SCHURTER 0034.1515 Equivalent & Substitute Parts

Part Overview

The SCHURTER 0034.1515 is an 800 mA, 250 V AC/DC fast-blow glass cartridge fuse in 5mm x 20mm form factor. This component is classified as Active product status and requires a fuse holder for installation. Equivalent and substitute parts are necessary when the primary manufacturer part becomes unavailable, when supply chain optimization is required, or when design flexibility across approved alternatives is needed for production planning.

Key Parameters

Parameter	Value
Current Rating	800 mA
Voltage Rating (AC)	250 V
Fuse Type	Cartridge, Glass
Response Time	Fast Blow
Package / Case	5mm x 20mm
Mounting Type	Requires Holder
Breaking Capacity @ Rated Voltage	35A
Operating Temperature Range	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment with the following electrical and mechanical parameters:

Current Rating: 800 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 (exact match required)
Mounting Type: Requires Holder (exact match required)

Parts are classified into two categories:

Direct Substitutes meet all core parameters with identical electrical and mechanical specifications. These parts are interchangeable without design modification.

Similar Substitutes meet all core parameters but may exhibit variations in secondary characteristics such as melting I²t, breaking capacity, DC cold resistance, or approval agency certifications. These parts are functionally equivalent for the specified electrical requirements but may require verification of application-specific performance criteria.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Current Rating (mA)	Voltage (V AC)	Response Time	Package	Breaking Capacity (A)	Melting I²t	DC Cold Resistance (Ω)	Approval Agencies
0034.1515	SCHURTER Inc.	800	250	Fast Blow	5x20mm	35	0.508	—	CCC, cURus, VDE
0217.800HXP	Littelfuse Inc.	800	250	Fast Blow	5x20mm	35	0.85	0.1203	CCC, CE, CSA, K-MARK, SEMKO, UL, VDE
0217.800MXP	Littelfuse Inc.	800	250	Fast Blow	5x20mm	35	0.85	0.1203	CCC, CE, CSA, K-MARK, SEMKO, UL, VDE
5SF 800-R	Bel Fuse Inc.	800	250	Fast Blow	5x20mm	35	1	0.112	CCC, CE, CSA, cURus, IMQ, PSE, SEMKO, VDE
BK/S500-800-R	Eaton - Electronics Division	800	250	Fast Blow	5x20mm	35	0.67	0.14	BSI, CCC, CSA, cULus, IMQ, SEMKO, VDE
5MF 800-R	Bel Fuse Inc.	800	250	Fast Blow	5x20mm	200	0.4	0.243	CE, CSA, cULus
BK/GDB-800MA	Eaton - Electronics Division	800	250	Fast Blow	5x20mm	35	0.67	0.14	UL, VDE
BK/GMA-800-R	Eaton - Electronics Division	800	250	Fast Blow	5x20mm	35	0.7	0.17	CSA, PSE, UL
BK1/S500-800-R	Eaton - Electronics Division	800	250	Fast Blow	5x20mm	35	0.67	0.14	BSI, CCC, CSA, cULus, IMQ, SEMKO, VDE
GDB-800MA	Eaton - Electronics Division	800	250	Fast Blow	5x20mm	35	0.67	0.14	VDE, UR
GMA-800-R	Eaton - Electronics Division	800	250	Fast Blow	5x20mm	35	0.7	0.17	CSA, PSE, UL

Engineering Selection Recommendations

Direct Substitutes (Littelfuse 0217 Series)

The Littelfuse 0217.800HXP and 0217.800MXP are direct electrical and mechanical equivalents to the SCHURTER 0034.1515. Both parts maintain identical current rating, voltage rating, response time, and package dimensions. The Littelfuse parts carry expanded approval agency certifications including CE, K-MARK, and UL in addition to CCC, CSA, and VDE. Product status is Active for both alternatives. These parts are suitable for direct substitution in applications requiring compliance with international standards.

