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OptiFuse TSD20A Time-Delay Glass Fuse

This set includes five 20 mm glass body fuses with time-delay functionality, complying with European standards. Rated at 20A, these fuses provide reliable circuit protection for applications requiring delayed response to overcurrent conditions. Designed with a glass body and nickel-plated brass caps, they feature compact dimensions of approximately 0.201 inches by 0.024 inches. Operating within a temperature range of -55°C to +125°C, they are suitable for various electrical systems. These fuses are packaged in boxes of 500 or 1000 pieces, ensuring ample supply for maintenance or manufacturing needs.

Authorized Distributors
Source:DigiKey
Part No:TSD-20A
Stock:7821
Inv Date:06-05-2026
Price: Unit price: $1.05
Buy/RFQ:
Part No:TSD-20A
Stock:95
Inv Date:06-05-2026
Price: Unit price: $1.07
Buy/RFQ:
Part No:TSD-20A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.6346
Buy/RFQ:
Part No:TSD-20A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.6346
Buy/RFQ:

OptiFuse TSD20A Time-Delay Glass Fuse Specifications:

  • Type: Time-Delay Glass Tube Fuse
  • Dimensions: 5x20mm (length x diameter), approximately 0.201 inches by 0.024 inches
  • Material: Glass body, nickel-plated brass caps
  • Rating: 20A, 250V AC (Application dependent)
  • Response: Time-delay (delayed fuse characteristic)
  • Operating Temperature: -55°C to +125°C
  • Lead Wire Diameter: 0.65mm for up to 10A, 0.8mm for 10A–15A, 1.0mm for above 15A
  • Packaging: 500 pieces per box (TSD-P), 1000 pieces per box (TSD)
  • Agency Standards: European standard, suitable for overcurrent protection
  • Warning: For occasional overcurrent protection, avoid prolonged trips or repeated overcurrent conditions

Buy the Optifuse Series Time-Delay Glass Fuse: TSD20A

Purchase the Optifuse TSD20A glass fuse online today to ensure dependable circuit overcurrent protection for your electrical systems. Designed with a robust glass body and nickel-plated brass caps, this 20A fuse offers delayed response for applications requiring tolerant circuit interruption. Compact and easy to install, it is compliant with European standards and suitable for various electrical devices. Stocked in convenient quantities of 500 or 1000 pieces, the TSD20A ensures you always have reliable protection at your fingertips for maintenance or upgrade projects. Shop now for durability and consistent performance.

Get Optifuse TSD20A today—built for reliable circuit protection with delayed response characteristics.

Frequently Asked Questions

Where can I buy OptiFuse TSD20A?

You can click on the BUY or RFQ button to purchase TSD20A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part TSD20A?

You can download the TSD20A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of TSD20A?

OptiFuse

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