Xinruilian cooling fan offers 9.98cfm airflow

Designed for use in PCs, the RDH4028B brushless dc fan from Xinruilian Electronics Co. Ltd operates from a 3.5Vdc to 5Vdc source and produces 9.98cfm airflow.

The 40-by-40-by-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.

The company is also offering dc cooling fans that have sleeve bearings.