The 820KD07-TR Varistor with Through Hole RoHS from Yageo is a radial leaded metal oxide varistor which operates on a voltage range of 6.0V to 110V and offers peak power dissipation of 550mW. It offers superior thermal and energy dissipation performance making it suitable for use in high powered applications. It is designed to provide protection from transient voltage shocks and spikes without affecting the normal circuits. Additionally, its through hole RoHS ensures that it is in compliance with environmental standards, making it a great choice for green electronics projects.