GMA-500MA Equivalent & Substitute Parts Reference

Part Overview

The GMA-500MA is a 500 mA, 250 V AC/DC fast-blow glass cartridge fuse manufactured by Eaton - Electronics Division. This component requires a fuse holder for installation and is designed for circuit protection applications requiring fast response characteristics. The part is currently in active production status with 718 pieces available in new original inventory. Equivalent and substitute parts are identified based on matching electrical ratings, mechanical dimensions, response time characteristics, and approval agency certifications to ensure direct functional interchangeability in circuit protection applications.

Key Parameters

Parameter	Value
Current Rating	500 mA
Voltage Rating - AC	250 V
Fuse Type	Cartridge, Glass
Package / Case	5mm x 20mm
Response Time	Fast Blow
Breaking Capacity @ Rated Voltage	35A
Mounting Type	Requires Holder

Substitute Part Grouping Explanation

Substitute parts for the GMA-500MA are qualified based on the following critical parameters:

Electrical Equivalence Criteria:

Current Rating: 500 mA (exact match required)
Voltage Rating - AC: 250 V (exact match required)
Response Time: Fast Blow (exact match required)
Breaking Capacity @ Rated Voltage: 35A (exact match required)

Mechanical Equivalence Criteria:

Package / Case: 5mm x 20mm (exact match required)
Fuse Type: Cartridge, Glass (exact match required)
Mounting Type: Requires Holder (exact match required)

Compliance Criteria:

Approval agencies must include at least one common certification (UL, VDE, CSA, or equivalent)
RoHS compliance status must be equivalent or superior
Product status must be Active

All substitute parts listed meet these criteria and are directly interchangeable with the GMA-500MA in circuit protection applications.

Parameter Comparison

Part Number	Manufacturer	Current Rating (mA)	Voltage Rating - AC (V)	Response Time	Package / Case	Breaking Capacity (A)	Melting I²t	DC Cold Resistance (Ohms)	Approval Agencies	RoHS Status	Inventory (Pcs)
GMA-500MA	Eaton - Electronics Division	500	250	Fast Blow	5mm x 20mm	35	0.15	0.454	CSA, PSE, UL	Not specified	718
GMA-500-R	Eaton - Electronics Division	500	250	Fast Blow	5mm x 20mm	35	0.15	0.454	CSA, PSE, UL	RoHS Compliant	882
BK/GDB-500MA	Eaton - Electronics Division	500	250	Fast Blow	5mm x 20mm	35	0.18	0.26	UL, VDE	ROHS3 Compliant	1335
BK/S500-500-R	Eaton - Electronics Division	500	250	Fast Blow	5mm x 20mm	35	0.18	0.26	BSI, CCC, CSA, cULus, IMQ, SEMKO, VDE	ROHS3 Compliant	1989
BK1/S500-500-R	Eaton - Electronics Division	500	250	Fast Blow	5mm x 20mm	35	0.18	0.26	BSI, CCC, CSA, cULus, IMQ, SEMKO, VDE	ROHS3 Compliant	730
GDB-500MA	Eaton - Electronics Division	500	250	Fast Blow	5mm x 20mm	35	0.18	0.26	VDE, UR	Not specified	1048
S500-500-R	Eaton - Electronics Division	500	250	Fast Blow	5mm x 20mm	35	0.18	0.26	BSI, CCC, CSA, cURus, IMQ, SEMKO, VDE	ROHS3 Compliant	1113
0034.1513	SCHURTER Inc.	500	250	Fast Blow	5mm x 20mm	35	0.151	Not specified	CCC, cURus, VDE	ROHS3 Compliant	6101
0034.1513.G	SCHURTER Inc.	500	250	Fast Blow	5mm x 20mm	35	0.151	Not specified	CCC, CE, CSA, cURus, UKCA, UL, VDE	ROHS3 Compliant	757
0217.500HXP	Littelfuse Inc.	500	250	Fast Blow	5mm x 20mm	35	0.215	0.2065	CCC, CE, CSA, K-MARK, SEMKO, UL, VDE	ROHS3 Compliant	2683
0217.500MXBP	Littelfuse Inc.	500	250	Fast Blow	5mm x 20mm	35	0.215	0.2065	CCC, CE, CSA, KC, SEMKO, UL, VDE	ROHS3 Compliant	991

Engineering Selection Recommendations

Primary Substitutes (Eaton - Electronics Division):

GMA-500-R is the direct equivalent within the same manufacturer family, offering identical electrical and mechanical specifications with RoHS compliance and active product status. This part is recommended as the first choice for direct replacement.

