The OHMITE RES100E is a wirewound rheostat designed to control and vary resistance in electrical circuits. It has a resistance of 100 Ohm with a tolerance of 10%. With a power rating of 12.5W, this rheostat is capable of handling high loads. It features a 1-turn electrical/1-turn mechanical design for easy and precise adjustment. The solder lug panel mount allows for secure and convenient installation. The compact size of 33.34 x 22.23 x 26.2mm makes it suitable for various applications where space is limited.