GMA-200MA Equivalent & Substitute Parts Reference

Part Overview

The GMA-200MA is a 200 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 electronic equipment requiring fast response to overcurrent conditions. The part is currently active in production with 1131 pieces in stock. Equivalent and substitute parts are identified based on matching electrical ratings, mechanical dimensions, response characteristics, and regulatory approvals to ensure direct interchangeability in circuit protection applications.

Key Parameters

Parameter	Value
Current Rating	200 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
Size / Dimension	0.205" Dia x 0.787" L (5.20mm x 20.00mm)

Substitute Part Grouping Explanation

Substitute parts for the GMA-200MA are grouped based on strict equivalence of the following parameters:

Primary Equivalence Criteria:

Current Rating: 200 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

All substitute parts listed maintain these core electrical and mechanical specifications. Variations in secondary parameters such as melting I²t, DC cold resistance, and approval agencies do not affect functional interchangeability within the specified electrical ratings and mechanical form factor.

Parameter Comparison

Part Number	Manufacturer	Series	Current Rating (Amps)	Voltage Rating - AC	Response Time	Package / Case	Breaking Capacity @ Rated Voltage	Melting I²t	DC Cold Resistance (Ohms)	Inventory (Pcs)
GMA-200MA	Eaton - Electronics Division	GMA	200 mA	250 V	Fast Blow	5mm x 20mm	35A	0.001	2.5	1131
GMA-200-R	Eaton - Electronics Division	GMA	200 mA	250 V	Fast Blow	5mm x 20mm	35A	0.001	2.5	973
BK/GDB-200MA	Eaton - Electronics Division	GDB	200 mA	250 V	Fast Blow	5mm x 20mm	35A	0.016	6.8	910
BK/GMA-200-R	Eaton - Electronics Division	GMA	200 mA	250 V	Fast Blow	5mm x 20mm	35A	0.001	2.5	1956
BK/S500-200-R	Eaton - Electronics Division	S500	200 mA	250 V	Fast Blow	5mm x 20mm	35A	0.016	6.8	958
BK1/S500-200-R	Eaton - Electronics Division	S500	200 mA	250 V	Fast Blow	5mm x 20mm	35A	0.016	6.8	1875
GDB-200MA	Eaton - Electronics Division	GDB	200 mA	250 V	Fast Blow	5mm x 20mm	35A	0.016	6.8	665
S500-200-R	Eaton - Electronics Division	S500	200 mA	250 V	Fast Blow	5mm x 20mm	35A	0.016	6.8	948
0034.1509	SCHURTER Inc.	FSF 5x20	200 mA	250 V	Fast Blow	5mm x 20mm	35A	0.0252	Not Specified	1419
0034.3859	SCHURTER Inc.	FSK 5x20	200 mA	250 V	Fast Blow	5mm x 20mm	35A	0.043	Not Specified	1041
0217.200HXP	Littelfuse Inc.	217	200 mA	250 V	Fast Blow	5mm x 20mm	35A	0.02	1.7	1584

Engineering Selection Recommendations

Eaton GMA Series (GMA-200MA, GMA-200-R, BK/GMA-200-R): These parts share identical electrical and mechanical specifications with melting I²t of 0.001 and DC cold resistance of 2.5 Ohms. All three variants are Active status products with CSA, PSE, and UL approvals. BK/GMA-200-R offers the highest inventory availability at 1956 pieces and includes ROHS3 compliance and REACH Unaffected status.

Eaton GDB Series (BK/GDB-200MA, GDB-200MA): These parts maintain equivalent electrical ratings and mechanical form factor. Melting I²t is 0.016 with DC cold resistance of 6.8 Ohms. Both are Active status. BK/GDB-200MA includes UL and VDE approvals with ROHS3 compliance. GDB-200MA includes VDE and UR approvals.

