Equivalent & Substitute Parts Reference for Schaffner EMC Inc. FN256-80-34

Part Overview

The Schaffner EMC Inc. FN256-80-34 is a three-phase (Wye) EMC/EMI line filter with an 80 A current rating for chassis mount applications. It supports DC ~ 60Hz frequency range, phase to ground/neutral voltage of 277 V, and phase to phase voltage of 480 V. The product is now listed as obsolete. Identifying alternative models is necessary to ensure continuous availability for new designs or replacement in existing systems.

Substiute Parts

FN256-80-34

Schaffner EMC Inc.In Stock: 863FN256-80-34 Datasheet

Current PartRFQ

FN3256H-80-35

Schaffner EMC Inc.In Stock: 968FN3256H-80-35 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute components for FN256-80-34 are identified strictly by matching or exceeding these essential parameters: filter type (Three Phase Wye), configuration (Single Stage), voltage ratings (especially phase to ground/neutral and phase to phase), current rating, operating frequency, mounting style (chassis mount), termination style (terminal block), operating temperature range, application scope (general purpose), conformity to RoHS3 and REACH requirements, and recognized approval agencies. These factors are used to verify direct compatibility for substitution.

Parameter Comparison

Engineering Selection Recommendations

FN256-80-34 is classified as obsolete. FN3256H-80-35 is listed as active and matches all compliance requirements, including ROHS3 and REACH. Both FN3256H-80-35 and FN256-80-34 are recognized by CSA, ENEC, and UR. Based on current availability and matching regulatory certifications, FN3256H-80-35 is a qualified substitute with all necessary approvals.

Frequently Asked Questions (FAQ)

Q1: What parameters must match for substitution in line filter applications?
A1: Key parameters for substitution include filter type, voltage ratings, current, configuration, operating frequency, mounting type, termination style, operating temperature, application designation, compliance status, and recognized approval agency certifications.

Q2: Is packaging important when selecting substitute line filters?
A2: Substitute selection is based on electrical, mechanical, and regulatory parameters provided. Packaging type is not listed as a key selection parameter for substitution in this case.

Q3: How is regulatory compliance evaluated for substitutes?
A3: Regulatory compliance is confirmed by listed RoHS and REACH status and recognized approval agencies such as CSA, ENEC, and UR.

Q4: Are single stage configuration filters interchangeable with other configurations?
A4: Only substitutes with the same configuration (Single Stage) are considered for equivalence, as per the provided parameters.

Q5: Must the substitute have identical voltage and current ratings?
A5: Substitute parts must at least match or exceed the specified voltage and current ratings for direct compatibility.

Q6: What mounting and termination requirements exist for substitution?
A6: Chassis mount and terminal block termination style must be identical to ensure mechanical compatibility.

Q7: How should engineers verify substitute availability?
A7: Availability is indicated by inventory status; FN3256H-80-35 is listed as active and available for substitution where FN256-80-34 is obsolete.