Equivalent & Substitute Parts for 5HTP 250-R Ceramic Fuse

Part Overview

The 5HTP 250-R is a ceramic cartridge fuse manufactured by Bel Fuse Inc., rated for 250 mA at 250 V AC/DC with slow-blow response characteristics. This fuse is designed for applications requiring overcurrent protection in a compact 5mm x 20mm form factor and requires a compatible fuse holder for installation. The part maintains Active product status with full regulatory compliance across multiple certification bodies. Substitute parts are identified when electrical specifications, mechanical dimensions, and approval certifications remain equivalent across the product line.

Substiute Parts

5HTP 250-R

Bel Fuse Inc.In Stock: 17365HTP 250-R Datasheet

Current PartRFQ

5HT 250-R

Bel Fuse Inc.In Stock: 516185HT 250-R Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The 5HT 250-R qualifies as a parametric equivalent to the 5HTP 250-R based on the following criteria:

Electrical Equivalence:

• Identical current rating: 250 mA
• Identical voltage rating: 250 V AC
• Identical response time classification: Slow Blow
• Identical breaking capacity: 1.5 kA
• Identical melting I²t value: 0.1
• Identical DC cold resistance: 3.41 Ohms

Mechanical Equivalence:

• Identical package dimensions: 5mm x 20mm
• Identical fuse type: Cartridge, Ceramic
• Identical mounting requirement: Requires Holder

Regulatory Equivalence:

• Identical approval certifications: CCC, CE, CSA, cULus
• Identical operating temperature range: -55°C ~ 125°C
• Identical RoHS compliance status: ROHS3 Compliant

Parameter Comparison

Engineering Selection Recommendations

Both the 5HTP 250-R and 5HT 250-R maintain Active product status with full regulatory compliance. Selection between these parts should be based on availability and supply chain requirements. The 5HT 250-R currently maintains higher inventory levels (51,596 pcs) compared to the 5HTP 250-R (1,664 pcs), making it suitable for applications where supply continuity is a consideration. Both parts carry identical certifications (CCC, CE, CSA, cULus) and comply with ROHS3 requirements, ensuring regulatory acceptance in equivalent applications. The identical electrical and mechanical specifications ensure direct functional interchangeability within any circuit design utilizing the 5HTP 250-R.

Frequently Asked Questions (FAQ)

Q: Can the 5HT 250-R be used as a direct replacement for the 5HTP 250-R?

A: Yes. Both parts are electrically and mechanically equivalent with identical current ratings (250 mA), voltage ratings (250 V AC), response characteristics (Slow Blow), and physical dimensions (5mm x 20mm). They carry the same regulatory certifications and operate within the same temperature range.

Q: Are there any differences in fuse holder compatibility?

A: No. Both parts require a compatible 5mm x 20mm fuse holder. The identical package dimensions ensure mechanical compatibility with the same holder designs.

Q: Do both parts meet the same regulatory standards?

A: Yes. Both the 5HTP 250-R and 5HT 250-R carry identical approvals from CCC, CE, CSA, and cULus, and both comply with ROHS3 requirements.

Q: What is the difference between the 5HTP and 5HT series designations?

A: The series designation difference does not reflect electrical or mechanical parameter variations. Both parts are manufactured by Bel Fuse Inc. and maintain identical specifications across all critical parameters.

Q: Are there any performance differences in breaking capacity or melting characteristics?

A: No. Both parts have identical breaking capacity (1.5 kA) at rated voltage and identical melting I²t values (0.1), ensuring equivalent protection characteristics.