Equivalent & Substitute Parts for BK/S501-200-R Ceramic Fuse

Part Overview

The BK/S501-200-R is a ceramic cartridge fuse rated at 200 mA, 250 V AC/DC with fast-blow response characteristics. Manufactured by Eaton - Electronics Division, this component is designed for circuit protection in applications requiring a 5mm x 20mm form factor and holder-based mounting. The part maintains Active product status with 1147 pieces in current inventory. Substitute parts are identified based on matching electrical specifications, mechanical dimensions, and regulatory compliance certifications to ensure direct functional equivalence in circuit protection applications.

Substiute Parts

BK/S501-200-R

Eaton - Electronics DivisionIn Stock: 1184BK/S501-200-R Datasheet

Current PartRFQ

BK/GDA-200MA

Eaton - Electronics DivisionIn Stock: 1276BK/GDA-200MA Datasheet

Parametric EquivalentRFQ

S501-200-R

Eaton - Electronics DivisionIn Stock: 747S501-200-R Datasheet

Parametric EquivalentRFQ

0216.200HXP

Littelfuse Inc.In Stock: 12490216.200HXP Datasheet

DirectRFQ

0216.200MXP

Littelfuse Inc.In Stock: 72030216.200MXP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the BK/S501-200-R is determined by strict equivalence across the following parameters:

Critical Matching Parameters:

• Current Rating: 200 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)
• Mounting Type: Requires Holder (exact match required)
• Breaking Capacity @ Rated Voltage: 1.5 kA (exact match required)

All identified substitute parts meet these critical parameters. Variations in secondary parameters such as DC Cold Resistance, Melting I²t, and specific approval agency certifications do not preclude substitution when primary electrical and mechanical specifications align.

Parameter Comparison

Engineering Selection Recommendations

All five parts listed—BK/S501-200-R, S501-200-R, BK/GDA-200MA, 0216.200HXP, and 0216.200MXP—are functionally equivalent for circuit protection applications requiring 200 mA, 250 V AC/DC ceramic cartridge fuses in 5mm x 20mm form factor.

Eaton Series Selection (BK/S501-200-R, S501-200-R, BK/GDA-200MA): These parts share identical electrical specifications and mechanical dimensions. The S501 and GDA series from Eaton maintain Active product status. Approval certifications include BSI, CCC, CSA, cULus, IMQ, SEMKO, and VDE. Selection between these Eaton variants depends on inventory availability and specific regional compliance requirements.

Littelfuse Series Selection (0216.200HXP, 0216.200MXP): Both Littelfuse 216 series parts meet all critical electrical and mechanical parameters. These components carry certifications from CCC, CE, CSA, SEMKO, UR, and VDE. The 0216.200MXP variant has significantly higher inventory availability (7154 pieces) compared to 0216.200HXP (1171 pieces). Both parts operate across the temperature range of -55°C to 125°C.

Compliance Considerations: All parts maintain RoHS3 compliance and REACH Unaffected status. Selection should account for regional certification requirements: Eaton parts include BSI and cULus certifications, while Littelfuse parts include CE and UR certifications. Both manufacturers' products are classified under HTSUS 8536.10.0040 and ECCN EAR99.

Frequently Asked Questions (FAQ)

Q: Can I substitute BK/S501-200-R with 0216.200HXP or 0216.200MXP?

A: Yes. Both Littelfuse 216 series parts are direct functional equivalents. All critical parameters—current rating (200 mA), voltage rating (250 V AC), fuse type (ceramic cartridge), response time (fast blow), package dimensions (5mm x 20mm), and breaking capacity (1.5 kA)—are identical. The parts are mechanically and electrically interchangeable in holder-based mounting applications.

Q: What is the difference between the Eaton S501 and GDA series?

A: Both series meet identical electrical and mechanical specifications for this 200 mA, 250 V application. The primary difference is series designation. S501-200-R and BK/S501-200-R are from the S501 series, while BK/GDA-200MA is from the GDA series. All three Eaton variants are functionally equivalent.

Q: Are there differences in DC Cold Resistance between Eaton and Littelfuse parts?

A: Yes. Eaton parts (BK/S501-200-R, S501-200-R, BK/GDA-200MA) have 6 Ohms DC Cold Resistance, while Littelfuse parts (0216.200HXP, 0216.200MXP) have 3.35 Ohms. This difference does not affect substitution eligibility, as both values are within acceptable ranges for ceramic cartridge fuses in this current and voltage class.

Q: What is the significance of Melting I²t values?

A: Melting I²t characterizes the thermal energy required to melt the fuse element. Eaton parts show 0.02 while Littelfuse parts show 0.00439. Both values are provided by manufacturers and indicate fast-blow response characteristics. The difference reflects design variations between manufacturers but does not preclude direct substitution when all other critical parameters match.

Q: Which part has the best inventory availability?

A: The 0216.200MXP (Littelfuse) has the highest inventory with 7154 pieces in stock, followed by BK/GDA-200MA (Eaton) with 1212 pieces. All parts maintain Active product status with sufficient stock for production requirements.

Q: Are all parts RoHS compliant?

A: Yes. All five parts are RoHS compliant. BK/S501-200-R, S501-200-R, 0216.200HXP, and 0216.200MXP are ROHS3 Compliant. BK/GDA-200MA is RoHS Compliant. Both compliance levels are acceptable for circuit protection applications.

Q: What certifications should I verify for regional compliance?

A: Eaton parts include BSI, CCC, CSA, cULus, IMQ, SEMKO, and VDE certifications. Littelfuse parts include CCC, CE, CSA, SEMKO, UR, and VDE certifications. Select based on your target market: cULus and BSI for North American applications, CE for European markets, and CCC for Chinese markets.

Q: Can these fuses be used in both AC and DC circuits?

A: Yes. All parts are rated for 250 V AC/DC operation, indicating suitability for both alternating and direct current applications within the specified voltage and current limits.