FN258L-16-29 Equivalent & Substitute Parts

Part Overview

The FN258L-16-29 is a three-phase (Delta) EMC/EMI line filter rated for 16 A with chassis mount configuration and terminal block termination. This component is designed for applications including inverters and power drive systems operating at DC ~ 60Hz frequencies. The part carries a "Not For New Designs" status, making identification of suitable substitute components essential for ongoing system development and maintenance.

Substiute Parts

FN258L-16-29

Schaffner EMC Inc.In Stock: 1049FN258L-16-29 Datasheet

Current PartRFQ

FN3288-16-44-C35-R65

Schaffner EMC Inc.In Stock: 1179FN3288-16-44-C35-R65 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the FN258L-16-29 is determined by the following critical parameters:

• Filter Type: Three Phase (Delta) configuration
• Current Rating: 16 A
• Mounting Type: Chassis Mount
• Termination Style: Terminal Block
• Configuration: Two Stage
• Frequency Range: DC ~ 60Hz
• Applications: Inverters, Power Drive Systems

The substitute part FN3288-16-44-C35-R65 maintains equivalence across all these core parameters. While voltage ratings differ between the main part and substitute, both components support the required current and frequency specifications for the intended applications.

Parameter Comparison

Engineering Selection Recommendations

The FN3288-16-44-C35-R65 serves as the primary substitute for the FN258L-16-29. Key considerations for selection include:

Product Status: The FN258L-16-29 carries "Not For New Designs" designation, while the FN3288-16-44-C35-R65 maintains "Active" status, making it suitable for new system implementations and ongoing production.

Compliance & Certifications: Both components are ROHS3 compliant and REACH unaffected. The FN258L-16-29 holds CSA, ENEC, and UR approvals. Verification of FN3288-16-44-C35-R65 certifications against specific application requirements is necessary.

Voltage Compatibility: The substitute part operates at higher voltage ratings (305 V phase-to-ground, 530 V phase-to-phase) compared to the original (277 V, 480 V). System voltage specifications must align with the substitute component's ratings.

Temperature Range: The FN3288-16-44-C35-R65 extends the lower operating temperature limit to -40°C, providing broader environmental compatibility.

Current & Frequency: Both components maintain identical 16 A current rating and DC ~ 60Hz frequency range, ensuring functional equivalence for inverter and power drive system applications.

Frequently Asked Questions (FAQ)

Q: Can the FN3288-16-44-C35-R65 directly replace the FN258L-16-29 in existing systems?

A: Direct replacement requires verification that system voltage specifications align with the substitute part's ratings (305 V phase-to-ground, 530 V phase-to-phase). Both components share identical current rating (16 A), frequency range (DC ~ 60Hz), mounting type (Chassis Mount), and termination style (Terminal Block).

Q: What is the primary reason for seeking a substitute for the FN258L-16-29?

A: The FN258L-16-29 carries "Not For New Designs" status. The FN3288-16-44-C35-R65 is an active product suitable for new system development and ongoing production applications.

Q: Are there packaging differences between these components?

A: The FN258L-16-29 is supplied in Tray packaging, while the FN3288-16-44-C35-R65 is supplied in Box packaging. This distinction affects inventory management and handling procedures but does not impact functional performance.

Q: Do both components support the same applications?

A: Yes. Both the FN258L-16-29 and FN3288-16-44-C35-R65 are designed for inverters and power drive systems with DC ~ 60Hz operating frequency.

Q: What are the key electrical parameters that determine substitution eligibility?

A: Substitution is based on matching filter type (Three Phase Delta), current rating (16 A), configuration (Two Stage), mounting type (Chassis Mount), termination style (Terminal Block), and frequency range (DC ~ 60Hz). Voltage ratings must be verified against system requirements.