Primary Similar Substitutes (Eaton S500 Series)

The BK/S500-800-R and BK1/S500-800-R from Eaton maintain all core electrical and mechanical parameters. Both are Active status products with comprehensive approval agency coverage including BSI, CCC, CSA, cULus, IMQ, and SEMKO. The melting I²t value of 0.67 differs from the SCHURTER reference value of 0.508, representing a slower thermal response characteristic. These parts are suitable for applications where the Eaton thermal profile is acceptable.

Secondary Similar Substitutes (Bel Fuse 5SF Series)

The Bel Fuse 5SF 800-R meets all core parameters with Active product status. This part carries approval from CCC, CE, CSA, cURus, IMQ, PSE, SEMKO, and VDE. The melting I²t of 1.0 represents the slowest thermal response among all listed alternatives. This part is suitable for applications where extended thermal response is acceptable.

Limited Approval Alternatives (Eaton GDB/GMA Series)

The BK/GDB-800MA, BK/GMA-800-R, GDB-800MA, and GMA-800-R meet all core electrical and mechanical parameters but carry restricted approval agency certifications. The GDB variants are approved only by UL and VDE. The GMA variants are approved only by CSA, PSE, and UL. These parts are suitable only for applications where the specified approval agencies satisfy regulatory requirements.

Non-Recommended Alternative (Bel Fuse 5MF Series)

The 5MF 800-R exhibits a breaking capacity of 200A, which exceeds the 35A specification of the SCHURTER reference part. While all other core parameters align, this elevated breaking capacity represents a significant deviation from the reference design specification and is not recommended for direct substitution.

Frequently Asked Questions (FAQ)

Q: Can I substitute the SCHURTER 0034.1515 with any of the listed parts?

A: Substitution depends on your application requirements. All listed parts except the 5MF 800-R meet the core electrical and mechanical parameters (800 mA, 250 V AC, fast-blow, 5x20mm). However, approval agency certifications vary. Verify that the substitute part carries certifications required by your application's regulatory framework.

Q: What is the difference between Direct Substitutes and Similar Substitutes?

A: Direct Substitutes (Littelfuse 0217 series) are electrically and mechanically identical to the SCHURTER reference part. Similar Substitutes meet all core parameters but exhibit variations in secondary characteristics such as melting I²t or breaking capacity. These variations may affect thermal response time or fault-clearing behavior in specific circuit conditions.

Q: Why does the 5MF 800-R have a 200A breaking capacity instead of 35A?

A: The 5MF 800-R is designed for applications requiring higher fault-current interruption capability. This elevated breaking capacity represents a different design specification and is not interchangeable with the SCHURTER 0034.1515 in circuits designed for 35A breaking capacity.

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

A: The Littelfuse 0217.800HXP and 0217.800MXP carry the most comprehensive approval certifications: CCC, CE, CSA, K-MARK, SEMKO, UL, and VDE. These parts are suitable for applications requiring compliance across multiple international regulatory standards.

Q: Are all substitute parts currently in stock?

A: All listed substitute parts are documented as Active product status with inventory availability. Specific stock quantities vary by manufacturer and distributor. Verify current availability with your component supplier before finalizing procurement decisions.

Q: What does melting I²t indicate, and why does it vary among substitutes?

A: Melting I²t is a thermal characteristic that indicates the fuse element's response to overcurrent conditions. Lower values indicate faster thermal response; higher values indicate slower response. The SCHURTER reference part has a melting I²t of 0.508, while substitutes range from 0.4 to 1.0. Select a substitute whose thermal response aligns with your circuit protection requirements.

Q: Can I use the Eaton GDB or GMA series if my application only requires UL certification?

A: Yes, if your application requires only UL certification, the Eaton GDB and GMA series are suitable alternatives. However, verify that no other regulatory certifications are mandated by your design specifications or regional requirements before proceeding with substitution.

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