Quest Components stocks and sells a wide variety of product from Vishay Semiconductor. Vishay Intertechnology manufactures several kinds of discrete semiconductors. These typically perform a single function, such as switching, amplifying, rectifying, or transmitting electrical signals. Vishay Intertechnology also manufactures selected ICs, which combine the functions of multiple components on a single chip, as well as modules, which include multiple components in a single package.
Vishay Intertechnologys semiconductors portfolio includes MOSFETs (low-voltage, medium-voltage, and high-voltage), ICs (both power and analog), a wide range of diodes and rectifiers, and many different types of optoelectronic products. The Company is a market and technology leader in power rectifiers, low-voltage power MOSFETs, and infrared components.