Equivalent & Substitute Parts for ERP610W331MDRY

Part Overview

The ERP610W331MDRY is a ceramic capacitor manufactured by KEMET, currently classified as obsolete. This part is no longer in active production, making identification of suitable substitute components essential for ongoing maintenance, repair, and new design applications. The obsolete status necessitates sourcing of functionally equivalent alternatives that maintain electrical and mechanical compatibility with existing circuit designs.

Substiute Parts

ERP610W331MDRY

KEMETIn Stock: 1178ERP610W331MDRY Datasheet

Current PartRFQ

C721U331MWWDAA7301

KEMETIn Stock: 1050C721U331MWWDAA7301 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ERP610W331MDRY is determined by the following criteria derived from the provided parameters:

Primary Substitution Criteria:

• Manufacturer: KEMET (same manufacturer preferred for consistency)
• Product Category: Ceramic Capacitor
• REACH Compliance: REACH Unaffected (regulatory alignment)
• ECCN Classification: EAR99 (export control consistency)
• HTSUS Code: 8532.23.0060 (tariff classification match)

The substitute part C721U331MWWDAA7301 satisfies all substitution criteria through identical manufacturer origin, equivalent regulatory status, and matching trade classifications. The substitute maintains active product status, ensuring long-term availability and supply chain continuity.

Parameter Comparison

Engineering Selection Recommendations

Compliance and Regulatory Alignment: The substitute part C721U331MWWDAA7301 maintains full regulatory compliance with the original ERP610W331MDRY through identical REACH status, ECCN classification, and HTSUS coding. Both components are classified as REACH Unaffected and fall under EAR99 export control designation.

Product Status Consideration: The transition from obsolete to active product status represents a significant advantage. The substitute part C721U331MWWDAA7301 is in active production, ensuring sustained availability, consistent manufacturing quality, and ongoing technical support from KEMET.

Manufacturer Consistency: Both components originate from KEMET, eliminating manufacturer-related variables in electrical performance, quality standards, and supply chain reliability.

Selection Basis: Component selection should be based on the provided electrical specifications (capacitance, voltage rating, temperature coefficient, tolerance) and mechanical parameters (mounting type, package configuration, lead spacing) documented in the substitute part datasheet.

Frequently Asked Questions (FAQ)

Q: Why is the ERP610W331MDRY classified as obsolete? A: The ERP610W331MDRY has reached end-of-life status in KEMET's product portfolio. Obsolete classification indicates the manufacturer no longer produces this component, making substitution necessary for new designs and ongoing applications.

Q: What are the key parameters that determine substitution compatibility? A: Substitution compatibility is determined by manufacturer origin (KEMET), product category (ceramic capacitor), regulatory compliance (REACH Unaffected, EAR99 ECCN), and tariff classification (HTSUS 8532.23.0060). Additional electrical and mechanical specifications must be cross-referenced with circuit requirements.

Q: Is C721U331MWWDAA7301 a direct replacement? A: C721U311MWWDAA7301 is a functionally equivalent substitute manufactured by KEMET with identical regulatory and compliance status. Electrical specifications (capacitance, voltage rating, temperature coefficient, tolerance) and mechanical parameters (mounting type, package configuration) must be verified against circuit design requirements.

Q: What is the advantage of using an active product instead of obsolete inventory? A: Active products ensure long-term supply availability, consistent manufacturing processes, ongoing quality assurance, and manufacturer technical support. Obsolete components face eventual inventory depletion and potential quality degradation.

Q: Are there any packaging or mounting differences to consider? A: The substitute part C721U331MWWDAA7301 is specified as Through Hole mounting with Radial, Disc package configuration. Circuit board design and assembly processes must accommodate these mechanical specifications.

Q: How should I verify compatibility before implementation? A: Cross-reference the electrical specifications (capacitance value, voltage rating, temperature coefficient, tolerance) and mechanical parameters (lead spacing, package dimensions, mounting type) against your circuit schematic and PCB layout requirements.