0FLA6.25T

0FLA6.25T Application Field and Working Principle

Electrical, Specialty Fuses

A 0FLA6.25T fuse is a low voltage DC power fuse with the added capability of low current inrush protection. It is primarily used in automotive electronics, in particular, light-emitting diode (LED) headlamps and other LED lighting applications. It is designed to protect against an overcurrent event, while providing a current limit inrush for the LED start up. This enables the LED driver to start up with minimal current distortion.

The 0FLA6.25T fuse consists of a wire pass filament inside a cylindrical outer casing with positive and negative leads. It is designed to fit into a fuse housing with a standard 6.25mm diameter. There is a metallized sleeve around the lead wires that serves as the connection point with the fuse holder. The fuse will open if an overcurrent passes through the filament and disrupts the electrical circuit.

The working principle for the 0FLA6.25T fuse is simple: the wire pass filament inside the casing will “blow” if an overcurrent passes through it during an overcurrent event. This will create a break in the circuit and protect the circuit from further damage. It is designed to protect up to 480V, with a peak current limited to 6A and a maximum continuous current limit of 1.5A. It has a low inrush capability of 0.25A.

The 0FLA6.25T is the perfect choice for automotive applications due to its low inrush protection that limits the current surge on start up, preventing damage to related electronics, and its ability to differentiate between normal start up and fault conditions. The metallized sleeve provides additional safety features, helping to prevent human contact with live terminals.

In conclusion, the 0FLA6.25T is a low voltage DC power fuse that offers superior inrush protection, current limiting capabilities, and an ability to accurately differentiate between normal start up and fault conditions. Its 6.25mm diameter and metallized sleeve make it perfect for automotive electronics applications as it can effectively protect while minimizing current distortion. The 0FLA6.25T fuse is an essential tool for automotive engineers and designers.