SCHURTER 2010.0019 Equivalent & Substitute Parts

Part Overview

The SCHURTER 2010.0019 is a 1.6A 250VAC fuse cartridge in 5x20mm form factor, designed for telecom applications. This part is classified as obsolete, making equivalent substitute parts necessary for ongoing system maintenance and new designs. The cartridge requires a compatible holder for installation and operates across a temperature range of -40°C to 85°C with slow-blow response characteristics.

Substiute Parts

2010.0019

SCHURTER Inc.In Stock: 9372010.0019 Datasheet

Current PartRFQ

0034.3119

SCHURTER Inc.In Stock: 90460034.3119 Datasheet

DirectRFQ

021301.6MXP

Littelfuse Inc.In Stock: 1036021301.6MXP Datasheet

DirectRFQ

021801.6HXP

Littelfuse Inc.In Stock: 1276021801.6HXP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the SCHURTER 2010.0019 is determined by strict equivalence across the following parameters:

• Current Rating: 1.6A (exact match required)
• Voltage Rating: 250VAC (exact match required)
• Package Dimensions: 5mm x 20mm (exact match required)
• Fuse Type: Cartridge configuration (exact match required)
• Response Time: Slow Blow (exact match required)
• Breaking Capacity: 35A @ rated voltage (exact match required)
• Mounting: Requires holder (exact match required)

All identified substitute parts meet these criteria. The primary distinction between substitutes lies in manufacturer identity, product status (active vs. obsolete), operating temperature range, and melting I²t characteristics. These differences do not affect functional interchangeability within the specified electrical and mechanical parameters.

Parameter Comparison

Engineering Selection Recommendations

SCHURTER 0034.3119 is the direct manufacturer equivalent. It maintains identical electrical and mechanical specifications to the original part, including matching melting I²t value of 10.5. This part is currently active in production and carries the same approval agencies (CCC, cURus, PSE/JET, VDE). The extended operating temperature range (-55°C ~ 125°C) provides additional thermal margin compared to the original specification.

Littelfuse 021301.6MXP and Littelfuse 021801.6HXP are functionally equivalent alternatives from an established fuse manufacturer. Both parts meet all electrical and mechanical requirements. Littelfuse 021301.6MXP carries broader international approvals (BSI, CCC, CE, CSA, PSE, SEMKO, UR, VDE) and is suitable for applications requiring expanded certification coverage. Littelfuse 021801.6HXP provides additional certifications including K-MARK and UL approval. The melting I²t values differ between these Littelfuse options (44.2 and 23.35 respectively) and from the original specification (10.5), reflecting different thermal response profiles within the slow-blow classification.

For direct replacement in existing designs, SCHURTER 0034.3119 is the preferred choice due to specification alignment. For new designs or applications requiring expanded certifications, either Littelfuse option is acceptable based on specific approval requirements.

Frequently Asked Questions (FAQ)

Q: Can I use a Littelfuse fuse as a direct replacement for the SCHURTER 2010.0019?

A: Yes. Littelfuse 021301.6MXP and 021801.6HXP are functionally equivalent. All three substitute parts meet identical electrical specifications (1.6A, 250VAC) and mechanical requirements (5x20mm cartridge, 35A breaking capacity, slow-blow response). The parts are mechanically and electrically interchangeable within the same holder.

Q: What is the difference between the melting I²t values shown in the comparison table?

A: Melting I²t is a thermal characteristic that describes the fuse's energy absorption capacity. The original SCHURTER 2010.0019 and SCHURTER 0034.3119 both specify 10.5. The Littelfuse parts specify different values (44.2 for 021301.6MXP and 23.35 for 021801.6HXP). All parts maintain slow-blow response classification and meet the 35A breaking capacity requirement. The I²t difference reflects manufacturer-specific thermal design within the slow-blow category.

Q: Why is the SCHURTER 2010.0019 listed as obsolete?

A: The original part is no longer in active production. SCHURTER 0034.3119 is the current production equivalent from the same manufacturer and is recommended for ongoing applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed parts, including the original SCHURTER 2010.0019, are ROHS3 compliant and REACH unaffected.

Q: Do the substitute parts fit in the same holder as the original?

A: Yes. All parts share identical 5mm x 20mm cartridge dimensions and require the same holder type. Physical installation is identical across all four parts.

Q: Which substitute part should I choose for a new design?

A: For specification alignment with the original design, use SCHURTER 0034.3119. For applications requiring broader international certifications, Littelfuse 021301.6MXP provides the widest approval coverage (BSI, CCC, CE, CSA, PSE, SEMKO, UR, VDE). Littelfuse 021801.6HXP is suitable when K-MARK or UL certification is specifically required.