ERP610W331MDRU Equivalent & Substitute Parts

Part Overview

The ERP610W331MDRU is a ceramic capacitor manufactured by KEMET, currently classified as obsolete. This part is no longer in active production, making identification of functionally equivalent alternatives necessary for ongoing system support, maintenance, and component procurement. The obsolete status requires engineers to evaluate active production alternatives that maintain electrical and mechanical compatibility with the original design specifications.

Substiute Parts

ERP610W331MDRU

KEMETIn Stock: 1148ERP610W331MDRU Datasheet

Current PartRFQ

C721U331MWWDAA7301

KEMETIn Stock: 1050C721U331MWWDAA7301 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ERP610W331MDRU is based on the following criteria derived from provided specifications:

Primary Substitution Criteria:

• Ceramic capacitor category classification
• Manufacturer: KEMET (same manufacturer preferred for consistency)
• Product status: Active production status required for ongoing availability
• Regulatory compliance: REACH Unaffected and ECCN EAR99 maintained
• HTSUS classification: 8532.23.0060 (ceramic capacitor classification)

The substitute part C721U331MWWDAA7301 meets these criteria as an active production ceramic capacitor from KEMET with identical regulatory and compliance status.

Parameter Comparison

Engineering Selection Recommendations

The C721U331MWWDAA7301 is classified as the manufacturer-recommended substitute for the obsolete ERP610W331MDRU. Selection of this alternative is based on:

Compliance Alignment: Both parts maintain identical REACH Unaffected status and EAR99 ECCN classification, ensuring regulatory compliance continuity.

Manufacturer Consistency: Both parts are manufactured by KEMET, maintaining supply chain consistency and quality assurance standards.

Product Status: The substitute part holds active production status, ensuring long-term availability and supply chain reliability compared to the obsolete original part.

Tariff Classification: Both parts share the identical HTSUS code 8532.23.0060, confirming classification as ceramic capacitors within the same product category.

Frequently Asked Questions (FAQ)

Q: Why is the ERP610W331MDRU classified as obsolete? A: The ERP610W331MDRU has been discontinued by KEMET and is no longer in active production. Obsolete status indicates the part is no longer manufactured or supported by the original manufacturer.

Q: What makes C721U331MWWDAA7301 a suitable substitute? A: The substitute part is manufactured by the same supplier (KEMET), maintains identical regulatory compliance (REACH Unaffected, EAR99), shares the same tariff classification (HTSUS 8532.23.0060), and holds active production status for ongoing availability.

Q: Are there differences in electrical specifications between the two parts? A: The original part number ERP610W331MDRU does not have detailed electrical specifications provided in the reference data. The substitute part C721U331MWWDAA7301 is specified as 330 pF ±20% at 760V with Y5U (E) temperature coefficient.

Q: What is the mounting configuration of the substitute part? A: The C721U331MWWDAA7301 is configured as a through-hole mounted radial disc capacitor with straight leads and 0.394" (10.00mm) lead spacing.

Q: Does the substitute part maintain the same regulatory certifications? A: Yes. Both parts are REACH Unaffected and classified under ECCN EAR99, maintaining identical regulatory and export control status.

Q: Is the substitute part currently in stock? A: The C721U331MWWDAA7301 has 1016 pieces available as new original stock.