRFQ

SMLJ17A-TP

Micro Commercial CoIn Stock: 3923SMLJ17A-TP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the SMCJ17A-M3/9AT is based strictly on the following key parameters: Category (TVS diodes), Type (Zener), Unidirectional channel count (1), identical voltage ratings (Reverse Standoff, Breakdown, Clamping), equal or higher peak pulse current and power capabilities, identical operating temperature range, package/case (DO-214AB, SMC), surface mount configuration, regulatory compliance (RoHS3, REACH), and identical or compatible supplier device package. Only substitutes matching these criteria are accepted for direct replacement in engineering applications.

Parameter Comparison

Engineering Selection Recommendations

Only active products with matching electrical parameters, package type, mounting configuration, and regulatory compliance are suitable as substitutes for SMCJ17A-M3/9AT. Substitute parts must be RoHS3 compliant and REACH unaffected where specified. Moisture Sensitivity Level (MSL) of 1 (Unlimited) ensures compatibility with typical handling and soldering processes. Devices listed in the comparison meet ECCN and HTSUS regulatory requirements. Selection is strictly limited to components meeting all specified criteria.

Frequently Asked Questions (FAQ)

Q1: What are the essential substitution criteria for SMCJ17A-M3/9AT?
A1: Substitution requires matching or exceeding key electrical parameters (reverse standoff voltage, breakdown voltage, clamping voltage, peak pulse current, peak pulse power), identical mechanical package (DO-214AB, SMC), identical mounting type (surface mount), and direct regulatory compliance (RoHS3 and REACH where specified).

Q2: Are slight differences in peak pulse current or power acceptable among substitutes?
A2: Substitutes with equal or higher peak pulse current and/or peak pulse power are acceptable, provided all voltage ratings, package, and compliance requirements are met.

Q3: Do all substitute TVS diodes require the same package and device marking?
A3: Only substitutes in the DO-214AB (SMC) package are suitable. Supplier device package naming may differ but must refer to the same industry-standard SMC (DO-214AB) outline.

Q4: How does regulatory compliance affect substitute selection?
A4: Selection of substitutes must consider RoHS3 compliance and REACH status where specified, ensuring compatibility with global regulatory standards.

Q5: Can substitutes in other package types be used?
A5: Only DO-214AB (SMC) surface-mount packages are acceptable for direct substitution.

Q6: Are all listed substitutes currently active and in production?
A6: All listed substitutes are specified as active based on the provided input.

Q7: Is the moisture sensitivity level important for any substitute decision?
A7: MSL 1 (Unlimited) matches common industry requirements for surface-mount TVS diodes, allowing standard handling and reflow processes. Devices with unspecified MSL require verification against specific handling requirements if needed.