C310T-2-R-TR1 Equivalent & Substitute Parts

Part Overview

The C310T-2-R-TR1 is a 2A 250VAC ceramic cartridge fuse with axial through-hole mounting, manufactured by Eaton - Electronics Division. This part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and component procurement.

The C310T-2-R-TR1 serves as a protective device in AC/DC circuits requiring slow-blow response characteristics. Due to its obsolete status, sourcing direct replacements from current production inventory is necessary for system continuity and supply chain reliability.

Substiute Parts

C310T-2-R-TR1

Eaton - Electronics DivisionIn Stock: 1068C310T-2-R-TR1 Datasheet

Current PartRFQ

C310T-SC-2-R-TR1

Eaton - Electronics DivisionIn Stock: 2265C310T-SC-2-R-TR1 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the C310T-2-R-TR1 is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Current Rating: 2 A (exact match required)
• Voltage Rating (AC): 250 V (exact match required)
• Response Time: Slow Blow (exact match required)
• Breaking Capacity @ Rated Voltage: 35 A (exact match required)

Mechanical Equivalence Criteria:

• Fuse Type: Cartridge, Ceramic (exact match required)
• Mounting Type: Through Hole (exact match required)
• Package / Case: Cartridge, Non-Standard (Axial) (exact match required)

Compliance Criteria:

• Approval Agencies must include minimum overlap with original part certifications

The C310T-SC-2-R-TR1 meets all electrical and mechanical equivalence criteria. This substitute maintains identical current rating, voltage rating, response time, and breaking capacity. Both parts are ceramic cartridge fuses with through-hole axial mounting and identical package classification.

Parameter Comparison

Engineering Selection Recommendations

The C310T-SC-2-R-TR1 is the direct substitute for the obsolete C310T-2-R-TR1. Selection is based on the following engineering factors:

Product Status: The C310T-SC-2-R-TR1 is classified as Active, ensuring ongoing availability and supply chain continuity. The original C310T-2-R-TR1 is obsolete and no longer in production.

Electrical Equivalence: Both parts maintain identical electrical specifications: 2A current rating, 250V AC voltage rating, slow-blow response, and 35A breaking capacity. These parameters ensure functional interchangeability in circuit protection applications.

Mechanical Compatibility: Both parts are ceramic cartridge fuses with through-hole axial mounting. Physical dimensions differ slightly (main part: 4.00mm x 11.50mm; substitute: 3.60mm x 10.00mm), but both conform to the non-standard axial cartridge package classification.

Compliance: The C310T-SC-2-R-TR1 carries expanded approval certifications (CQC, cURus, KC, TUV, VDE) compared to the original part (CQC, cURus, KTL, VDE), providing enhanced regulatory coverage. The substitute is RoHS Compliant and REACH Unaffected.

Inventory Status: The C310T-SC-2-R-TR1 has 2200 units in stock, compared to 1018 units of the obsolete main part, ensuring reliable procurement.

Frequently Asked Questions (FAQ)

Q: Can the C310T-SC-2-R-TR1 directly replace the C310T-2-R-TR1 in existing circuits?

A: Yes. Both parts are electrically equivalent with identical current rating (2A), voltage rating (250V AC), response time (slow-blow), and breaking capacity (35A). Both are ceramic cartridge fuses with through-hole axial mounting.

Q: What are the physical dimension differences between these parts?

A: The C310T-2-R-TR1 measures 0.157" Dia x 0.453" L (4.00mm x 11.50mm). The C310T-SC-2-R-TR1 measures 0.142" Dia x 0.394" L (3.60mm x 10.00mm). Both conform to the non-standard axial cartridge package classification. Physical fit in existing fuse holders must be verified for your specific application.

Q: Why is the C310T-2-R-TR1 marked as obsolete?

A: The C310T-2-R-TR1 has been discontinued by Eaton - Electronics Division. The C310T-SC-2-R-TR1 is the active production equivalent and recommended for new designs and ongoing procurement.

Q: Are there compliance differences between these parts?

A: The C310T-SC-2-R-TR1 carries additional certifications (KC, TUV) and is RoHS Compliant and REACH Unaffected. The original part certifications (CQC, cURus, KTL, VDE) are maintained in the substitute.

Q: What is the difference in DC Cold Resistance?

A: The C310T-2-R-TR1 has 30 mOhms DC cold resistance. The C310T-SC-2-R-TR1 has 26.5 mOhms. This minor difference does not affect circuit protection function.

Q: What packaging options are available for the substitute part?

A: The C310T-SC-2-R-TR1 is supplied in Cut Tape (CT) packaging, suitable for automated assembly processes.