BK/S500-500-R and BK1/S500-500-R provide extended approval agency coverage including BSI, CCC, CSA, cULus, IMQ, SEMKO, and VDE certifications. These parts are suitable for applications requiring broader international compliance documentation.

Secondary Substitutes (Cross-Manufacturer):

0034.1513 and 0034.1513.G (SCHURTER Inc.) meet all electrical and mechanical equivalence criteria with ROHS3 compliance and VDE/CSA certifications. The 0034.1513.G variant includes additional certifications (CE, UKCA, UL) and is suitable for applications requiring expanded regulatory compliance.

0217.500HXP and 0217.500MXBP (Littelfuse Inc.) are functionally equivalent with comprehensive approval agency coverage including UL, VDE, CSA, and CE certifications. Both variants are ROHS3 compliant and suitable for international applications.

Selection Basis:

All listed substitutes maintain identical current rating (500 mA), voltage rating (250 V), response time (Fast Blow), and mechanical package (5mm x 20mm)
All substitutes are Active product status
All substitutes carry relevant approval certifications (minimum UL, VDE, or CSA)
All substitutes are RoHS compliant or ROHS3 compliant
Inventory availability ranges from 730 to 6101 pieces across all options

Frequently Asked Questions (FAQ)

Q: Can GMA-500MA be directly replaced with GMA-500-R?

A: Yes. GMA-500-R is a direct equivalent manufactured by the same company (Eaton - Electronics Division) with identical electrical ratings (500 mA, 250 V AC), response time (Fast Blow), mechanical dimensions (5mm x 20mm), and breaking capacity (35A). Both require a fuse holder for installation.

Q: What is the difference between Eaton substitutes and cross-manufacturer substitutes?

A: Eaton substitutes (GMA-500-R, BK/GDB-500MA, BK/S500-500-R, BK1/S500-500-R, GDB-500MA, S500-500-R) are manufactured by the same company and share identical electrical and mechanical specifications. Cross-manufacturer substitutes (SCHURTER 0034.1513 series, Littelfuse 0217.500HXP and 0217.500MXBP) are manufactured by different companies but meet the same electrical, mechanical, and compliance requirements. All are functionally interchangeable.

Q: Are there differences in melting I²t values among substitutes?

A: Yes. The main part GMA-500MA has a melting I²t of 0.15. Most Eaton substitutes have 0.18, SCHURTER parts have 0.151, and Littelfuse parts have 0.215. These variations remain within the fast-blow response time classification and do not affect functional interchangeability for the specified 500 mA, 250 V application.

Q: Which substitute has the highest inventory availability?

A: SCHURTER 0034.1513 has the highest inventory with 6101 pieces in stock, followed by Littelfuse 0217.500HXP with 2683 pieces.

Q: Do all substitutes carry the same approval certifications?

A: No. Approval certifications vary by manufacturer and part variant. All substitutes carry at least one common certification (UL, VDE, or CSA). SCHURTER 0034.1513.G and Littelfuse parts carry the broadest certification coverage including CE and UKCA. Selection should be based on specific regulatory requirements for the target application.

Q: Is RoHS compliance a requirement for substitution?

A: All listed substitutes are either RoHS Compliant or ROHS3 Compliant. The main part GMA-500MA does not specify RoHS status. For applications requiring RoHS compliance, any of the listed substitutes are suitable.

Q: Can these fuses be used without a holder?

A: No. All parts in this equivalence list, including the main part GMA-500MA and all substitutes, require a fuse holder for installation. They are cartridge-type fuses designed for use in standardized 5mm x 20mm fuse holders.

Q: What is the operating temperature range for these fuses?

A: The main part GMA-500MA does not specify an operating temperature range. SCHURTER parts (0034.1513 and 0034.1513.G) and Littelfuse parts (0217.500HXP and 0217.500MXBP) are rated for -55°C to 125°C operation. Eaton substitutes do not specify operating temperature in the provided data.

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