Xinruilian Electronics Debuts RDH4028B Brushless Fan

Xinruilian Electronics Co. Ltd. (Shenzhen, China) introduced its new RDH4028B brushless dc fan, which operates from a 3.5Vdc to 5Vdc source, produces 9.98CFM of airflow and is designed for use in PCs. The 40mm x 40mm x 28mm device features ball bearings and rotates at speeds of up to 7,500rpm. The fan draws 350mA, produces 32.11dBA of noise, and offers automatic restart and speed-sensor functions.