SCHURTER 2010.0011 Equivalent & Substitute Parts

Part Overview

The SCHURTER 2010.0011 is a 250 mA, 250 V AC/DC slow-blow glass cartridge fuse in 5mm x 20mm form factor, designed for use with fuse holders. This part is classified as obsolete, making identification of suitable alternatives essential for ongoing system maintenance and new designs. Equivalent and substitute parts maintain the same electrical ratings, mechanical dimensions, and functional performance while offering active product status and expanded availability.

Key Parameters

Parameter	Value
Current Rating	250 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
Operating Temperature Range	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters:

Current Rating: 250 mA (exact match required)
Voltage Rating (AC): 250 V (exact match required)
Fuse Type: Cartridge, Glass (exact match required)
Response Time: Slow 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 meet these core electrical and mechanical criteria. Variations in melting I²t, operating temperature range, approval agencies, and DC cold resistance are permitted within the scope of functional equivalence, as these parameters do not affect basic circuit protection performance in standard applications.

Parameter Comparison

Part Number	Manufacturer	Series	Current Rating	Voltage (AC)	Response Time	Package	Breaking Capacity	Melting I²t	Operating Temp	Product Status	Approvals
2010.0011	SCHURTER Inc.	FSU 5x20	250 mA	250 V	Slow Blow	5x20mm	35A	0.238	-40°C ~ 85°C	Obsolete	CCC, cURus, PSE/JET, VDE
0034.3111	SCHURTER Inc.	FST 5x20	250 mA	250 V	Slow Blow	5x20mm	35A	0.238	-55°C ~ 125°C	Active	CCC, cURus, VDE
0034.3768	SCHURTER Inc.	FSL 5x20	250 mA	250 V	Slow Blow	5x20mm	35A	0.29	-40°C ~ 85°C	Active	cULus
0034.5037	SCHURTER Inc.	FTT 5x20	250 mA	250 V	Slow Blow	5x20mm	35A	2.53	-40°C ~ 85°C	Active	cURus
0213.250MXP	Littelfuse Inc.	213	250 mA	250 V	Slow Blow	5x20mm	35A	0.555	-55°C ~ 125°C	Active	BSI, CCC, CE, CSA, SEMKO, UR, VDE
BK1/GMD-250-R	Eaton - Electronics Division	GMD	250 mA	250 V	Slow Blow	5x20mm	35A	0.4	Not Specified	Active	CSA, UL

Engineering Selection Recommendations

All listed substitute parts are electrically and mechanically equivalent to the SCHURTER 2010.0011 and are suitable for direct replacement in circuit protection applications requiring 250 mA, 250 V slow-blow fuse cartridges in 5mm x 20mm form factor.

SCHURTER 0034.3111 is recommended as the primary substitute, offering active product status, identical melting I²t (0.238), expanded operating temperature range (-55°C ~ 125°C), and multi-agency approvals (CCC, cURus, VDE).

SCHURTER 0034.3768 and 0034.5037 provide alternative SCHURTER options with active status and maintained electrical specifications. Selection between these variants depends on specific application requirements regarding melting I²t tolerance and approval agency requirements.

Littelfuse 0213.250MXP offers cross-manufacturer equivalence with the broadest approval coverage (BSI, CCC, CE, CSA, SEMKO, UR, VDE) and extended operating temperature range (-55°C ~ 125°C), suitable for applications requiring multi-regional compliance.

Eaton BK1/GMD-250-R provides an alternative from a major industrial manufacturer with active product status and CSA/UL approvals, appropriate for North American applications.

Frequently Asked Questions (FAQ)

Q: Can SCHURTER 0034.3111 be used as a direct replacement for the obsolete 2010.0011?

A: Yes. Both parts share identical current rating (250 mA), voltage rating (250 V AC), response time (slow blow), package dimensions (5mm x 20mm), and breaking capacity (35A). The 0034.3111 has active product status and expanded operating temperature range (-55°C ~ 125°C vs. -40°C ~ 85°C).

Q: What is the significance of different melting I²t values among the substitute parts?

A: Melting I²t indicates the thermal energy required to melt the fuse element. Variations (0.238 to 2.53) reflect different fuse element designs within the same current and voltage rating. All listed parts maintain the 250 mA current rating and slow-blow response characteristic. Selection should be based on application-specific thermal requirements and approval agency compliance.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 Compliant status, meeting environmental and material restriction requirements.

Q: Which substitute part has the broadest international approval coverage?

A: Littelfuse 0213.250MXP carries approvals from BSI, CCC, CE, CSA, SEMKO, UR, and VDE, providing the most comprehensive multi-regional compliance certification.

Q: Can I use the Eaton BK1/GMD-250-R in applications requiring PSE/JET certification?

A: The Eaton part carries CSA and UL approvals. If PSE/JET certification is a mandatory requirement, select SCHURTER 0034.3111 (CCC, cURus, VDE) or Littelfuse 0213.250MXP (CCC, CE, CSA, SEMKO, UR, VDE) instead.

Q: Are these parts interchangeable in the same fuse holder?

A: Yes. All substitute parts maintain the identical 5mm x 20mm package dimensions and require holder mounting, ensuring mechanical compatibility with existing fuse holder installations.

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