Description
The XINRUILIAN RDH4020S is a compact DC axial fan measuring 40 x 40 x 20 mm and weighing 29 g. It operates on 12V DC, drawing 0.16 A of current and consuming 1.92 W of power. The fan delivers an airflow of 8.9 CFM (15.1 m³/h) and a static pressure of 7.5 mmH₂O (0.295 inch H₂O, 73.5 Pa). It runs at a high speed of 8000 RPM with a noise level of 33 dB(A). This fan uses sleeve bearings and features two-wire leads.
RDH4020S Fan Parameters
Manufacturer: XINRUILIAN
Model: RDH4020S
Fan Type: DC Axial Fan
Dimensions: 40 x 40 x 20 mm
Rated Voltage: 12V DC
Current Rating: 0.16 A
Power Consumption: 1.92 W
Airflow: 8.9 CFM (15.1 m³/h)
Static Pressure: 7.5 mmH₂O (0.295 inch H₂O, 73.5 Pa)
Speed: 8000 RPM
Noise Level: 33 dB(A)
Bearing Type: Sleeve Bearing
Termination: Two Wire Leads
Housing Material: Thermoplastic (UL94V-0)
Impeller Material: Thermoplastic (UL94V-0)
Operating Temperature: -10 °C ~ 60 °C
Weight: 29 g
Application
The RDH4020S is suitable for cooling electronic components and small enclosures where high airflow and a compact size are required for effective thermal management.




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