The OD4010-12HB01A is a 40x10.5mm brushless DC fan designed for cooling applications requiring performance feedback. It operates on a rated voltage of 12V DC, delivering a maximum airflow of 9.2 CFM at a speed of 8000 RPM. This model features a durable dual ball bearing system, a low noise level of 33.4 dBA, and includes an open collector tachometer output for monitoring fan speed. The motor is electronically protected with auto-restart and polarity protection, ensuring a long life expectancy of 60,000 hours. Its compact size and integrated tachometer make it ideal for space-constrained electronics that require reliable thermal management and system monitoring.