GDC-200MA Equivalent & Substitute Parts

Part Overview

The GDC-200MA is a 200 mA, 250 V AC/DC slow blow glass cartridge fuse in a 5mm x 20mm package manufactured by Eaton - Electronics Division. This component requires a fuse holder for installation and is classified as Active product status. Substitute parts are identified when equivalent electrical characteristics, mechanical dimensions, and functional performance parameters align with the original specification, enabling direct replacement in circuit protection applications.

Key Parameters

Parameter	Value
Current Rating	200 mA
Voltage Rating (AC)	250 V
Fuse Type	Cartridge, Glass
Response Time	Slow Blow
Package / Case	5mm x 20mm
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 GDC-200MA are qualified based on the following critical parameters:

Mandatory Matching Parameters:

Current Rating: 200 mA
Voltage Rating (AC): 250 V
Fuse Type: Cartridge, Glass
Response Time: Slow Blow
Package / Case: 5mm x 20mm
Breaking Capacity @ Rated Voltage: 35A
Mounting Type: Requires Holder

All substitute parts listed maintain these core electrical and mechanical specifications, ensuring functional equivalence in circuit protection applications. Variations in secondary parameters such as melting I²t, DC cold resistance, and approval agencies do not preclude substitution when primary parameters align.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Current Rating (Amps)	Voltage Rating (AC)	Response Time	Package / Case	Breaking Capacity @ Rated Voltage	Melting I²t	DC Cold Resistance (Ohms)	Approval Agency
GDC-200MA	Eaton - Electronics Division	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.114	1	cURus, IMQ
BK/GMD-200-R	Eaton - Electronics Division	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.2	5.19	CSA, UL
BK/S506-200-R	Eaton - Electronics Division	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.114	1	BSI, CCC, CSA, IMQ, SEMKO, UR, VDE
BK1/S506-200-R	Eaton - Electronics Division	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.114	1	BSI, CCC, CSA, IMQ, SEMKO, UR, VDE
S506-200-R	Eaton - Electronics Division	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.114	1	BSI, CCC, CSA, IMQ, SEMKO, UR, VDE
0034.3110	SCHURTER Inc.	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.256	Not Specified	CCC, cURus, VDE
0034.5036	SCHURTER Inc.	200 mA	250 V	Slow Blow	5mm x 20mm	35A	1.73	Not Specified	cURus
0034.5610.11	SCHURTER Inc.	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.256	Not Specified	cURus, VDE
0218.200HXP	Littelfuse Inc.	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.341	1.6	CCC, CE, CSA, K-MARK, SEMKO, UL, VDE
0218.200MXP	Littelfuse Inc.	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.341	1.6	CCC, CE, CSA, K-MARK, SEMKO, UL, VDE
0219.200MXAP	Littelfuse Inc.	200 mA	250 V	Slow Blow	5mm x 20mm	150A	0.32	1.6	CCC, CE, CSA, SEMKO, UL, VDE

Engineering Selection Recommendations

Eaton - Electronics Division Substitutes:

The BK/S506-200-R, BK1/S506-200-R, and S506-200-R variants from Eaton maintain identical melting I²t (0.114) and DC cold resistance (1 Ohm) to the GDC-200MA. These parts carry expanded approval agency certifications including BSI, CCC, CSA, IMQ, SEMKO, UR, and VDE, providing broader regulatory compliance coverage. The BK/GMD-200-R variant differs in melting I²t (0.2) and DC cold resistance (5.19 Ohms) but maintains the 35A breaking capacity and carries CSA and UL certifications.

SCHURTER Inc. Substitutes:

The 0034.3110 and 0034.5610.11 parts maintain the 0.256 melting I²t specification and carry cURus and VDE certifications. The 0034.5036 variant exhibits higher melting I²t (1.73) and operates across -40°C to 85°C temperature range with cURus certification. All SCHURTER parts maintain the 35A breaking capacity and 5mm x 20mm package dimensions.

Littelfuse Inc. Substitutes:

The 0218.200HXP and 0218.200MXP parts maintain 0.341 melting I²t and 1.6 Ohm DC cold resistance, with comprehensive approval agency coverage including CCC, CE, CSA, K-MARK, SEMKO, UL, and VDE. Operating temperature range extends to -55°C to 125°C. The 0219.200MXAP variant provides enhanced breaking capacity (150A) while maintaining all other electrical parameters and certifications.

Product Status:

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

Frequently Asked Questions (FAQ)

Q: Can BK/GMD-200-R be used as a direct replacement for GDC-200MA?

A: BK/GMD-200-R matches all mandatory parameters: 200 mA current rating, 250 V AC voltage rating, slow blow response, 5mm x 20mm package, and 35A breaking capacity. Differences in melting I²t (0.2 vs. 0.114) and DC cold resistance (5.19 vs. 1 Ohm) do not prevent substitution when these secondary characteristics are acceptable for the application.

Q: What is the difference between the Eaton S506 variants (BK/S506-200-R, BK1/S506-200-R, S506-200-R)?

A: All three S506 variants maintain identical electrical specifications: 200 mA, 250 V, 0.114 melting I²t, 1 Ohm DC cold resistance, and 35A breaking capacity. The designations reflect different packaging or distribution configurations. All carry the same approval agencies: BSI, CCC, CSA, IMQ, SEMKO, UR, and VDE.

Q: Are SCHURTER parts suitable replacements despite different melting I²t values?

A: SCHURTER parts 0034.3110 and 0034.5610.11 maintain 0.256 melting I²t, while 0034.5036 exhibits 1.73 melting I²t. All maintain the 200 mA, 250 V, slow blow, 5mm x 20mm, and 35A specifications. Melting I²t variation affects thermal response characteristics; selection depends on application thermal requirements.

Q: What is the advantage of Littelfuse 0219.200MXAP over other substitutes?

A: The 0219.200MXAP provides 150A breaking capacity compared to 35A in other substitutes, offering enhanced fault current handling capability. All other electrical parameters remain equivalent: 200 mA, 250 V, slow blow, 5mm x 20mm package. This part carries comprehensive certifications: CCC, CE, CSA, SEMKO, UL, and VDE.

Q: Do all substitute parts require the same fuse holder as GDC-200MA?

A: All substitute parts maintain the 5mm x 20mm package dimension and require holder mounting type, ensuring compatibility with existing GDC-200MA fuse holders.

Q: Which substitute offers the broadest regulatory compliance?

A: Littelfuse 0218.200HXP and 0218.200MXP carry the most comprehensive approval agency coverage: CCC, CE, CSA, K-MARK, SEMKO, UL, and VDE. Eaton S506 variants (BK/S506-200-R, BK1/S506-200-R, S506-200-R) provide broad coverage with BSI, CCC, CSA, IMQ, SEMKO, UR, and VDE certifications.

Q: Are there temperature operating range differences among substitutes?

A: GDC-200MA does not specify operating temperature range. SCHURTER 0034.3110 and 0034.5610.11 operate -55°C to 125°C. SCHURTER 0034.5036 operates -40°C to 85°C. Littelfuse 0218.200HXP, 0218.200MXP, and 0219.200MXAP operate -55°C to 125°C. Application temperature requirements determine appropriate selection.

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