Yen Sun cooling fan has locked rotor protection

Yen Sun Technology Corp.'s tip magnetic driving (TMD) fan has a "locked rotor protection" feature that enables the fan blades to stop spinning, before attempting to restart after a 6s window.

The 74-by-74-by-15mm device spins up to 5,800rpm and delivers an airflow of 35.5cfm. It produces 38dB of noise and is rated at 0.32A, while dissipating 3.84W. It is available with hub sizes ranging from 12mm to 32.5mm and blade sizes from 12mm to 25mm. Also included is a polarity protection feature that protects the circuit when the ground and voltage lines are crossed.