12V/24V DC Cooling Fan, 40mm X 40mm X 20mm

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$19.86

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Stock: In Stock
Model: RDDLZ-CF-DC4020
Weight: 1.00
SKU: RDDLZ-CF-DC4020

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Model

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The 12/24 volt dc cooling fan supports a wide range of electronic devices and can be controlled by PWM or DC voltage. RDDLZ brushless dc cooling fans are durable, low maintenance designs with easy to clean blades that can be removed for cleaning and maintenance.

12V/24V DC Cooling Fan Specifications:

Model

RDDLZ-DC4020SLL

RDDLZ-DC4020BLL

RDDLZ-DC4020SLM

RDDLZ-DC4020BLM

RDDLZ-DC4020SLH

RDDLZ-DC4020BLH

Rated Voltage

12V

24V

12V

24V

12V

24V

12V

24V

12V

24V

12V

24V

Bearing Type

Oily

Ball

Oily

Ball

Oily

Ball

Rated Current

0.06A

0.03A

0.06A

0.03A

0.07A

0.03A

0.07A

0.03A

0.09A

0.04A

0.09A

0.04A

Input Power

0.72W

1.44W

0.72W

1.44W

0.84W

1.68W

0.84W

1.68W

1.08W

1.92W

1.08W

1.92W

Fan Speed

5000±10%RPM

6000±10%RPM

7000±10%RPM

Air Flow

5CFM

6.2CFM

7.4CFM

Static Pressure

2.7mm-H2O

4.0mm-H2O

5.6mm-H3O

Noise

24dB-A

27dB-A

30dB-A

Dimension

40mm x 40mm x 20mm

Material

Plastic

Certificate

CE, UL

Fire Rating

UL94V-0

Operating Temperature

-10 ℃ ~ 70 ℃

Operating Humidity

35% ~ 85RH

Storage Temperature

-40 ℃ ~ 70 ℃

Storage Humidity

35% ~ 85RH

Dimensions and Curves (unit: mm)

DC Cooling Fan Interface

Tips: Factors affecting the noise of DC cooling fans
1. Speed. The faster the DC fan rotates, the bigger the fan, the louder the noise.
2. Bearings. The bearings of DC fans are briefly divided into two types, one is oil and the other is ball. Under normal circumstances, ball bearing fans are more noisy than bearing bearing fans.
3. Airflow. During the rolling of fan blades, they will encounter resistance in the air. The faster the rolling speed, the larger the blade area and the greater the resistance, so the noise will be greater.
4. Conflicting force. If the fan is used for a long time, the fan will be excessively racked, vibrated, and the center of gravity is unstable. This will cause a collision or conflict between the fan blade and the fan frame, and then generate noise.

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