7020 DC Brushless Cooling Fan 70x70x20mm Axial Fan 5V 12V 24V High Airflow Low Noise

H1:Overview

The 7020 cooling fan is a compact 70mm × 70mm ×20mm brushless DC axial fan, widely used for devices requiring higher airflow and static pressure than 7010 / 7015 slim models. Adopt high-performance brushless motor structure, with anti-blocking, reverse polarity protection built-in. We offer multiple speed versions from 1600RPM to 3400RPM to balance airflow and noise. Optional PWM speed regulation and FG speed feedback signal to meet intelligent thermal control requirements.

H2:Key Features

1. 20mm thickness, higher airflow & static pressure compared to 7010 and 7015 fan

2. Multiple voltage options: DC 5V /12V /24V, wide voltage tolerance

3. Bearing selection: Sleeve bearing, One ball bearing, Double ball bearing

• Sleeve: Cost-effective for short duty cycle

• Double ball: Long service life for 24/7 continuous running

4. Optimized aerodynamic blade design, low noise & stable air delivery

5. Built-in protection: Locked rotor protection, reverse connection protection

6. Optional function: FG signal, PWM speed control, IP waterproof version

7. Certifications: CE, RoHS. OEM & ODM support (cable length, connector, logo)

H3:Application Scenarios

Perfect cooling for compact devices: 

✅ Air purifiers, humidifiers, aroma diffusers 

✅ Medical instruments & beauty salon equipment 

✅ Power supply, small charging modules 

✅ Audio amplifier, smart home devices 

✅ Mini industrial control box, telecom equipment

✅ 3D printer peripheral, portable test instruments

H4:Our Advantage

As a professional DC cooling fan manufacturer in Shenzhen, we supply standard 7020 fans and accept custom modification.

• Fast sample support

• Stable mass production capacity

• Strict quality inspection before shipment

• Flexible MOQ for bulk orders

• Custom cable, connector, fan label, waterproof treatment available

H5:Complete certifications including CE, ROHS, UKCA, UL, FCC, and more.

H6:Packaging & After-Sales Service

H7:FAQ

Q1: Can I get a sample of 7020 cooling fan? 

A: Yes, samples are available for quality testing.

Q2: What bearing type should I choose?

 A: Double ball bearing for long time continuous operation; sleeve bearing for cost-sensitive intermittent use.

Q3: Do you support custom wires and connectors? 

A: OEM service is supported, we can customize wire length and terminal connectors.