C090.668 Equivalent & Substitute Parts

Part Overview

The C090.668 is a 6.3 A AC DC fuse cartridge with glass construction, manufactured by SCHURTER Inc. in the D1TD series. This component requires a holder for installation and operates with a slow blow response time in a 5mm x 20mm package format. The part is classified as obsolete, necessitating identification of active equivalent and substitute components for ongoing system support and new designs.

Substiute Parts

C090.668

SCHURTER Inc.In Stock: 990C090.668 Datasheet

Current PartRFQ

0001.2512

SCHURTER Inc.In Stock: 65280001.2512 Datasheet

SimilarRFQ

2726104

Phoenix ContactIn Stock: 9842726104 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the C090.668 is determined by the following critical parameters: current rating of 6.3 A, cartridge construction format, 5mm x 20mm physical dimensions, slow blow response characteristic, and holder-based mounting requirement. Two substitute parts meet these core criteria through different material compositions and electrical specifications.

The substitutes are grouped into two categories:

Category 1: Ceramic Cartridge Substitute – Part 0001.2512 maintains the 6.3 A current rating and 5mm x 20mm package while upgrading to ceramic construction with defined voltage ratings (250 V AC, 150 V DC) and active product status.

Category 2: Glass Cartridge Equivalent – Part 2726104 provides direct material and dimensional equivalence to the original C090.668 with identical glass construction and 5mm x 20mm package, manufactured by Phoenix Contact with active product status.

Parameter Comparison

Engineering Selection Recommendations

For direct replacement with identical construction: Part 2726104 (Phoenix Contact) provides a glass cartridge fuse with matching 6.3 A rating, 5mm x 20mm dimensions, and slow blow response. This part maintains material equivalence to the obsolete C090.668 and carries active product status with RoHS compliance.

For enhanced electrical specification: Part 0001.2512 (SCHURTER Inc., ceramic) offers the same 6.3 A current rating and 5mm x 20mm package with defined voltage ratings (250 V AC, 150 V DC), breaking capacity of 1.5kA, and comprehensive approval certifications (CCC, cURus, KC, PSE/JET, VDE). The ceramic construction provides different electrical characteristics than the glass original. This part is active and ROHS3 compliant with specified operating temperature range of -55°C to 125°C.

Both substitutes are available in active product status, addressing the obsolescence of the original C090.668. Selection between them depends on system voltage requirements and material compatibility specifications.

Frequently Asked Questions (FAQ)

Q: Can part 2726104 be used as a direct replacement for C090.668?

A: Yes. Part 2726104 matches the critical substitution parameters: 6.3 A current rating, glass cartridge construction, 5mm x 20mm package dimensions, slow blow response time, and holder-based mounting. Both parts are identical in these specifications.

Q: What is the primary difference between the ceramic substitute (0001.2512) and the glass equivalent (2726104)?

A: The primary difference is material construction. Part 0001.2512 uses ceramic construction with specified voltage ratings (250 V AC, 150 V DC) and breaking capacity (1.5kA), while part 2726104 uses glass construction matching the original C090.668. Both maintain the 6.3 A current rating and 5mm x 20mm package.

Q: Are there dimensional compatibility concerns with the ceramic substitute?

A: Part 0001.2512 has a diameter of 0.205" (5.20mm) compared to 0.197" (5.00mm) for the original and glass equivalent. This 0.20mm difference may affect fit in some holder designs. Verify holder specifications before selection.

Q: What compliance certifications apply to each substitute?

A: Part 0001.2512 carries certifications from CCC, cURus, KC, PSE/JET, and VDE with ROHS3 compliance. Part 2726104 carries RoHS compliance. The original C090.668 has no specified approval agencies listed.

Q: Is the 5mm x 20mm package format standardized across all three parts?

A: Yes. All three parts use the 5mm x 20mm cartridge package format and require a holder for installation. This ensures mechanical compatibility in existing holder assemblies.

Q: Which substitute should be selected for new designs?

A: Both active substitutes are suitable for new designs. Part 2726104 provides material continuity with the original glass construction. Part 0001.2512 provides enhanced electrical specifications with defined voltage ratings and breaking capacity, suitable for applications requiring these parameters.