S501-630-R Ceramic Fuse Equivalent & Substitute Parts

Part Overview

The Eaton S501-630-R is a ceramic cartridge fuse rated for 630 mA at 250 V AC/DC with fast-blow response characteristics. The fuse is housed in a 5mm x 20mm form factor and requires a compatible holder for installation. This component is active in production and complies with CSA and cURus approval standards. Equivalent and substitute parts are identified based on matching electrical ratings, mechanical dimensions, response time classification, and breaking capacity specifications.

Substiute Parts

S501-630-R

Eaton - Electronics DivisionIn Stock: 862S501-630-R Datasheet

Current PartRFQ

BK/GDA-630MA

Eaton - Electronics DivisionIn Stock: 1150BK/GDA-630MA Datasheet

Parametric EquivalentRFQ

BK/S501-630-R

Eaton - Electronics DivisionIn Stock: 899BK/S501-630-R Datasheet

Parametric EquivalentRFQ

BK1/S501-630-R

Eaton - Electronics DivisionIn Stock: 1986BK1/S501-630-R Datasheet

Parametric EquivalentRFQ

GDA-630MA

Eaton - Electronics DivisionIn Stock: 966GDA-630MA Datasheet

Parametric EquivalentRFQ

0216.630MXP

Littelfuse Inc.In Stock: 10350216.630MXP Datasheet

DirectRFQ

0001.1002

SCHURTER Inc.In Stock: 16760001.1002 Datasheet

Parametric EquivalentRFQ

0216.630HXP

Littelfuse Inc.In Stock: 12490216.630HXP Datasheet

Parametric EquivalentRFQ

0216.630TXP

LittelfuseIn Stock: 12010216.630TXP Datasheet

Parametric EquivalentRFQ

FCD-630MA

OptiFuseIn Stock: 3932FCD-630MA Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the S501-630-R is determined by the following criteria:

Primary Matching Parameters:

• Current Rating: 630 mA (exact match required)
• Voltage Rating (AC): 250 V (exact match required)
• Package / Case: 5mm x 20mm (exact match required)
• Fuse Type: Cartridge, Ceramic (exact match required)
• Response Time: Fast Blow (exact match required)
• Breaking Capacity @ Rated Voltage: 1.5 kA (exact match required)

Secondary Compatibility Factors:

• Mounting Type: Requires Holder (all substitutes use same mounting method)
• Product Status: Active (all listed substitutes are active)
• Approval Agencies: CSA, cURus, UL, UR, VDE, CCC, CE, SEMKO, KC, IEC 60127

All substitute parts listed meet or exceed the primary matching parameters. Variations in DC cold resistance, melting I²t values, and approval agency certifications do not preclude substitution when electrical and mechanical specifications are identical.

Parameter Comparison

Engineering Selection Recommendations

Eaton Series Substitutes (Parametric Equivalents): BK/GDA-630MA, BK/S501-630-R, BK1/S501-630-R, and GDA-630MA are parametric equivalents manufactured by Eaton - Electronics Division. These parts share identical electrical and mechanical specifications with the S501-630-R. BK/GDA-630MA, BK/S501-630-R, and BK1/S501-630-R carry ROHS3 compliance certification. All Eaton substitutes maintain the same 1.5 kA breaking capacity and 0.34 Ohms DC cold resistance.

Littelfuse Series Substitutes (Direct Manufacturer Equivalents): 0216.630MXP, 0216.630HXP, and 0216.630TXP are manufactured by Littelfuse Inc. in the 216 series. These parts meet all primary electrical and mechanical matching parameters. Littelfuse parts carry broader approval agency certifications including CCC, CE, CSA, SEMKO, UR, and VDE. Operating temperature range is specified as -55°C to 125°C. DC cold resistance is 0.465 Ohms with melting I²t of 0.175.

SCHURTER Series Substitute (Parametric Equivalent): 0001.1002 from SCHURTER Inc. (SP 5x20 series) meets all primary matching parameters. This part carries CCC, cURus, KC, and VDE approvals. Operating temperature range is -55°C to 125°C. Melting I²t is specified as 0.207.

OptiFuse Series Substitute (Parametric Equivalent): FCD-630MA from OptiFuse (FCD series) meets all primary matching parameters and includes explicit 250 V DC voltage rating. This part carries IEC 60127 approval. Operating temperature range is -55°C to 125°C. Melting I²t is 0.0672, closest to the original S501-630-R specification of 0.064.

Frequently Asked Questions (FAQ)

Q: What determines if a fuse can substitute for the S501-630-R?

A: Substitution requires exact matching of current rating (630 mA), AC voltage rating (250 V), package dimensions (5mm x 20mm), fuse type (cartridge ceramic), response time (fast blow), and breaking capacity (1.5 kA). All listed substitutes meet these criteria.

Q: Are there differences in performance between Eaton and third-party substitutes?

A: All substitutes meet the same electrical and mechanical specifications. Variations exist in DC cold resistance and melting I²t values. Littelfuse parts (0216 series) specify -55°C to 125°C operating temperature, while Eaton S501 series does not specify operating temperature limits. SCHURTER and OptiFuse parts also specify -55°C to 125°C operating range.

Q: Can I use FCD-630MA as a direct replacement?

A: Yes. FCD-630MA meets all primary matching parameters and includes explicit 250 V DC rating. The melting I²t value of 0.0672 is closest to the original S501-630-R specification of 0.064, making it functionally equivalent.

Q: What is the significance of DC cold resistance differences?

A: DC cold resistance values (ranging from 0.34 to 0.465 Ohms across substitutes) reflect manufacturing variations within the ceramic fuse category. All values remain within acceptable ranges for 630 mA fast-blow cartridge fuses and do not affect substitution eligibility.

Q: Do all substitutes require the same holder?

A: Yes. All substitutes use the 5mm x 20mm form factor and require a compatible 5mm x 20mm fuse holder. Mechanical compatibility is identical across all listed parts.

Q: Which substitute has the broadest approval certifications?

A: Littelfuse parts (0216.630MXP, 0216.630HXP, 0216.630TXP) carry the most comprehensive approval agency certifications: CCC, CE, CSA, SEMKO, UR, and VDE.

Q: Is the S501-630-R still in active production?

A: Yes. The S501-630-R maintains active product status. All listed substitutes are also active in production.