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Eaton Bussmann BKS5004R Fast-Acting Glass Tube Fuse

This fast-acting fuse has a voltage rating of 250 VAC and a current rating of 4 Amps. It features a cylindrical package with dimensions of 5.20mm by 20.00mm and is designed for mounting in a holder. The fuse is constructed with a glass tube and silver-plated or nickel-plated endcaps, compliant with IEC 60127-2 standards. It provides reliable overcurrent protection for various electrical applications, with electrical characteristics suitable for industrial and consumer electronics, ensuring safety and durability under normal operating conditions.

Authorized Distributors
Source:Newark
Part No:BK/S500-4-R
Stock:436
Inv Date:06-11-2026
Price: Unit price: $0.468
Buy/RFQ:
Source:DigiKey
Part No:BK-S500-4-R
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.48
Buy/RFQ:
Source:DigiKey
Part No:BK/S500-4-R
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.48
Buy/RFQ:
Source:DigiKey
Part No:BK/S500-4-R
Stock:1830
Inv Date:06-11-2026
Price: Unit price: $0.208
Buy/RFQ:
Part No:BK/S500-4-R
Stock:473
Inv Date:06-12-2026
Price: Unit price: $0.47
Buy/RFQ:
Part No:BK/S500-4-R
Stock:694
Inv Date:06-11-2026
Price: Unit price: $0.47
Buy/RFQ:
Part No:BK/S500-4-R
Stock:1830
Inv Date:06-11-2026
Price: Unit price: $2.7
Buy/RFQ:
Part No:BK/S500-4-R
Stock:1830
Inv Date:06-11-2026
Price: Unit price: $2.7
Buy/RFQ:
Part No:BK/S500-4-R
Stock:52
Inv Date:06-12-2026
Price: N/A
Buy/RFQ:

Eaton Bussmann BKS5004R Fast-Acting Glass Tube Fuse Specifications:

  • Voltage Rating: 250 VAC
  • Current Rating: 4 Amps
  • Physical Size: 5 x 20mm
  • Body Material: Glass tube
  • End Cap Material: Silver-plated or nickel-plated
  • Compliance: IEC 60127-2
  • Package Type: Cylindrical
  • Lead Option: Axial leads available with 19.05mm length
  • Agency Approvals: cULus, CSA, CCC, VDE, SEMKO, BSI, IMQ
  • Maximum Interrupting Rating: 35A at 250V
  • Typical Cold Resistance: 0.014 ohms
  • Fuse Melting Point: Corresponds to rated current and voltage
  • Lead Diameter: 0.8mm for ratings above 6.3A
  • Packaging: BK (carton), BK1i (poly bag), TR2 (tape reel)
  • Compliance Certificates: UL Listed, CSA Certified, others
  • Application: Overcurrent protection for electronic and electrical equipment

Buy the Bussmann 5004R – Reliable Overcurrent Protection for Industrial Applications

Get your Bussmann 5004R fast-acting fuse online today for reliable circuit protection. Featuring a 250 VAC voltage rating, 4A current capacity, and 5x20mm size, this fuse is ideal for electronics, industrial, and consumer applications. Its glass body and plated endcaps provide durability and efficient performance. The fuse meets IEC standards and holds all necessary certifications for safety and compliance. Purchase now for quick delivery and enhance the safety and reliability of your electrical systems.

Order your Bussmann 5004R series 4A fast-acting fuse today and ensure your electrical projects benefit from dependable and quick overcurrent protection.

Frequently Asked Questions

Where can I buy Eaton Bussmann BKS5004R?

You can click on the BUY or RFQ button to purchase BKS5004R from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part BKS5004R?

You can download the BKS5004R datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of BKS5004R?

Eaton Bussmann

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