The Isocom Components 2004 Ltd Optoisolator - Transistor, Photovoltaic Output IS281-4 is a reliable and versatile component used in both signal and power isolation systems. Featuring four pins, the Isocom component transistor photovoltaic optoisolator offers superior signal disconnection in a small package. It has an isolated dielectric insulation of 5 kilovolts minimum, protecting multiple circuits from electrical noise and voltage transients. The excellent creepage and clearance characteristics of the component also ensures utmost safety in areas susceptible to high electromagnetic disturbances. The optoisolator is available in a wide range of channeling options, enabling its usage in a variety of applications. Its high-quality design and construction make it a popular choice for commercial, industrial, and defense projects.