SCHURTER 7040.3210 Equivalent & Substitute Parts

Part Overview

The SCHURTER 7040.3210 is a 15 A, 32 V AC/DC glass cartridge fuse with a 5mm x 20mm form factor, designed for applications requiring slow-blow response characteristics. This fuse is classified as obsolete and requires a holder for installation. Due to its obsolete product status, identification of equivalent substitute components is necessary to maintain system functionality and ensure continued availability for replacement and new designs.

Substiute Parts

7040.3210

SCHURTER Inc.In Stock: 10577040.3210 Datasheet

Current PartRFQ

0001.2516

SCHURTER Inc.In Stock: 73240001.2516 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SCHURTER 7040.3210 is determined by the following critical parameters:

Form Factor Compatibility: Both the main part and substitute must share the 5mm x 20mm cartridge dimensions to ensure mechanical fit within existing holders.

Mounting Requirement: Both components require a holder for installation, maintaining system integration consistency.

Response Characteristic: Both parts feature slow-blow response time, preserving circuit protection behavior for inrush current tolerance.

Current and Voltage Ratings: The substitute part must accommodate the electrical requirements of the application. The substitute SCHURTER 0001.2516 provides higher current (16 A) and significantly higher voltage ratings (250 V AC / 125 V DC), making it suitable for applications where the original 15 A, 32 V specification is required, as higher-rated components operate safely at lower stress levels.

Cartridge Material: The substitute transitions from glass to ceramic construction, which is an acceptable material upgrade that improves durability and thermal performance without compromising functional compatibility.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: SCHURTER 0001.2516

The SCHURTER 0001.2516 is the designated substitute for the obsolete 7040.3210. This selection is based on the following engineering criteria:

Product Status: The 0001.2516 maintains active product status with current manufacturing and distribution support, ensuring long-term availability for replacement and new design applications.

Regulatory Compliance: The 0001.2516 carries cURus and VDE approvals, providing recognized safety certifications. The part is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Mechanical Compatibility: Both parts share identical 5mm x 20mm form factors and require holder mounting, ensuring direct physical substitution without mechanical redesign.

Electrical Performance: The 0001.2516 provides higher voltage and current ratings (250 V AC / 125 V DC at 16 A) compared to the original specification (32 V AC at 15 A). This rating elevation ensures the substitute operates at lower electrical stress levels when applied to the original circuit requirements, enhancing reliability and safety margins.

Functional Characteristics: Both parts feature slow-blow response time, maintaining consistent circuit protection behavior for applications requiring inrush current tolerance.

Temperature Performance: The 0001.2516 extends the operating temperature range to -55°C ~ 125°C, providing improved thermal performance compared to the original -40°C ~ 70°C specification.

Frequently Asked Questions (FAQ)

Q: Can the SCHURTER 0001.2516 be used as a direct replacement for the 7040.3210?

A: Yes. Both parts share the 5mm x 20mm cartridge form factor, require holder mounting, and feature slow-blow response characteristics. The 0001.2516 provides higher electrical ratings, making it suitable for applications originally designed for the 15 A, 32 V specification.

Q: What is the difference between glass and ceramic cartridge construction?

A: The main part uses glass construction, while the substitute uses ceramic construction. Ceramic cartridges offer improved thermal stability and durability. Both materials are standard in fuse cartridge design and function identically in holder-based applications.

Q: Why does the substitute have higher voltage and current ratings?

A: The 0001.2516 is rated for 250 V AC / 125 V DC at 16 A, compared to the original 32 V AC at 15 A. Higher-rated components operate at lower electrical stress when applied to lower-voltage circuits, improving reliability and safety margins without affecting circuit protection function.

Q: Are there any compatibility issues with existing fuse holders?

A: No. Both the 7040.3210 and 0001.2516 use the standard 5mm x 20mm cartridge form factor and require holder mounting. The substitute is mechanically compatible with holders designed for the original part.

Q: What certifications does the substitute part carry?

A: The SCHURTER 0001.2516 carries cURus and VDE approvals, is ROHS3 compliant, and is REACH unaffected. The original 7040.3210 does not specify approval agencies.

Q: How do the melting I²t values differ between the parts?

A: The 7040.3210 has a melting I²t of 3400, while the 0001.2516 has a melting I²t of 1500. The lower I²t value of the substitute indicates faster thermal response at higher current levels, which is consistent with its higher current rating and ceramic construction.

Q: What is the inventory status of these parts?

A: The original 7040.3210 is obsolete with 1026 pieces in stock. The substitute 0001.2516 is active with 7308 pieces in stock, ensuring continued availability for new orders and replacements.