SCHURTER 7010.2220 Equivalent & Substitute Parts

Part Overview

The SCHURTER 7010.2220 is a 500 mA, 125 V AC/DC fast-blow glass cartridge fuse requiring a holder for installation. This component is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and new design implementations. The part operates across a temperature range of -40°C to 70°C and meets ROHS3 compliance requirements.

Substiute Parts

7010.2220

SCHURTER Inc.In Stock: 7447010.2220 Datasheet

Current PartRFQ

FSE-500MA

OptiFuseIn Stock: 4362FSE-500MA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SCHURTER 7010.2220 is determined by the following critical parameters:

Current Rating: 500 mA (must match exactly) Fuse Type: Cartridge, Glass (must match) Response Time: Fast Blow (must match) Voltage Rating - AC: Minimum 125 V (equal or higher acceptable) Mounting Type: Requires Holder (must match)

The OptiFuse FSE-500MA meets all substitution criteria. While it operates at 250 V AC (higher than the 125 V requirement), this represents an acceptable upgrade in voltage capability. The FSE-500MA maintains identical current rating, fuse type, response time, and mounting requirements. Physical dimensions differ slightly (0.177" Dia x 0.591" L versus 0.185" Dia x 0.630" L), requiring verification of holder compatibility before implementation.

Parameter Comparison

Engineering Selection Recommendations

The OptiFuse FSE-500MA is the designated substitute for the obsolete SCHURTER 7010.2220. Selection is based on:

Functional equivalence across all critical electrical parameters (current rating, voltage capability, response time, and fuse type) Active product status ensuring ongoing availability and supply chain continuity Enhanced compliance certifications (cULus, UL 248) providing additional regulatory assurance Improved operating temperature range (-55°C ~ 125°C) extending environmental capability Higher breaking capacity (100A) and melting I²t (0.109) providing superior fault protection

Physical dimension differences require holder compatibility assessment. The FSE-500MA operates at 250 V AC, which exceeds the original 125 V specification and is acceptable for direct substitution in circuits designed for the SCHURTER component.

Frequently Asked Questions (FAQ)

Q: Can the OptiFuse FSE-500MA directly replace the SCHURTER 7010.2220 in existing designs?

A: The FSE-500MA meets all electrical substitution criteria. Physical dimensions differ slightly, requiring confirmation that the existing fuse holder accommodates the 2AG package format (5mm x 15mm) before implementation.

Q: Why is the FSE-500MA rated for 250 V AC when the original part is 125 V AC?

A: Higher voltage rating represents an upgrade in capability. A 250 V-rated fuse functions correctly in 125 V circuits and provides enhanced protection margins. This is a standard substitution practice in fuse selection.

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

A: The FSE-500MA has a melting I²t of 0.109 compared to 0.079 for the SCHURTER part. This indicates slightly different thermal response characteristics. Both maintain the fast-blow classification and 500 mA current rating, making them functionally equivalent for circuit protection purposes.

Q: Are there compliance differences between these parts?

A: The FSE-500MA carries cULus and UL 248 certifications, providing recognized regulatory approval. The SCHURTER 7010.2220 approval agency information is not specified. Both parts meet ROHS3 compliance requirements.

Q: What should be verified before implementing the FSE-500MA substitute?

A: Confirm that the existing fuse holder is compatible with the 2AG package format (5mm x 15mm diameter and 15mm length). Verify that the 250 V AC rating is acceptable for the circuit application. Confirm that the melting I²t and breaking capacity characteristics are suitable for the protected circuit.