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Square black 120 mm PWM fan with dual ball bearing, 38 mm thick

Fans

Fans FFB1224EHESize120 fan control 24V 1.50A PWM 120*120*38mm

SKU CH-XXV2-E5B6W MPN FFB1224EHESize120

A 120 mm dual-ball-bearing fan with PWM speed control, delivering 190 CFM at 5000 RPM while drawing 1.50 A at 24 V

  • FeaturesYes
  • PWM speed control enables precise airflow adjustment
  • Dual ball bearings deliver 100,000-hour rated lifespan
  • 190 CFM airflow at 5000 RPM provides strong cooling
  • 36 W power at 24 V 1.50 A ensures efficient operation
  • Operates reliably from -20 °C to 75 °C

24V PWM Fan Controller for High-Airflow Cooling

This 24-volt PWM fan controller drives a 120 mm dual ball bearing unit rated at 1.50 amps and 36 watts. It targets system builders who need precise speed regulation for demanding thermal loads in industrial or custom PC environments. The controller enables variable operation up to 5000 RPM while maintaining the long life expectancy of the bearing assembly.

PWM Interface Limits at 24 Volts

The PWM speed control function operates strictly within the 24-volt supply rail and 1.50-amp current ceiling. At the maximum 5000 RPM setting the unit draws the full 36 watts, so the driving circuit must sustain that load continuously. Operation outside the minus 20 to 75 °C environmental range is not supported by the controller logic.

190 CFM Airflow Headroom and Acoustic Ceiling

At full speed the fan delivers 190 CFM (5.38 cubic metres per minute) against 17.78 mmH2O static pressure, suitable for dense heatsinks or restricted chassis paths. The acoustic output reaches 59 dBA at that point, which defines the practical ceiling for noise-sensitive installations. The dual ball bearing is rated for 100,000 hours of continuous operation before wear becomes a limiting factor.

Highlights

  • PWM speed control enables precise airflow adjustment
  • Dual ball bearings deliver 100,000-hour rated lifespan
  • 190 CFM airflow at 5000 RPM provides strong cooling
  • 36 W power at 24 V 1.50 A ensures efficient operation
  • Operates reliably from -20 °C to 75 °C

Specifications

FeaturesYes

Questions about this item

Which PWM fan controller should I pick for a 24 V system drawing 1.50 A?

The FFB1224EHESize120 is rated for 24 V and 1.50 A, matching that exact requirement.

What does the 5000 RPM rating mean once the fan is installed?

At full speed the fan spins at 5000 RPM, moving 190 CFM (5.38 m³/min) with 17.78 mmH₂O static pressure at 59 dBA.

How does the PWM interface affect speed control in practice?

PWM support lets the motherboard or controller vary the duty cycle, so the fan runs from near-silent low speed up to the full 5000 RPM without voltage steps.

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