Equivalent & Substitute Parts for S501-80-R Ceramic Fuse

Part Overview

The S501-80-R is an 80 mA ceramic fuse cartridge manufactured by Eaton - Electronics Division, rated for 250 V AC/DC operation in a 5mm x 20mm form factor. This fast-blow fuse is designed for applications requiring overcurrent protection in low-voltage circuits and requires a compatible fuse holder for installation. The part maintains active product status with 1120 units in current inventory. Substitute parts are identified when equivalent electrical and mechanical parameters align with the main part specifications, enabling direct replacement in compatible holder assemblies.

Substiute Parts

S501-80-R

Eaton - Electronics DivisionIn Stock: 1228S501-80-R Datasheet

Current PartRFQ

BK1/S501-80-R

Eaton - Electronics DivisionIn Stock: 1117BK1/S501-80-R Datasheet

Parametric EquivalentRFQ

0216.080HXP

Littelfuse Inc.In Stock: 8440216.080HXP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the S501-80-R are classified based on strict alignment of electrical and mechanical parameters. The primary substitution criteria are:

Critical Parameters for Substitution:

• Current Rating: 80 mA (exact match required)
• Voltage Rating (AC): 250 V (exact match required)
• Fuse Type: Cartridge, Ceramic (exact match required)
• Response Time: Fast Blow (exact match required)
• Package / Case: 5mm x 20mm (exact match required)
• Breaking Capacity @ Rated Voltage: 1.5 kA (exact match required)

Parametric Equivalent: BK1/S501-80-R (Eaton - Electronics Division) meets all critical parameters identically to the main part, differing only in RoHS compliance level and MSL rating.

Similar Manufacturer Part: 0216.080HXP (Littelfuse Inc.) meets all critical electrical and mechanical parameters. Secondary parameter variations include DC Cold Resistance (7.885 Ohms vs. 27.9 Ohms), Melting I²t (0.00084 vs. 0.0011), and expanded operating temperature range (-55°C ~ 125°C).

Parameter Comparison

Engineering Selection Recommendations

BK1/S501-80-R Selection: This part is a parametric equivalent to the S501-80-R, maintaining identical electrical and mechanical specifications. Both parts carry CSA and cULus certifications and active product status. Selection of BK1/S501-80-R is appropriate for direct replacement applications where Eaton sourcing is preferred or where inventory of the primary part is unavailable. Current inventory of 1078 units supports availability.

0216.080HXP Selection: This Littelfuse part satisfies all critical electrical and mechanical substitution parameters. The part carries expanded regulatory approvals (CCC, CE, CSA, SEMKO, UR, VDE) and specifies an operating temperature range of -55°C ~ 125°C, providing broader environmental coverage than the main part. The DC Cold Resistance (7.885 Ohms) and Melting I²t (0.00084) differ from the main part; these variations remain within the functional envelope of a fast-blow 80 mA ceramic fuse cartridge. Selection of 0216.080HXP is appropriate for applications requiring extended temperature operation or multi-regional regulatory compliance. Current inventory of 775 units supports availability.

Frequently Asked Questions (FAQ)

Q: Can BK1/S501-80-R be used as a direct replacement for S501-80-R?

A: Yes. BK1/S501-80-R is a parametric equivalent with identical current rating (80 mA), voltage rating (250 V AC), fuse type (Cartridge, Ceramic), response time (Fast Blow), package dimensions (5mm x 20mm), and breaking capacity (1.5 kA). Both parts require the same fuse holder and carry equivalent certifications (CSA, cULus).

Q: Can 0216.080HXP be used as a direct replacement for S501-80-R?

A: Yes. 0216.080HXP meets all critical electrical and mechanical parameters: 80 mA current rating, 250 V AC voltage rating, Cartridge Ceramic fuse type, Fast Blow response, 5mm x 20mm package, and 1.5 kA breaking capacity. The part is compatible with the same fuse holder assembly. Secondary parameter variations (DC Cold Resistance and Melting I²t) do not affect functional substitution in standard overcurrent protection applications.

Q: What are the key differences between the substitute parts?

A: BK1/S501-80-R is manufactured by Eaton and maintains identical specifications to the main part. 0216.080HXP is manufactured by Littelfuse and provides expanded regulatory approvals (CCC, CE, SEMKO, UR, VDE in addition to CSA) and specifies an operating temperature range of -55°C ~ 125°C. DC Cold Resistance differs (7.885 Ohms vs. 27.9 Ohms) and Melting I²t differs (0.00084 vs. 0.0011).

Q: Are all substitute parts compatible with the same fuse holder?

A: Yes. All three parts (S501-80-R, BK1/S501-80-R, and 0216.080HXP) share identical package dimensions (5mm x 20mm) and mounting type (Requires Holder), ensuring mechanical compatibility with the same fuse holder assembly.

Q: Which substitute part should be selected for applications requiring extended temperature operation?

A: 0216.080HXP specifies an operating temperature range of -55°C ~ 125°C, providing broader environmental coverage than the main part and BK1/S501-80-R, which do not specify operating temperature limits.

Q: Are all parts RoHS compliant?

A: Yes. S501-80-R and 0216.080HXP are ROHS3 Compliant. BK1/S501-80-R is RoHS Compliant. All three parts meet RoHS requirements.