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Eaton Bussmann BKS505125R Time-Delay Ceramic Fuse

This high-breaking capacity time-delay fuse offers reliable circuit protection with 250VAC voltage rating and a 1.25A current rating. Its ceramic tube construction with silver-plated endcaps ensures durability and consistent performance. The fuse features a 5x20mm package size and optional axial leads with copper tinned wire and nickel-plated brass overcaps, making it versatile for various electrical applications. Certified by UL, CSA, VDE, and other standards, it is suitable for use in protected electrical systems and provides a robust solution for controlling circuit overloads with a time-delay feature that accommodates temporary surges.

Authorized Distributors
Source:Newark
Part No:BK/S505-1.25-R
Stock:649
Inv Date:06-11-2026
Price: Unit price: $6.91
Buy/RFQ:
Source:DigiKey
Part No:BK-S505-1-25-R
Stock:77
Inv Date:06-11-2026
Price: Unit price: $2.05
Buy/RFQ:
Source:DigiKey
Part No:BK/S505-1.25-R
Stock:77
Inv Date:06-11-2026
Price: Unit price: $2.05
Buy/RFQ:
Part No:BK-S505-1-25-R
Stock:0
Inv Date:06-12-2026
Price: N/A
Buy/RFQ:
Part No:BK/S505-1.25-R
Stock:0
Inv Date:06-11-2026
Price: Unit price: $6.71
Buy/RFQ:
Part No:BK/S505-1.25-R
Stock:649
Inv Date:06-11-2026
Price: Unit price: $3.76
Buy/RFQ:
Part No:BK/S505-1.25-R
Stock:649
Inv Date:06-11-2026
Price: Unit price: $3.76
Buy/RFQ:

Eaton Bussmann BKS505125R Time-Delay Ceramic Fuse Specifications:

  • Voltage Rating: 250VAC
  • Current Rating: 1.25A
  • Physical Size: 5x20mm
  • Construction: Ceramic tube with silver-plated endcaps
  • Optional Leads: Axial copper tinned wire with nickel-plated brass overcaps
  • Certifications: UL Recognized, CSA, VDE, SEMKO, BSI, IMQ, PESWET, CCC, EK
  • Lead Wire Length: 19.05mm for optional axial leads
  • Interrupting Rating: 1500A
  • Resistance @ Rated Current: 0.1075 ohms
  • Typical Pre-Arching Time: 80ms at 1.25A
  • Compatibility: IEC 60127-2 extension up to 12A
  • Application: Suitable for circuit protection in electrical systems requiring high capacity and time-delay features

Buy the Cooper Bussmann Series 505 Fuse: 1.25A 250VAC Ceramic Tube

Explore the seamless online purchase of the Cooper Bussmann 505 fuse, a dependable 1.25A, 250VAC ceramic time-delay fuse. Its durable construction ensures consistent circuit protection, making it ideal for various electrical applications. Featuring a compact 5x20mm size, optional axial leads, and certified to meet UL, CSA, and other standards, this fuse provides high interrupting capacity for overload conditions. Purchase online today and ensure your electrical system's safety with this high-quality fuse designed for reliable performance and easy installation.

Buy Cooper Bussmann 505 fuse rated at 1.25A 250VAC now and experience unmatched reliability and performance in your circuit protection solutions.

Frequently Asked Questions

Where can I buy Eaton Bussmann BKS505125R?

You can click on the BUY or RFQ button to purchase BKS505125R from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part BKS505125R?

You can download the BKS505125R datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of BKS505125R?

Eaton Bussmann

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