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OptiFuse TSD4A Glass Time-Delay Fuse

A pack of five 20 mm glass-body time delay fuses, complying with European standards. Each fuse is rated at 4A, designed for reliable overcurrent protection with a delay feature suitable for various circuit applications. Constructed with a glass body and nickel-plated brass caps, these fuses operate reliably within -55°C to +125°C. Available in packaging of 500 or 1000 pieces per box, they feature lead wires suitable for circuits up to 15A, ensuring durability and safety in overcurrent conditions. Ideal for protecting electronic and electrical devices.

Authorized Distributors
Source:DigiKey
Part No:TSD-4A
Stock:2106
Inv Date:06-05-2026
Price: Unit price: $0.97
Buy/RFQ:
Part No:TSD-4A
Stock:48
Inv Date:06-05-2026
Price: Unit price: $0.31
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Part No:TSD-4A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.5846
Buy/RFQ:
Part No:TSD-4A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.5846
Buy/RFQ:

OptiFuse TSD4A Glass Time-Delay Fuse Specifications:

  • Material: Glass body with Nickel plated brass caps
  • Size: 5x20mm (0.201x0.79 inches)
  • Current Rating: 4A
  • Operating Temperature Range: -55°C to +125°C
  • Lead Wire Diameter: @0.8mm for 10A to 15A circuits
  • Voltage Rating: Not specified but suitable for typical circuits up to 125V
  • Packaging: 500 pcs per box for TSD-P, 1000 pcs for TSD
  • Standards: Complies with European safety standards
  • Application: Overcurrent protection in electronic and electrical devices
  • Time-Delay: Yes, suitable for applications requiring delayed fuse operation

Buy the Optifuse Series TSDF 4A Glass Time-Delay Fuse: TSD4A

Purchase your Optifuse Series TSD4A glass delay fuse online today and benefit from reliable overcurrent protection. Perfect for electronic and electrical applications, these 5x20mm fuses are designed with a durable glass body and nickel-plated brass caps. Suitable for circuits up to 15A and operating between -55°C to +125°C, they provide dependable delay characteristics and come in packaging of 500 or 1000 pieces. Enhance your project safety and efficiency by ordering now from our trusted online store for fast delivery and competitive prices.

Order your Optifuse Series TSD4A glass delay fuse today and ensure reliable overcurrent protection with outstanding durability for your electronic circuits.

Frequently Asked Questions

Where can I buy OptiFuse TSD4A?

You can click on the BUY or RFQ button to purchase TSD4A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part TSD4A?

You can download the TSD4A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of TSD4A?

OptiFuse

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