5HTP 2 Equivalent & Substitute Parts

Part Overview

The 5HTP 2 is a ceramic cartridge fuse manufactured by Bel Fuse Inc., rated for 2 A at 250 V AC with slow-blow response characteristics. It features a 5mm x 20mm axial form factor and is designed for through-hole mounting applications. The product is currently listed as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and component procurement.

Substiute Parts

5HTP 2

Bel Fuse Inc.In Stock: 11095HTP 2 Datasheet

Current PartRFQ

5HTP 2-R

Bel Fuse Inc.In Stock: 18015HTP 2-R Datasheet

DirectRFQ

0001.2507.PT

SCHURTER Inc.In Stock: 72050001.2507.PT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 5HTP 2 is determined by strict equivalence across the following critical parameters: current rating (2 A), AC voltage rating (250 V), fuse type (ceramic cartridge), package dimensions (5mm x 20mm axial), response characteristic (slow blow), and mounting configuration (through hole). All identified substitutes maintain these core electrical and mechanical specifications, ensuring direct functional compatibility within the original circuit design.

The 5HTP 2-R variant from Bel Fuse Inc. and the 0001.2507.PT from SCHURTER Inc. both satisfy these substitution criteria. The 5HTP 2-R is an active-status variant of the same series with identical electrical ratings. The 0001.2507.PT, while manufactured by a different supplier, maintains equivalent current, AC voltage, and mechanical specifications, with the addition of 300 V DC rating capability that does not conflict with AC-only applications.

Parameter Comparison

Engineering Selection Recommendations

For applications currently using the obsolete 5HTP 2, the 5HTP 2-R is the primary recommended substitute. This variant maintains identical electrical and mechanical specifications while offering active product status and ROHS3 compliance, providing superior long-term availability and regulatory alignment.

The 0001.2507.PT from SCHURTER Inc. serves as a secondary alternative for applications requiring extended DC voltage capability or where SCHURTER component qualification is already established. This part maintains all critical AC specifications while adding 300 V DC rating capacity. Approval certifications differ between manufacturers; the 5HTP 2-R retains the full certification portfolio of the original part, while the 0001.2507.PT carries cURus certification.

Both substitutes are currently in active production with substantial inventory availability, ensuring reliable procurement for ongoing system support.

Frequently Asked Questions (FAQ)

Q: Can the 5HTP 2-R be used as a direct replacement for the 5HTP 2?

A: Yes. The 5HTP 2-R maintains identical current rating (2 A), AC voltage rating (250 V), ceramic cartridge construction, 5mm x 20mm package dimensions, slow-blow response, and through-hole mounting configuration. The primary difference is product status (active versus obsolete) and RoHS compliance level.

Q: What is the difference between the 5HTP 2-R and the 0001.2507.PT?

A: Both parts are electrically equivalent for AC applications at 2 A and 250 V with identical package dimensions and response characteristics. The 0001.2507.PT is manufactured by SCHURTER Inc. rather than Bel Fuse Inc. and includes an additional 300 V DC rating. Certification portfolios differ; the 5HTP 2-R carries CCC, CE, CSA, IMQ, PSE, SEMKO, UL, and VDE approvals, while the 0001.2507.PT carries cURus certification.

Q: Are there mechanical compatibility concerns when substituting these parts?

A: No. All three parts share identical package specifications: 5mm x 20mm axial form factor with through-hole mounting. Physical dimensions are equivalent, with minor variations in exact length (5HTP series at 21.00mm, SCHURTER 0001.2507.PT at 22.50mm) that do not affect board-level compatibility.

Q: Which substitute should be selected for new designs?

A: For new designs, either the 5HTP 2-R or 0001.2507.PT are acceptable based on established supplier relationships and certification requirements. Both are active products with robust inventory. The 5HTP 2-R maintains the original manufacturer lineage, while the 0001.2507.PT offers extended DC voltage capability if future application flexibility is required.

Q: Does the additional 300 V DC rating on the 0001.2507.PT affect AC-only applications?

A: No. The 300 V DC rating is an additional capability that does not impact performance in AC-only circuits. The 250 V AC specification remains the controlling parameter for AC applications.