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Eaton Bussmann BK1S5012R Ceramic Tube Fuse

This is a fast acting ceramic tube fuse with a 250 VAC voltage rating and a 2 Amp current rating, measuring 5x20mm. It features silver-plated endcaps for low resistance and nickel-plated endcaps for higher currents, designed to IEC 60127-2 standards. Suitable for circuit protection, it offers high breaking capacity, axial leads, and various international approvals including UL, CSA, and VDE. This reliable fuse is ideal for quick response in electronic and electrical applications requiring efficient overload protection in a compact size.

Authorized Distributors
Source:Newark
Part No:BK1-S501-2-R
Stock:307
Inv Date:06-11-2026
Price: Unit price: $1.72
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Source:DigiKey
Part No:BK1-S501-2-R
Stock:0
Inv Date:06-11-2026
Price: Unit price: $2.07
Buy/RFQ:
Source:DigiKey
Part No:BK1/S501-2-R
Stock:0
Inv Date:06-11-2026
Price: Unit price: $2.07
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Source:DigiKey
Part No:BK1/S501-2-R
Stock:266
Inv Date:06-11-2026
Price: Unit price: $1.37
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Part No:BK1/S501-2-R
Stock:163
Inv Date:06-12-2026
Price: Unit price: $2.06
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Part No:BK1/S501-2-R
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1.7
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Part No:BK1/S501-2-R
Stock:766
Inv Date:06-11-2026
Price: Unit price: $2.242
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Part No:BK1/S501-2-R
Stock:766
Inv Date:06-11-2026
Price: Unit price: $2.242
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Source:Arrow EU
Part No:BK1-S501-2-R
Stock:7000
Inv Date:06-12-2026
Price: N/A
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Eaton Bussmann BK1S5012R Ceramic Tube Fuse Specifications:

  • Physical Size: 5 x 20 mm
  • Voltage Rating: 250 VAC
  • Current Ratings: 50mA-400mA (silver-plated endcaps); 500mA-10A (nickel-plated endcaps)
  • Endcap Material: Silver-plated, Nickel-plated
  • Design Standard: IEC 60127-2
  • Lead Type: Axial leads, copper tinned wire
  • Lead Diameter: 0.8 mm for ratings above 6.3A
  • Maximum Interrupting Capacity: 1500A at 250VAC
  • Approvals: UL, CSA, VDE, SEMKO, IMQ, CCC, BSI
  • Physical Durability: Meets various international certification requirements
  • Package Options: Cardboard carton, poly bag, or tape reel for automation assembly
  • Application: Circuit protection for electronic and electrical systems.

Buy the Buy Cooper Fast Acting Fuse Part Number BK1S5012R Online

Secure your electronic circuits with the Cooper Ceramic Tube Fuse, rated at 250V and 2A, measuring 5x20mm. Designed for quick response, it features high breaking capacity, axial leads, and complies with international safety standards. Perfect for electronic and electrical devices requiring efficient overload protection. Easy to install in fuse holders, this fuse ensures circuit safety and reliability. Order online today to benefit from fast delivery and ensure your systems are protected against overloads and short circuits effectively.

Buy Cooper BK1S5012R fuse now and experience unmatched reliability and high-speed circuit protection for your electronic systems.

Frequently Asked Questions

Where can I buy Eaton Bussmann BK1S5012R?

You can click on the BUY or RFQ button to purchase BK1S5012R from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part BK1S5012R?

You can download the BK1S5012R datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of BK1S5012R?

Eaton Bussmann

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