BK/GMA-V-500-R Equivalent & Substitute Parts

Part Overview

The BK/GMA-V-500-R is a 500 mA, 250 V AC/DC fast-blow glass cartridge fuse manufactured by Eaton - Electronics Division. This through-hole component features a 5mm x 20mm axial package and is designed for circuit protection applications requiring fast response characteristics. The part maintains active product status with 640 units in current inventory. Equivalent and substitute parts are identified to support procurement flexibility, supply chain continuity, and design standardization across compatible applications.

Substiute Parts

BK/GMA-V-500-R

Eaton - Electronics DivisionIn Stock: 748BK/GMA-V-500-R Datasheet

Current PartRFQ

0217.500MXEP

Littelfuse Inc.In Stock: 11770217.500MXEP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the BK/GMA-V-500-R is determined by strict equivalence across the following critical parameters:

• Current Rating: 500 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 (Axial) (exact match required)
• Mounting Type: Through Hole (exact match required)
• Breaking Capacity @ Rated Voltage: 35 A (exact match required)

The substitute part 0217.500MXEP (Littelfuse Inc., Series 217) satisfies all critical substitution criteria. Both the main part and substitute maintain identical electrical ratings, fuse characteristics, and mechanical package specifications. Dimensional variations within manufacturing tolerances and differences in secondary parameters (melting I²t, DC cold resistance, operating temperature range) do not affect functional interchangeability in circuit protection applications.

Parameter Comparison

Engineering Selection Recommendations

Both BK/GMA-V-500-R and 0217.500MXEP are active products with established supply availability. Selection between these parts should be based on the following factors:

Certification Requirements: The Littelfuse 0217.500MXEP provides broader international certification coverage (CCC, CE, CSA, K-MARK, SEMKO, UL, VDE) compared to the Eaton part (CSA, PSE, UL). Applications requiring specific regional compliance should reference the target market certifications.

RoHS Compliance: Both parts meet RoHS requirements. The Littelfuse part carries ROHS3 designation, indicating compliance with the most current RoHS directive iteration.

Electrical Characteristics: Melting I²t and DC cold resistance values differ between manufacturers. These variations reflect design differences in fuse element construction but do not affect substitutability for 500 mA, 250 V fast-blow applications.

Dimensional Tolerance: Mechanical dimensions vary within acceptable manufacturing tolerances for 5mm x 20mm axial packages. Both parts are compatible with standard fuse holders designed for this package specification.

Inventory Availability: Littelfuse 0217.500MXEP maintains higher current stock (1,082 units) compared to Eaton BK/GMA-V-500-R (640 units), supporting procurement lead time considerations.

Frequently Asked Questions (FAQ)

Q: Can 0217.500MXEP be used as a direct replacement for BK/GMA-V-500-R in existing designs?

A: Yes. Both parts share identical current rating (500 mA), voltage rating (250 V AC), fuse type (cartridge, glass), response time (fast blow), package specification (5mm x 20mm axial), and breaking capacity (35 A). Direct substitution is supported without circuit redesign.

Q: What are the key differences between these two parts?

A: Primary differences include manufacturer (Eaton vs. Littelfuse), series designation (GMA vs. 217), certification scope, melting I²t value (0.15 vs. 0.215), DC cold resistance (0.454 vs. 0.2065 Ohms), and operating temperature specification. These differences do not affect functional interchangeability for circuit protection applications.

Q: Are there dimensional compatibility concerns when substituting between these parts?

A: Both parts conform to the 5mm x 20mm axial package standard. Minor dimensional variations (Eaton: 5.54mm x 21.10mm; Littelfuse: 5.80mm x 22.50mm) fall within acceptable tolerances for standard fuse holder designs. No mechanical compatibility issues are anticipated.

Q: Which certifications should I prioritize for my application?

A: Certification selection depends on target market and regulatory requirements. Littelfuse 0217.500MXEP provides broader international coverage (CCC, CE, CSA, K-MARK, SEMKO, UL, VDE). Eaton BK/GMA-V-500-R covers CSA, PSE, and UL. Verify that the selected part's certification portfolio aligns with your application's geographic and regulatory scope.

Q: Does the difference in melting I²t affect circuit protection performance?

A: Melting I²t represents the thermal energy required to melt the fuse element. Both parts are rated for 500 mA fast-blow response. The I²t difference reflects manufacturing design variation but does not alter the fundamental 500 mA protection characteristic or fast-blow response classification.

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

A: DC cold resistance (0.454 Ohms vs. 0.2065 Ohms) reflects fuse element design differences. Both values are within acceptable ranges for 500 mA cartridge fuses. This parameter does not affect substitutability for standard circuit protection applications.