V273-001 is a device produced by Littelfuse, Inc. designed to protect circuits in case of over-voltage or over-current events. The device is a 3-pin, thermally protected, resettable non-current-limiting Over-Voltage/Over-Current Protection Unit (OV/OCP). It is designed to provide protection from short-circuit, over-voltage, or over-current generated from a wide range of DC power sources, from 5 to 30V DC. The device provides OV/OCP protection for the entire line, and automatically resets when the condition clears, allowing the power to be safely restored.