Littelfuse 3555 Fuse Clip Blade - Equivalent & Substitute Parts

Part Overview

The Littelfuse 3555 is a fuse clip blade component designed for use with Maxi (ATX) fuseholder systems. This part functions as a blade-type fuse clip assembly for circuit protection applications. The product is currently classified as obsolete, necessitating identification of equivalent alternatives for ongoing maintenance and replacement requirements in legacy systems.

Substiute Parts

3555

Littelfuse Inc.In Stock: 12383555 Datasheet

Current PartRFQ

3555

Littelfuse Inc.In Stock: 12383555 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the Littelfuse 3555 blade fuse clip is determined by the following critical parameters:

• Fuse type classification (blade configuration)
• Compatibility with Maxi (ATX) fuseholder systems
• Physical form factor and mounting interface
• Contact material and termination characteristics

The substitute part identified maintains identical specifications across all provided parameters, ensuring functional equivalence for direct replacement applications.

Parameter Comparison

Engineering Selection Recommendations

The Littelfuse 3555 blade fuse clip is classified as obsolete. For applications requiring this component, direct equivalent replacement using the same part number maintains full functional compatibility with Maxi (ATX) fuseholder assemblies. Both the original and substitute configurations are RoHS non-compliant, reflecting their legacy product classification.

Selection should be based on availability and inventory status. The substitute part carries identical electrical and mechanical specifications, ensuring seamless integration into existing circuit protection designs without modification to mounting interfaces or electrical connections.

Frequently Asked Questions (FAQ)

Q: Can the Littelfuse 3555 be used interchangeably with other blade fuse clips?

A: The 3555 is specifically designed for Maxi (ATX) fuseholder systems. Compatibility is limited to applications explicitly requiring this form factor and mounting interface.

Q: What is the significance of the obsolete product status?

A: Obsolete status indicates the part is no longer in active production. Replacement units may be sourced from existing inventory. For new designs, current-generation alternatives from the manufacturer should be evaluated.

Q: Are there RoHS-compliant alternatives available?

A: The provided data does not include RoHS-compliant alternatives. Compliance requirements should be verified with the manufacturer for applications subject to RoHS regulations.

Q: How do I verify compatibility with my Maxi (ATX) fuseholder?

A: Compatibility is determined by the blade fuse clip form factor and Maxi (ATX) designation. Confirm your fuseholder system specification matches this requirement before selection.