Equivalent & Substitute Parts for BK/C515S-1-R

Part Overview

The BK/C515S-1-R is a 1 A, 250 V AC/DC slow-blow glass cartridge fuse in 2AG package format (5mm x 15mm axial). Manufactured by Eaton - Electronics Division, this component is classified as obsolete. Due to its obsolete status, identifying equivalent substitute parts with identical electrical and mechanical specifications is essential for circuit protection applications requiring uninterrupted component availability and design continuity.

Substiute Parts

BK/C515S-1-R

Eaton - Electronics DivisionIn Stock: 965BK/C515S-1-R Datasheet

Current PartRFQ

BK/C515-1-R

Eaton - Electronics DivisionIn Stock: 1331BK/C515-1-R Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BK/C515S-1-R is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Current Rating: 1 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)
• Melting I²t: 14.289 (exact match required)
• DC Cold Resistance: 0.14 Ohms (exact match required)

Mechanical Parameters:

• Fuse Type: Cartridge, Glass (exact match required)
• Package / Case: 2AG, 5mm x 15mm (Axial) (exact match required)
• Mounting Type: Through Hole (exact match required)
• Size / Dimension: 0.217" Dia x 0.598" L (5.50mm x 15.20mm) (exact match required)

Compliance Parameters:

• Approval Agency: CSA, UL (exact match required)

The substitute part BK/C515-1-R meets all electrical, mechanical, and compliance requirements for direct substitution.

Parameter Comparison

Engineering Selection Recommendations

The BK/C515-1-R is the direct parametric equivalent for the obsolete BK/C515S-1-R. Both components are manufactured by Eaton - Electronics Division and share identical electrical, mechanical, and dimensional specifications. The substitute part is currently in active production status, ensuring long-term availability.

The BK/C515-1-R provides additional compliance advantages: it is ROHS3 Compliant and REACH Unaffected, meeting current regulatory requirements for electronic component procurement. Both parts maintain CSA and UL approval certifications, confirming suitability for safety-critical circuit protection applications.

For applications requiring the BK/C515S-1-R, the BK/C515-1-R provides complete functional and physical compatibility without design modification or circuit re-qualification.

Frequently Asked Questions (FAQ)

Q: Can BK/C515-1-R be used as a direct replacement for BK/C515S-1-R?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters: 1 A current rating, 250 V AC voltage rating, slow-blow response time, 2AG package format, 35 A breaking capacity, 14.289 melting I²t, 0.14 Ohms DC cold resistance, and identical physical dimensions. Both carry CSA and UL approvals.

Q: What is the difference between BK/C515S-1-R and BK/C515-1-R?

A: The primary difference is product status: BK/C515S-1-R is obsolete, while BK/C515-1-R is active production. The substitute part also provides ROHS3 compliance and REACH Unaffected status. All electrical and mechanical parameters are identical.

Q: Are there any packaging differences between these parts?

A: The main part (BK/C515S-1-R) is specified with standard packaging, while the substitute (BK/C515-1-R) is supplied in bulk packaging. Both maintain the same 2AG, 5mm x 15mm axial cartridge format and through-hole mounting configuration.

Q: Will BK/C515-1-R fit existing PCB footprints designed for BK/C515S-1-R?

A: Yes. Both parts have identical physical dimensions (0.217" Dia x 0.598" L / 5.50mm x 15.20mm) and through-hole mounting type, ensuring direct mechanical compatibility with existing circuit board designs.

Q: Are both parts certified for the same safety standards?

A: Yes. Both BK/C515S-1-R and BK/C515-1-R carry identical CSA and UL approval certifications, confirming compliance with the same safety and performance standards for circuit protection applications.