Description
The AVC DS05020R12U is a high-velocity DC axial fan, commonly referred to as a “5020” size, engineered for intensive thermal management in space-constrained, high-impedance environments. This 50 x 50 x 20 mm unit features a specialized Hydraulic Bearing system and a 5-blade high-torque impeller optimized for maximum air pressure. Operating at a nominal 12 VDC with a 0.30 A current draw, it achieves a powerful 6000 RPM rotational speed. The 4-wire configuration provides a sophisticated interface including both a Speed Sensor (FG) and Pulse Width Modulation (PWM) input for dynamic, demand-based speed control. Built with a brushless DC motor and advanced electronic protection, this fan is a critical component for 1U server modules, high-density power supplies, and industrial communication controllers requiring precise, high-velocity air displacement.
DS05020R12U Fan Parameters
Manufacturer: AVC (Asia Vital Components)
Model Number: DS05020R12U
Industry Size Code: 5020
Type: DC axial fan
Bearing Type: Hydraulic Bearing (Hydro-dynamic)
Nominal Voltage: 12 VDC
Voltage Range: 10.8 – 13.2 VDC
Starting Voltage: 10.8 VDC
Dimensions: 50 x 50 x 20 mm
[Electrical Data]
Input Power: 3.60 W
Nominal Current: 0.30 A
Max. Current: 0.38 A
Nominal Speed: 6000 RPM (Tolerance ±10%)
Motor Design: Brushless DC Motor, 4-pole
Signal Output: FG (Frequency Generator/Tachometer)
Speed Control: PWM (Pulse Width Modulation)
Motor Protection: Auto Restart, Polarity Protection, Locked Rotor Protection
Insulation Class: Class A (105 °C)
Insulation Resistance: 10M ohm at 500 VDC
Termination: 4-Lead wires (UL1007, AWG#26, Red/Black/White/Blue)
[Performance & Acoustics]
Max. Air Flow: 18.25 CFM (31.01 m³/h / 0.52 m³/min)
Max. Static Pressure: 6.85 mmH₂O (67.18 Pa / 0.27 inH₂O)
Sound Pressure Level: 39.5 dB(A)
Number of Blades: 5
Direction of Rotation: Counter-clockwise (viewed toward impeller)
Airflow Direction: Intake over struts
[Materials & Construction]
Frame Material: Thermoplastic PBT (UL94V-0)
Impeller Material: Thermoplastic PBT (UL94V-0)
Installation Position: Any
Degree of Protection: IP54
[Reliability & Safety Standards]
Min. Ambient Temperature: -10 °C
Max. Ambient Temperature: 70 °C
Life Expectancy (L10): 50,000 hours at 40 °C
Standard Compliance: IEC 60950-1, EN 61000-6-1
Approval Agency: UL, TUV, CE, RoHS
Application
The AVC DS05020R12U axial fan is used in 1U server chassis, compact power supplies, network routers, industrial IPC controllers, and medical monitoring devices.
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