Design & Engineering Notes
Designed for compact cooling systems, the 4020 DC fan combines a durable plastic frame and impeller with a precision-engineered motor for consistent airflow.
Compact 40mm frame for space-constrained installations.
Plastic frame and impeller with UL94V-0 flammability rating.
Ball bearing or sleeve bearing options.
Optional super-long-life bearing configuration.
Red (+), Black (-), and optional Yellow control wire.
PWM speed control and temperature sensor options available.
Operating temperature: -30°C to +70°C.
Key Specs
Performance varies by model and voltage configuration. Please refer to the specification table for individual model details. |
Core Strengths
•Compact Cooling Design: 40mm square frame with 20mm thickness, ideal for installations with limited space.
•High-Speed Performance: Operating speeds up to 10,500 RPM for effective heat dissipation.
•Flexible Airflow Options: Multiple models provide airflow from 5.48 to 12.1 CFM.
•Bearing Flexibility: Ball bearing and sleeve bearing options to suit different operating requirements.
•Multiple Voltage Choices: 5V, 12V, and 24V configurations for versatile system integration.
•Customizable Functions: Optional PWM speed control and temperature sensing.
Applications
The 4020 40mm DC axial fan is suitable for cooling a wide range of compact electronic and industrial equipment, including:
•Industrial control systems
•Embedded computers and mini PCs
•Communication and networking equipment
•Power supplies and electronic enclosures
•Instrumentation and testing equipment
•Compact electronic devices
Quick Support Q&A
Q1: What are the dimensions of the 4020 DC fan?
A: The fan measures 40 × 40 × 20mm, making it suitable for compact cooling applications.
Q2: What voltage options are available?
A: The 4020 series is available in 5V, 12V, and 24V DC versions.
Q3: What bearing types can I choose?
A: Ball bearing and sleeve bearing options are available to meet different service life and application requirements.
Q4: Does the 4020 fan support PWM speed control?
A: Yes. PWM speed control is available as an optional configuration, subject to the selected model.
Q5: Can the fan be customized?
A: Yes. Different voltage, bearing, lead wire, and optional control configurations can be discussed according to your project requirements.
Looking for a reliable 4020 DC cooling fan? Contact us for model selection, technical specifications, and customized cooling solutions.
Manufacturing Support
SZR provides OEM and project-based cooling solutions for compact thermal management applications. Engineering support, rapid sampling and customized specifications are available for long-term cooperation.
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