5HFP 4 Ceramic Fuse - Equivalent & Substitute Parts

Part Overview

The 5HFP 4 is a 4A 250VAC ceramic cartridge fuse manufactured by Bel Fuse Inc., designed for through-hole mounting in 5mm x 20mm form factor applications. This part is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance requirements. Active alternatives from major manufacturers provide direct functional equivalence while offering improved availability and compliance status.

Substiute Parts

5HFP 4

Bel Fuse Inc.In Stock: 11335HFP 4 Datasheet

Current PartRFQ

5HFP 4-R

Bel Fuse Inc.In Stock: 28655HFP 4-R Datasheet

DirectRFQ

0001.1010.PT

SCHURTER Inc.In Stock: 10490001.1010.PT Datasheet

DirectRFQ

0216004.MXEP

Littelfuse Inc.In Stock: 28460216004.MXEP Datasheet

DirectRFQ

0216004.MXESPP

Littelfuse Inc.In Stock: 214300216004.MXESPP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 5HFP 4 is determined by strict equivalence across the following parameters: current rating (4A), voltage rating (250VAC), fuse type (ceramic cartridge), response time (fast blow), breaking capacity (1.5kA), and physical form factor (5mm x 20mm through-hole). All identified substitutes meet these core electrical and mechanical requirements. Minor variations in physical dimensions (diameter and length tolerances) and melting I²t values are within acceptable engineering margins for this component category and do not affect functional interchangeability in circuit protection applications.

Parameter Comparison

Engineering Selection Recommendations

The 5HFP 4-R (Bel Fuse Inc.) is the primary direct substitute, maintaining manufacturer continuity while transitioning from obsolete to active product status and achieving ROHS3 compliance. This part is recommended for applications requiring minimal supply chain transition.

The 0216004.MXESPP (Littelfuse Inc., Series 216SP) offers the highest inventory availability (21,400 units) and represents the most accessible alternative for high-volume requirements. This part maintains full electrical equivalence and provides ROHS3 compliance with comprehensive international certifications (CE, CSA, CQC, KC, PSE, UR, VDE).

The 0216004.MXEP (Littelfuse Inc., Series 216) provides an intermediate option with strong certification coverage (CCC, CE, CSA, KC, PSE, SEMKO, UL, VDE) and active product status.

The 0001.1010.PT (SCHURTER Inc., Series SP 5x20) is suitable for applications where SCHURTER component qualification is required, with cURus certification and active product status.

All substitutes are electrically and mechanically interchangeable with the 5HFP 4 for circuit protection applications operating within the specified voltage and current parameters.

Frequently Asked Questions (FAQ)

Q: Can 5HFP 4-R directly replace 5HFP 4 in existing designs?

A: Yes. The 5HFP 4-R maintains identical electrical ratings (4A, 250VAC), fuse type (ceramic cartridge), response time (fast blow), breaking capacity (1.5kA), and physical form factor (5mm x 20mm through-hole). The primary difference is product status transition from obsolete to active and improved RoHS compliance.

Q: What are the key differences between Littelfuse and SCHURTER substitutes?

A: All substitutes meet the core electrical and mechanical requirements. Differences exist in melting I²t values (SCHURTER 0001.1010.PT: 12.6 vs. Littelfuse options: 14.995), physical dimensions within tolerance, and certification agency approvals. These variations do not affect functional interchangeability for standard circuit protection applications.

Q: Which substitute offers the best availability?

A: The 0216004.MXESPP (Littelfuse Inc.) provides the highest inventory level at 21,400 units in stock, making it the optimal choice for high-volume production requirements.

Q: Are there compliance considerations when selecting a substitute?

A: All active substitutes are ROHS3 compliant, addressing the non-compliance status of the obsolete 5HFP 4. Certification requirements vary by application: Littelfuse options provide broader international certifications (CCC, CE, CSA, KC, PSE, SEMKO, UL, VDE), while SCHURTER focuses on cURus certification. Select based on your target market regulatory requirements.

Q: Do physical dimension variations affect PCB compatibility?

A: All substitutes maintain the 5mm x 20mm nominal form factor for through-hole mounting. Minor diameter and length variations (within 0.5mm) are within standard PCB footprint tolerances and do not require design modifications.