Equivalent & Substitute Parts for BK/GMA-63-R Glass Fuse Cartridge

Part Overview

The BK/GMA-63-R is a 63 mA, 250 V AC/DC fast-blow glass fuse cartridge manufactured by Eaton - Electronics Division. This component is designed for use in 5mm x 20mm fuse holders and provides circuit protection in low-current applications. The part maintains Active product status with 881 pieces currently in stock. Alternative equivalent parts are necessary to support supply chain flexibility, accommodate regional availability, and provide options across multiple manufacturer certifications and performance characteristics.

Substiute Parts

BK/GMA-63-R

Eaton - Electronics DivisionIn Stock: 929BK/GMA-63-R Datasheet

Current PartRFQ

BK/S500-63-R

Eaton - Electronics DivisionIn Stock: 1035BK/S500-63-R Datasheet

Parametric EquivalentRFQ

BK1/S500-63-R

Eaton - Electronics DivisionIn Stock: 1007BK1/S500-63-R Datasheet

Parametric EquivalentRFQ

GDB-63MA

Eaton - Electronics DivisionIn Stock: 1139GDB-63MA Datasheet

Parametric EquivalentRFQ

0034.1530

SCHURTER Inc.In Stock: 23100034.1530 Datasheet

Parametric EquivalentRFQ

0217.063HXP

Littelfuse Inc.In Stock: 12010217.063HXP Datasheet

Parametric EquivalentRFQ

0217.063MXP

Littelfuse Inc.In Stock: 47410217.063MXP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the BK/GMA-63-R is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Current Rating: 63 mA (exact match required)
• Voltage Rating (AC): 250 V (exact match required)
• Fuse Type: Cartridge, Glass (exact match required)
• Response Time: Fast Blow (exact match required)
• Package / Case: 5mm x 20mm (exact match required)
• Breaking Capacity @ Rated Voltage: 35A (exact match required)
• Mounting Type: Requires Holder (exact match required)

All substitute parts listed below meet these mandatory parameters. Secondary parameters such as DC Cold Resistance, Melting I²t, and approval agencies may vary within acceptable engineering tolerances for this component category, but do not affect substitution eligibility when primary parameters are identical.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection Criteria:

All listed substitute parts are parametrically equivalent to the BK/GMA-63-R and are suitable for direct replacement in applications requiring a 63 mA, 250 V AC/DC fast-blow glass fuse cartridge in 5mm x 20mm form factor.

Compliance Considerations:

The BK/GMA-63-R carries CSA, PSE, and UL certifications. When substituting with alternative parts, verify that the selected substitute meets the specific regulatory requirements of your application:

• Littelfuse 0217.063HXP and 0217.063MXP provide the broadest certification coverage (CCC, CE, CSA, K-MARK, SEMKO, UL, VDE), making them suitable for applications requiring multi-regional compliance.
• SCHURTER 0034.1530 carries CCC, cURus, and VDE certifications, appropriate for European and Asian market applications.
• Eaton S500 series (BK/S500-63-R, BK1/S500-63-R) and GDB series (GDB-63MA) do not specify approval agencies in the provided data; confirm certification status with the manufacturer before selection for regulated applications.

Inventory Availability:

The Littelfuse 0217.063MXP offers the highest inventory level (4632 pieces), followed by SCHURTER 0034.1530 (2249 pieces). These options provide superior supply chain continuity for high-volume requirements.

Product Status:

All substitute parts maintain Active product status, ensuring continued availability and manufacturer support.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitute parts interchangeably with the BK/GMA-63-R?

A: Yes. All listed substitute parts meet the mandatory electrical and mechanical parameters: 63 mA current rating, 250 V AC voltage rating, fast-blow response, 35A breaking capacity, and 5mm x 20mm package dimensions. Physical installation and electrical performance are equivalent.

Q: What is the difference between the Eaton GMA, S500, and GDB series fuses?

A: These are different product series from Eaton - Electronics Division. While all three series offer 63 mA, 250 V fast-blow cartridges in 5mm x 20mm packages, they differ in DC Cold Resistance (GMA: 15.75 Ohms; S500 variants: 12.5-125 Ohms; GDB: 12.5 Ohms) and Melting I²t characteristics. Series selection should be based on application-specific requirements and available certifications.

Q: Why do the Littelfuse 0217.063HXP and 0217.063MXP have identical electrical specifications but different part numbers?

A: The part numbers reflect different manufacturing or packaging variants within the Littelfuse 217 series. Both parts are electrically and mechanically equivalent with identical current ratings, voltage ratings, response times, and breaking capacities. Selection between them should be based on availability and application-specific requirements.

Q: Are there temperature operating range differences between these fuses?

A: The BK/GMA-63-R does not specify an operating temperature range in the provided data. The Littelfuse 0217.063HXP and 0217.063MXP specify -55°C ~ 125°C, and the SCHURTER 0034.1530 specifies -55°C ~ 125°C. For applications requiring operation outside standard temperature ranges, select a substitute part with a specified operating range that matches your requirements.

Q: What does RoHS compliance status mean for fuse selection?

A: RoHS (Restriction of Hazardous Substances) compliance indicates the part meets environmental regulations restricting lead, cadmium, mercury, and other hazardous materials. The BK/GMA-63-R is ROHS3 Compliant. Most substitute parts are also ROHS3 Compliant or RoHS Compliant. For applications subject to RoHS requirements, confirm the substitute part's compliance status matches your regulatory obligations.

Q: Can I substitute based on Melting I²t values alone?

A: No. Melting I²t is a secondary characteristic that varies among the substitute parts (ranging from 0.00024 to 0.000278) but does not affect substitution eligibility. Substitution is determined solely by matching the mandatory parameters: current rating, voltage rating, fuse type, response time, package dimensions, and breaking capacity. Melting I²t should be considered only for specialized thermal analysis in specific applications.

Q: Which substitute part should I choose for European market applications?

A: For European market applications, the Littelfuse 0217.063HXP or 0217.063MXP are recommended due to their comprehensive certification coverage including CE, VDE, and SEMKO. The SCHURTER 0034.1530 is also suitable with VDE certification. Confirm specific regional requirements with your regulatory or procurement team.