The farad (F) is actually considered a large unit when it comes to measuring capacitance, which is the ability of a component to store an electrical charge. The reason why the farad is considered large is because most common electrical and electronic devices have capacitances that are much smaller than a farad.
To put it into perspective, one farad is a very large capacitance value. In practical applications, capacitors used in everyday electronic devices such as smartphones, computers, or household appliances typically have capacitances ranging from picofarads (10^(-12) F) to microfarads (10^(-6) F). For example, a typical capacitor in a smartphone might have a capacitance of around 1 microfarad (1 μF), which is one million times smaller than a farad.
Capacitors with capacitances on the order of farads are generally used in specialized applications, such as energy storage systems, power electronics, and some large-scale electrical systems. For instance, supercapacitors, which are designed to store and release large amounts of electrical energy quickly, can have capacitances in the range of farads. These capacitors are used in hybrid or electric vehicles, renewable energy systems, and other high-power applications.
So, while the farad is considered a large unit, it is mainly because it exceeds the capacitance values commonly encountered in everyday electronic devices. In most practical applications, capacitances are expressed in smaller units like microfarads (μF), nanofarads (nF), or picofarads (pF) due to their more appropriate scale.