Delta EFB0412HHD-R00 4020/12V fan

Description

The Delta EFB0412HHD-R00 is a high-performance, industrial-grade DC axial fan engineered for compact thermal management systems requiring continuous operation and active status monitoring. Built with Original Engineering standards, this 40x40x20mm component delivers exceptional static pressure and airflow density. The integration of a dual ball bearing system ensures extended lifecycle reliability in demanding environments, while the specific -R00 suffix designates a built-in rotation detector (fault alarm) for critical system protection. This ensures seamless Technical Compatibility with automated control boards that require immediate thermal failure notification.

Technical Specifications:
Manufacturer: Delta Electronics
Model Number: EFB0412HHD-R00
Frame Dimensions: 40mm x 40mm x 20mm
Operating Voltage: 12V DC
Voltage Range: 7.0V to 13.8V DC
Input Current: 0.15 A (Max)
Input Power: 1.80 W
Rated Speed: 8200 RPM ± 10%
Maximum Airflow: 9.43 CFM (0.267 m³/min)
Maximum Static Pressure: 10.5 mmH2O
Acoustic Noise: 30.5 dB(A)
Bearing Type: Dual Ball Bearing
Housing Material: PBT Plastic (UL 94V-0)
Impeller Material: PBT Plastic (UL 94V-0)
Termination: 3-Wire Leads (Power, Ground, Fault Alarm)
Operating Temperature: -10°C to +70°C
Weight: 33 g

Signal and Integration Logic:
The three-wire configuration features an integrated R00 rotation detector. Under normal operation, the sensor outputs a continuous signal. If the fan speed drops below a critical threshold or the rotor locks, the signal state changes, triggering an immediate fault alarm to the host controller. This logic prevents thermal runaway in high-density electronics.

Industrial Application:
This specific cooling fan is heavily utilized in 1U server chassis, telecommunications networking equipment, and compact industrial power supplies. In these scenarios, the 4020 form factor provides necessary localized cooling for heat sinks, while the fault alarm allows system administrators to initiate safe shutdown protocols or activate redundant cooling paths before component degradation occurs.

Procurement and Lifecycle:
Designed for continuous 24/7 operation, the dual ball bearing architecture significantly reduces maintenance intervals. We maintain optimized Lead Time protocols to ensure rapid deployment for both OEM production lines and critical MRO spare parts inventory.