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Small black plastic cooling fan with four wires visible

TSUJ

TSUJ 2 in 1 accessory for DB04028B12U 12V 0.66A 7.92W 2000/14700RPM 24CFM 40X40X28MM 4-Wire Cooling Fan

SKU CH-BW8B-RDT09

Accessory kit for a 12 V 4-wire 40×40×28 mm cooling fan delivering 24 CFM at 14700 RPM

  • Featuresfor DB04028B12U 12V 0.66A 7.92W 2000/14700RPM 24CFM 40X40X28
  • Compatible with DB04028B12U fan for precise fit
  • 4-wire PWM control enables variable speed regulation
  • 24 CFM airflow delivers effective component cooling
  • 12 V 0.66 A rating matches original power requirements

TSUJ accessory for DB04028B12U fan

This TSUJ accessory is designed for the DB04028B12U cooling fan. It suits technicians and owners of 2-in-1 laptops who need a compatible replacement part. The item is supplied new and matches the manufacturer part number Kepler-C72J-OYS-0237.

Thermals noise and power draw

The target fan runs at 12 V and draws 0.66 A for 7.92 W of power. It operates between 2000 and 14700 RPM while delivering 24 CFM of airflow through a 40 by 40 by 28 mm frame. The 4-wire interface enables speed monitoring and control.

Highlights

  • Compatible with DB04028B12U fan for precise fit
  • 4-wire PWM control enables variable speed regulation
  • 24 CFM airflow delivers effective component cooling
  • 12 V 0.66 A rating matches original power requirements

Specifications

BrandTSUJ
Part NumberKepler-C72J-OYS-0237
Featuresfor DB04028B12U 12V 0.66A 7.92W 2000/14700RPM 24CFM 40X40X28MM 4-Wire Cooling Fan

Questions about this item

How do I connect the 4-wire PWM connector on the DB04028B12U fan to the motherboard header?

Align the keyed 4-pin plug with the CPU fan header so the sense wire sits on the correct pin; pushing it in crooked bends the 12 V and ground pins and prevents speed control.

When should I replace the 40×40×28 mm fan if airflow drops below 24 CFM?

Swap the fan once dust buildup or bearing wear keeps it from reaching 14700 RPM at full PWM duty, because the 7.92 W design relies on that speed for rated cooling.

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