Littelfuse 0FHA0005Z Fuse Holder Blade Equivalent & Substitute Parts

Part Overview

The Littelfuse 0FHA0005Z is a blade fuse holder rated for 5A at 32V, designed for inline mounting with wire lead termination. This component is classified as obsolete, making identification of compatible substitute parts essential for system maintenance and component replacement in existing installations. The holder accommodates standard ATC/ATO blade fuses with dimensions of 0.75" L x 0.2" W (19.1mm x 5.1mm).

Substiute Parts

0FHA0005Z

LittelfuseIn Stock: 8630FHA0005Z Datasheet

Current PartRFQ

BK/HHC-R

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

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Littelfuse 0FHA0005Z is determined by the following critical parameters that must remain constant or be compatible:

Fixed Parameters (Must Match):

• Voltage Rating: 32V
• Fuse Type: Blade
• Fuse Size: 0.75" L x 0.2" W (19.1mm x 5.1mm)
• Mounting Type: Free Hanging (In-Line)
• Number of Circuits: 1
• Termination Style: Wire Leads
• Compatible Fuse Standards: ATC, ATO

Variable Parameters (Allowable Differences):

• Current Rating: May differ based on circuit protection requirements
• Manufacturer: Alternative suppliers acceptable
• Product Status: Active status preferred for availability

The Eaton Bussmann BK/HHC-R substitute maintains all fixed parameters while offering a higher current rating of 16A, suitable for applications requiring increased protection capacity within the same physical and electrical envelope.

Parameter Comparison

Engineering Selection Recommendations

The Eaton Bussmann BK/HHC-R is the designated substitute for the obsolete Littelfuse 0FHA0005Z. Selection is based on the following engineering criteria:

Compliance & Regulatory Status: Both components maintain ROHS3 compliance, ensuring environmental and regulatory alignment. The BK/HHC-R holds active product status, guaranteeing continued availability and supply chain reliability.

Physical & Electrical Compatibility: The substitute maintains identical voltage rating (32V), fuse size (0.75" L x 0.2" W), mounting configuration (free hanging inline), and termination style (wire leads). Both components accept standard ATC and ATO blade fuses.

Current Rating Consideration: The BK/HHC-R provides a higher current rating of 16A compared to the original 5A specification. This difference reflects the substitute's capability to handle increased protection levels within the same physical footprint. Circuit design must accommodate this rating change based on system requirements.

Frequently Asked Questions (FAQ)

Q: Can the Eaton Bussmann BK/HHC-R directly replace the Littelfuse 0FHA0005Z?

A: Yes, the BK/HHC-R is mechanically and electrically compatible. Both components share identical voltage rating, fuse size, mounting type, and termination style. The higher current rating (16A vs. 5A) must be evaluated against circuit protection requirements.

Q: What is the significance of the current rating difference between these parts?

A: The current rating determines the maximum current the fuse holder is designed to safely conduct. The BK/HHC-R's 16A rating provides higher capacity than the original 5A specification. System design must confirm that the substitute's rating aligns with intended circuit protection levels.

Q: Are both components suitable for the same fuse types?

A: Yes. Both the 0FHA0005Z and BK/HHC-R accommodate ATC and ATO blade fuses with dimensions of 0.75" L x 0.2" W (19.1mm x 5.1mm).

Q: What is the packaging difference between these components?

A: The Littelfuse 0FHA0005Z packaging specification is not provided. The Eaton Bussmann BK/HHC-R is supplied in bulk packaging. Verify packaging requirements for your procurement process.

Q: Why is the Littelfuse 0FHA0005Z classified as obsolete?

A: Obsolete status indicates the component is no longer manufactured by Littelfuse. The BK/HHC-R maintains active status, ensuring ongoing availability and support.

Q: Are there any compliance differences between these components?

A: Both components are ROHS3 compliant. The BK/HHC-R additionally carries REACH Unaffected status. Both share identical ECCN (EAR99) and HTSUS (8538.90.8180) classifications.