The 2N4118A-2 is a JFET N-Channel transistor manufactured by Vishay Siliconix. It is designed to handle a maximum voltage of 40 V and a power dissipation of 300 mW, making it suitable for moderate power applications. The component comes in a TO-206AF (TO-72) through-hole package, facilitating easy integration into various electronic circuits. Key electrical characteristics include a gate-source voltage of 1 V at 1 nA, a drain current of 80 µA at 10 V, and an input capacitance of 3 pF at 10 V, which indicate its performance in terms of conduction and capacitance.