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The TD (Terminal Devices) and Chip PolySwitch devices are designed for use in small and medium automotive motor applications, like power windows, door lock motors, and lumbar pump motors. These devices help eliminate problems caused by abnormal function or misuse, such as a motor stall or short circuit. The TD and Chip devices are normally custom made to fit into the motor housing. By mounting them close to the motor windings, they will trip more quickly when the motor windings are hot and therefore closer to being damaged, and more slowly when the motor windings are cold.
Littelfuse, Inc. 8755 West Higgins Road Suite 500, Chicago, IL, 60631 USA, 773-628-1000 Copyright © 2017 Littelfuse, Inc.