Littelfuse 0218.080HXP Equivalent & Substitute Parts

Part Overview

The Littelfuse 0218.080HXP is an 80 mA, 250 V AC/DC slow-blow glass cartridge fuse in a 5mm x 20mm package format. This component is designed for circuit protection in applications requiring controlled response characteristics and is classified as Active product status. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity while maintaining electrical and mechanical compatibility.

Substiute Parts

0218.080HXP

Littelfuse Inc.In Stock: 8470218.080HXP Datasheet

Current PartRFQ

0218.080MXP

Littelfuse Inc.In Stock: 23080218.080MXP Datasheet

DirectRFQ

0034.3106

SCHURTER Inc.In Stock: 19240034.3106 Datasheet

DirectRFQ

5ST 80-R

Bel Fuse Inc.In Stock: 54615ST 80-R Datasheet

DirectRFQ

BK/S506-80-R

Eaton - Electronics DivisionIn Stock: 1160BK/S506-80-R Datasheet

DirectRFQ

0034.5606.11

SCHURTER Inc.In Stock: 7950034.5606.11 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following critical parameters:

• Current Rating: 80 mA (exact match required)
• Voltage Rating (AC): 250 V (exact match required)
• Response Time: Slow Blow (exact match required)
• Package / Case: 5mm x 20mm (exact match required)
• Fuse Type: Cartridge, Glass (exact match required)
• Mounting Type: Requires Holder (exact match required)
• Breaking Capacity @ Rated Voltage: 35 A (exact match required)
• Operating Temperature Range: -55°C ~ 125°C (minimum requirement)
• RoHS Status: ROHS3 Compliant (required)

All substitute parts listed meet these criteria. Variations in secondary parameters such as Melting I²t, DC Cold Resistance, and specific approval agencies do not disqualify substitution when primary electrical and mechanical parameters are identical.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and comply with ROHS3 requirements. Selection among equivalent parts should be based on:

• Manufacturer availability and lead time
• Inventory levels at authorized distributors
• Approval agency certifications required for specific applications (CCC, CE, CSA, K-MARK, SEMKO, UL, VDE, cURus, IMQ, BSI, UR)
• DC Cold Resistance specifications where circuit design requires specific impedance characteristics
• Melting I²t values where thermal response characteristics are application-critical

The Littelfuse 0218.080MXP provides direct equivalence with identical electrical characteristics and is the primary substitute within the same manufacturer family. Cross-manufacturer substitutes (SCHURTER, Bel Fuse, Eaton) are electrically and mechanically compatible when approval agency requirements are satisfied.

Frequently Asked Questions (FAQ)

Q: Can 0218.080MXP be used as a direct replacement for 0218.080HXP?

A: Yes. Both parts are manufactured by Littelfuse Inc., share identical current rating (80 mA), voltage rating (250 V), response time (Slow Blow), package dimensions (5mm x 20mm), breaking capacity (35 A), operating temperature range (-55°C ~ 125°C), and RoHS compliance status. Melting I²t and DC Cold Resistance values are identical.

Q: Are cross-manufacturer substitutes electrically equivalent?

A: Yes, when primary parameters match exactly. All listed substitutes maintain 80 mA current rating, 250 V AC voltage rating, Slow Blow response, 5mm x 20mm package, 35 A breaking capacity, and ROHS3 compliance. Secondary parameters such as Melting I²t and DC Cold Resistance vary by manufacturer design but do not affect basic substitution eligibility.

Q: What is the significance of Melting I²t variation among substitutes?

A: Melting I²t describes the thermal energy required to melt the fuse element. Variations (ranging from 0.015 to 0.057 in this group) reflect different internal element designs. Selection should consider application-specific thermal response requirements, though all parts meet the 80 mA, 250 V, Slow Blow specification.

Q: Does package dimension variation affect compatibility?

A: All listed parts use the 5mm x 20mm cartridge format and require a standard fuse holder. Minor dimensional tolerances (e.g., 5.10mm vs 5.20mm diameter) are within normal manufacturing specifications and do not affect holder compatibility.

Q: Which approval agencies are represented across all substitutes?

A: Common certifications include CCC, VDE, and CSA. Individual parts carry additional certifications: Littelfuse includes K-MARK, SEMKO, UL; SCHURTER includes cURus; Bel Fuse includes CE, CSA, cURus, IMQ, SEMKO; Eaton includes BSI, IMQ, UR. Verify specific application requirements against the approval agency list for each part.

Q: Is operating temperature range a limiting factor for substitution?

A: The primary part and most substitutes specify -55°C ~ 125°C. BK/S506-80-R does not specify operating temperature. For applications requiring confirmed temperature range, prioritize parts with explicit -55°C ~ 125°C ratings.