SIBA 5mm x 20mm Ceramic Slow Blow Fuse 125mA 250V

The SIBA 5mm x 20mm Ceramic Slow Blow Fuse is a reliable time-delay fuse designed to protect electrical circuits from overcurrent while tolerating temporary inrush currents. With a current rating of 125mA and a voltage rating of 250V AC, this fuse is suitable for a wide range of electronic and electrical applications.

Featuring a ceramic body and a 5mm x 20mm standard metric size (also available in imperial as 0.2” x 0.79”), this fuse offers robust performance and durability. The time-delay (slow blow) characteristic ensures that the fuse does not trip prematurely during harmless power surges or motor start-ups, making it ideal for circuits with capacitive or inductive loads.

This fuse has a breaking capacity of 1.5kA AC, providing reliable interruption under fault conditions. The SIBA product range (179200) ensures consistent quality and compatibility with standard fuse holders. Its compact dimensions make it easy to install in various fuse blocks, panel mounts, and equipment.

Key Features

• Ceramic construction for high-temperature stability
• Time-delay (slow blow) characteristic
• Rated current: 125mA
• Voltage rating: 250V AC
• Breaking capacity: 1.5kA AC
• Standard 5mm x 20mm size

Physical Dimensions

• Height: 43mm (packaging)
• Width: 33mm (packaging)
• Depth: 15mm (packaging)
• Weight: 0.9 grams (nominal)

This fuse is a dependable choice for protecting sensitive electronic components, power supplies, and industrial control circuits. Its slow-blow action minimizes nuisance tripping, ensuring uninterrupted operation of your equipment while maintaining safety.