Equivalent & Substitute Parts for 5VTP 2.5-R

Part Overview

The 5VTP 2.5-R is a 2.5 A, 250 V AC/DC fuse cartridge manufactured by Bel Fuse Inc. in a 5mm x 20mm glass through-hole package with slow-blow response characteristics. This part is classified as obsolete, making identification of equivalent and substitute components essential for ongoing system maintenance and new design implementations. Substitute parts must maintain identical electrical ratings, mechanical dimensions, and functional performance to ensure direct compatibility in existing circuit protection applications.

Substiute Parts

5VTP 2.5-R

Bel Fuse Inc.In Stock: 11675VTP 2.5-R Datasheet

Current PartRFQ

021302.5MXEP

Littelfuse Inc.In Stock: 1306021302.5MXEP Datasheet

DirectRFQ

021302.5MRET1P

Littelfuse Inc.In Stock: 1037021302.5MRET1P Datasheet

SimilarRFQ

021802.5MXEP

Littelfuse Inc.In Stock: 3166021802.5MXEP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 5VTP 2.5-R are qualified based on the following mandatory electrical and mechanical parameters:

• Current Rating: 2.5 A (exact match required)
• Voltage Rating (AC): 250 V (exact match required)
• Fuse Type: Cartridge, Glass (exact match required)
• Response Time: Slow Blow (exact match required)
• Package / Case: 5mm x 20mm (Axial) (exact match required)
• Mounting Type: Through Hole (exact match required)
• Breaking Capacity @ Rated Voltage: 35 A (exact match required)
• Operating Temperature Range: -55°C to 125°C (exact match required)

All three substitute parts meet these criteria. Variations in melting I²t, DC cold resistance, physical dimensions within tolerance, and packaging format (bulk vs. tape & reel) do not affect functional substitution capability.

Parameter Comparison

Engineering Selection Recommendations

All three Littelfuse substitute parts (021302.5MXEP, 021302.5MRET1P, and 021802.5MXEP) are direct functional equivalents to the obsolete 5VTP 2.5-R. Selection among these substitutes should be based on the following criteria:

021302.5MXEP and 021802.5MXEP (Bulk Packaging): Both are available in bulk packaging format and carry active product status. These are suitable for high-volume production environments and replacement stock applications. Both hold comprehensive international certifications including CCC, CE, CSA, SEMKO, and VDE.

021302.5MRET1P (Tape & Reel Packaging): This part is supplied in tape and reel format, optimized for automated assembly processes and pick-and-place equipment. It maintains identical electrical and mechanical specifications and carries the same active product status and certifications as the bulk variant.

All three substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. Selection between bulk and tape & reel formats depends on manufacturing process requirements rather than electrical performance.

Frequently Asked Questions (FAQ)

Q: Can 021302.5MXEP replace 5VTP 2.5-R in existing applications?

A: Yes. Both parts share identical current rating (2.5 A), voltage rating (250 V AC), fuse type (cartridge glass), response time (slow blow), package dimensions (5mm x 20mm), and breaking capacity (35 A). Physical dimensions are within tolerance, and both operate across -55°C to 125°C.

Q: What is the difference between 021302.5MXEP and 021302.5MRET1P?

A: These parts are electrically and mechanically identical. The primary difference is packaging format: 021302.5MXEP is supplied in bulk, while 021302.5MRET1P is supplied in tape and reel format. Selection depends on assembly process requirements.

Q: How does 021802.5MXEP differ from the 213 series substitutes?

A: The 021802.5MXEP belongs to the 218 series and differs in melting I²t (23.25 vs. 138) and DC cold resistance (0.0219 Ohms vs. 0.0305 Ohms). Despite these differences, it meets all mandatory electrical and mechanical substitution criteria and is functionally equivalent for circuit protection applications.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts (021302.5MXEP, 021302.5MRET1P, and 021802.5MXEP) are ROHS3 compliant and REACH unaffected.

Q: Which substitute part should be selected for new designs?

A: Any of the three substitute parts are suitable for new designs. Selection should be based on packaging requirements (bulk vs. tape & reel) and supply chain availability. All three carry active product status and comprehensive international certifications.