Eaton S500 Series (BK/S500-200-R, BK1/S500-200-R, S500-200-R): All three S500 variants provide equivalent electrical and mechanical specifications with melting I²t of 0.016 and DC cold resistance of 6.8 Ohms. All are Active status with broad approval coverage including BSI, CCC, CSA, cULus, IMQ, SEMKO, and VDE. BK1/S500-200-R offers highest inventory at 1875 pieces with ROHS3 compliance and REACH Unaffected status.

SCHURTER FSF 5x20 Series (0034.1509): This part meets all core electrical and mechanical equivalence criteria with melting I²t of 0.0252. Active status with CCC, cURus, and VDE approvals. Operating temperature range specified as -55°C ~ 125°C. ROHS3 compliant with REACH Unaffected status. Inventory of 1419 pieces available.

SCHURTER FSK 5x20 Series (0034.3859): This part meets all core electrical and mechanical equivalence criteria with melting I²t of 0.043. Active status with cULus approval. Operating temperature range specified as -40°C ~ 85°C. ROHS3 compliant. Inventory of 1041 pieces available.

Littelfuse 217 Series (0217.200HXP): This part meets all core electrical and mechanical equivalence criteria with melting I²t of 0.02 and DC cold resistance of 1.7 Ohms. Active status with comprehensive approvals including CCC, CE, CSA, K-MARK, SEMKO, UL, and VDE. Operating temperature range -55°C ~ 125°C. ROHS3 compliant with REACH Unaffected status. Highest inventory availability at 1584 pieces.

Frequently Asked Questions (FAQ)

Q: What determines if a part can substitute for the GMA-200MA?

A: Substitution is based on matching the following parameters: 200 mA current rating, 250 V AC voltage rating, fast-blow response time, 5mm x 20mm mechanical form factor, 35A breaking capacity, and cartridge glass fuse type requiring a holder. All listed parts meet these criteria.

Q: Are there differences in melting I²t between substitute parts?

A: Yes. The GMA-200MA and GMA-200-R have melting I²t of 0.001, while GDB and S500 series parts have 0.016. SCHURTER 0034.1509 has 0.0252, SCHURTER 0034.3859 has 0.043, and Littelfuse 0217.200HXP has 0.02. These variations do not affect interchangeability within the specified 200 mA, 250 V rating and 5mm x 20mm package.

Q: Do all substitute parts require the same holder?

A: Yes. All substitute parts are cartridge glass fuses with 5mm x 20mm dimensions and require a compatible 5mm x 20mm fuse holder. Mechanical form factor is identical across all listed parts.

Q: What is the difference between bulk packaging and standard packaging?

A: The input data specifies packaging as either standard or bulk. Bulk packaging variants (BK/ prefix and BK1/ prefix) are available for several Eaton parts. Packaging does not affect electrical or mechanical interchangeability.

Q: Which substitute part has the broadest regulatory approvals?

A: The Littelfuse 0217.200HXP (217 series) includes CCC, CE, CSA, K-MARK, SEMKO, UL, and VDE approvals. The Eaton S500 series parts (BK/S500-200-R, BK1/S500-200-R, S500-200-R) also include comprehensive approvals: BSI, CCC, CSA, cULus, IMQ, SEMKO, and VDE.

Q: Are all substitute parts RoHS compliant?

A: All listed substitute parts are ROHS3 compliant except GDB-200MA, which does not specify RoHS status in the provided data.

Q: What is the operating temperature range for each substitute?

A: Littelfuse 0217.200HXP and SCHURTER 0034.1509 operate from -55°C to 125°C. SCHURTER 0034.3859 operates from -40°C to 85°C. Eaton parts do not specify operating temperature in the provided data.

Q: Which substitute part has the lowest DC cold resistance?

A: Littelfuse 0217.200HXP has the lowest DC cold resistance at 1.7 Ohms, compared to 2.5 Ohms for GMA series and 6.8 Ohms for GDB and S500 series parts.

Q: Can I use these parts interchangeably in my circuit?

A: All listed parts meet the core electrical and mechanical specifications for the GMA-200MA. Selection should be based on regulatory approval requirements for your application, available inventory, and any specific performance characteristics required by your circuit design.

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