Equivalent & Substitute Parts for 5HFP 3.15

Part Overview

The 5HFP 3.15 is a ceramic cartridge fuse manufactured by Bel Fuse Inc., rated for 3.15 A at 250 V AC/DC with fast-blow response characteristics. The part features a 5mm x 20mm axial form factor and is designed for through-hole mounting applications. This product is currently listed as obsolete, necessitating identification of active equivalent and substitute components that maintain electrical and mechanical compatibility for ongoing system support and new designs.

Substiute Parts

5HFP 3.15

Bel Fuse Inc.In Stock: 11455HFP 3.15 Datasheet

Current PartRFQ

5HF 4-R

Bel Fuse Inc.In Stock: 23555HF 4-R Datasheet

DirectRFQ

5HFP 3.15-R

Bel Fuse Inc.In Stock: 16495HFP 3.15-R Datasheet

DirectRFQ

02163.15MXESPP

Littelfuse Inc.In Stock: 141602163.15MXESPP Datasheet

DirectRFQ

0001.1009.PT

SCHURTER Inc.In Stock: 33040001.1009.PT Datasheet

SimilarRFQ

02163.15MXEP

Littelfuse Inc.In Stock: 313402163.15MXEP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 5HFP 3.15 is determined by the following critical parameters:

• Current Rating: 3.15 A (direct equivalents only)
• Voltage Rating: 250 V AC minimum
• Fuse Type: Cartridge, Ceramic
• Package / Case: 5mm x 20mm form factor
• Response Time: Fast Blow
• Breaking Capacity: 1.5 kA @ rated voltage
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Through Hole

Parts are classified into two categories:

Direct Equivalents maintain identical electrical specifications and mounting characteristics, enabling drop-in replacement without circuit modification.

Similar Parts share the same electrical ratings and form factor but may have minor dimensional variations or different manufacturer certifications. These require physical verification of mounting compatibility before deployment.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: 5HFP 3.15-R

The 5HFP 3.15-R is the direct active equivalent manufactured by Bel Fuse Inc. This part maintains identical electrical specifications, mechanical dimensions, and through-hole mounting configuration. The transition from the obsolete 5HFP 3.15 to the 5HFP 3.15-R requires no circuit redesign. ROHS3 compliance status provides regulatory alignment for new production requirements.

Secondary Recommendations: 02163.15MXESPP and 02163.15MXEP

Both Littelfuse parts (02163.15MXESPP and 02163.15MXEP) provide electrical equivalence with identical current, voltage, and breaking capacity ratings. These components are active products with ROHS3 compliance. Minor dimensional variations exist within the 5mm x 20mm form factor envelope. Verification of physical fit within existing fuse holders is required before deployment.

Tertiary Recommendation: 0001.1009.PT

The SCHURTER 0001.1009.PT offers electrical compatibility with identical ratings and fast-blow response. This part is active and ROHS3 compliant. Dimensional variation (5.40mm diameter x 22.50mm length) represents the largest deviation from the original specification. Physical compatibility assessment with mounting hardware is mandatory.

Not Recommended: 5HF 4-R

The 5HF 4-R differs in current rating (4 A versus 3.15 A) and mounting type (requires holder versus through-hole). This part does not meet substitution criteria for the 5HFP 3.15 and is unsuitable for direct replacement.

Frequently Asked Questions (FAQ)

Q: Can the 5HFP 3.15-R be used as a direct replacement for the obsolete 5HFP 3.15?

A: Yes. The 5HFP 3.15-R maintains identical electrical specifications (3.15 A, 250 V AC, fast-blow response), mechanical dimensions (5mm x 20mm axial), and through-hole mounting configuration. No circuit modification is required.

Q: What is the difference between direct equivalents and similar parts?

A: Direct equivalents share identical electrical and mechanical specifications with the original part. Similar parts maintain the same electrical ratings and general form factor but may have minor dimensional variations. Similar parts require physical verification of mounting compatibility before use.

Q: Are the Littelfuse 02163.15MXESPP and 02163.15MXEP interchangeable?

A: Both parts share identical electrical specifications and are rated for 3.15 A at 250 V AC with fast-blow response. Minor dimensional differences exist (02163.15MXESPP: 5.20mm diameter x 20.00mm length; 02163.15MXEP: 5.80mm diameter x 22.50mm length). Compatibility depends on the specific fuse holder design. Dimensional verification is required.

Q: Why is the 5HF 4-R not suitable as a substitute?

A: The 5HF 4-R has a higher current rating (4 A versus 3.15 A) and requires a separate holder rather than through-hole mounting. These differences prevent it from functioning as an equivalent replacement.

Q: What certifications should I verify for regulatory compliance?

A: The original 5HFP 3.15 carries CCC, CE, CSA, IMQ, PSE, SEMKO, and UL approvals. Active substitute parts maintain equivalent or expanded certification coverage. Verify that the selected substitute meets the specific regulatory requirements for your application region and industry standards.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All active substitute parts listed (5HFP 3.15-R, 02163.15MXESPP, 02163.15MXEP, and 0001.1009.PT) are ROHS3 compliant. The original 5HFP 3.15 is RoHS non-compliant, making the transition to compliant alternatives necessary for new production.