myMectronic
myMectronic

A Premier B2B Part Search

Eaton Bussmann S5051R Ceramic Time-Delay Fuse

This is a slow blow, time lag fuse rated for 250 VAC and 1 Amp. It has a cylindrical package measuring 5mm by 20mm and is designed for mounting in a holder. Suitable for applications requiring delayed fuse operation to protect circuits from sustained overcurrent conditions.

Authorized Distributors
Source:Newark
Part No:S505-1-R
Stock:287
Inv Date:06-11-2026
Price: Unit price: $3.32
Buy/RFQ:
Source:Newark
Part No:S505-1-R
Stock:14148
Inv Date:06-11-2026
Price: Unit price: $3.44
Buy/RFQ:
Source:DigiKey
Part No:S505-1-R
Stock:0
Inv Date:06-11-2026
Price: Unit price: $4.13
Buy/RFQ:
Source:DigiKey
Part No:S505-1-R
Stock:927
Inv Date:06-11-2026
Price: Unit price: $3.52
Buy/RFQ:
Part No:S505-1-R
Stock:285
Inv Date:06-12-2026
Price: Unit price: $5.86
Buy/RFQ:
Part No:S505-1-R
Stock:3
Inv Date:06-11-2026
Price: Unit price: $6.97
Buy/RFQ:
Part No:S505-1-R
Stock:927
Inv Date:06-11-2026
Price: Unit price: $4.07
Buy/RFQ:
Part No:S505-1-R
Stock:927
Inv Date:06-11-2026
Price: Unit price: $4.07
Buy/RFQ:
Part No:S505-1-R
Stock:0
Inv Date:06-11-2026
Price: Unit price: $3.56
Buy/RFQ:

Eaton Bussmann S5051R Ceramic Time-Delay Fuse Specifications:

  • Physical Size: 5mm x 20mm cylindrical ceramic tube
  • Rated Voltage: 250 VAC
  • Rated Current: 1 Amp
  • Construction: Ceramic tube with silver-plated endcaps
  • Lead Diameter: 0.81mm (20.20)
  • Lead Length: 19.05mm
  • Endcap Material: Nickel-plated brass
  • Optional Sleeve: Flexible flouropolymer (UL flammability rated W-1)
  • Agency Certifications: UL Recognized, CSA Component Acceptance, SEMKO, VDE, BSI, IMQ, PES+JET, CCC, CQC, JET, KC, BSI
  • Design Standards: IEC 60127-2 compliant
  • Impulse Withstand Voltage: 250 VAC
  • Interrupting Capacity: High breaking capacity for circuit protection
  • Time-Current Range: 0.1s with rated current and voltage ratings
  • Packaging: Options include cartons, poly bags, or tape and reel for automatic placement

Buy the Cooper Bussmann Series S5051R Ceramic Fuse: 5x20mm 1A 250VAC

Purchase the Cooper Bussmann Ceramic Time-Delay Fuse online today and enjoy reliable circuit protection suited for various applications. Designed with high-quality ceramic and silver-plated endcaps, this 5x20mm fuse rated for 250VAC and 1A ensures safety and durability. It features slow blow characteristics, allowing it to handle temporary overloads without failing. Perfect for applications requiring delayed operation to prevent nuisance blowing and protect sensitive electronics. Experience fast shipping and secure checkout—upgrade your electrical assemblies with this essential fuse today.

Get Cooper Bussmann S5051R fuse today—built for precision, delayed circuit protection, and long-lasting durability.

Frequently Asked Questions

Where can I buy Eaton Bussmann S5051R?

You can click on the BUY or RFQ button to purchase S5051R from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part S5051R?

You can download the S5051R datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of S5051R?

Eaton Bussmann

Eaton Bussmann Part List

Browse and search other Eaton Bussmann parts, locate datasheets and stock

Sponsored by