Equivalent & Substitute Parts for 0AFH0004Z

Part Overview

The 0AFH0004Z is a fuse holder manufactured by Littelfuse Inc., designed for single-circuit blade fuse applications with panel mount configuration. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and new design implementations. The part accommodates standard ATC and ATO blade fuses with dimensions of 0.75" L x 0.2" W (19.1mm x 5.1mm) and features wire lead termination for direct circuit integration.

Substiute Parts

0AFH0004Z

Littelfuse Inc.In Stock: 10940AFH0004Z Datasheet

Current PartRFQ

BK/HHC-R

Eaton - Bussmann Electrical DivisionIn Stock: 1781BK/HHC-R Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 0AFH0004Z is determined by the following critical parameters:

• Fuse Size Compatibility: Both main and substitute parts must accommodate 0.75" L x 0.2" W (19.1mm x 5.1mm) blade fuses
• Fuse Type: Blade fuse holders only
• Number of Circuits: Single-circuit configuration required
• Termination Style: Wire lead termination for circuit connection
• Supported Fuse Standards: ATC and ATO blade fuse compatibility

The substitute part BK/HHC-R, manufactured by Eaton - Bussmann Electrical Division, meets all critical substitution criteria. While the substitute features different mounting configuration (free hanging in-line versus panel mount) and includes rated electrical specifications (16A at 32V), these parameters do not preclude functional equivalence in applications where the mounting method can be adapted or where the electrical ratings exceed system requirements.

Parameter Comparison

Engineering Selection Recommendations

The BK/HHC-R serves as a functional equivalent for the obsolete 0AFH0004Z based on matching fuse accommodation specifications and wire lead termination. The substitute part is currently in active production status, ensuring availability for replacement and new applications.

Key considerations for selection:

• Mounting Configuration: The substitute employs free hanging in-line mounting rather than panel mount. System redesign or mechanical adaptation may be required depending on installation constraints.
• Compliance Status: The BK/HHC-R achieves ROHS3 compliance and REACH unaffected status, providing environmental regulatory advantages over the non-compliant original part.
• Electrical Ratings: The substitute is rated for 16A at 32V. Confirm that system voltage and current requirements do not exceed these specifications.
• Availability: With 1748 units in stock, the BK/HHC-R offers superior supply chain continuity compared to the obsolete original part.

Frequently Asked Questions (FAQ)

Q: Can the BK/HHC-R directly replace the 0AFH0004Z without modification?

A: Both parts accommodate identical fuse sizes (0.75" L x 0.2" W) and support ATC/ATO blade fuses with single-circuit wire lead termination. However, the mounting configuration differs: the original is panel mount while the substitute is free hanging in-line. Physical installation method must be evaluated for your specific application.

Q: What are the electrical rating differences?

A: The BK/HHC-R is rated for 16A at 32V. The original 0AFH0004Z does not specify voltage or current ratings in available documentation. Confirm your system operates within the substitute's electrical specifications.

Q: Is the substitute RoHS compliant?

A: Yes. The BK/HHC-R is ROHS3 compliant, whereas the original 0AFH0004Z is RoHS non-compliant. This provides environmental and regulatory advantages for new designs and replacements in regulated markets.

Q: Why is the original part obsolete?

A: The 0AFH0004Z is classified as obsolete by Littelfuse Inc. The BK/HHC-R from Eaton - Bussmann maintains active production status and provides equivalent fuse holder functionality.

Q: Are there packaging differences?

A: The original part information does not specify packaging details. The substitute is supplied in bulk packaging. Confirm packaging requirements for your procurement process.