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3-pin vs. 4-pin cooling fan: Analysis of advantages and disadvantages of PWM speed regulation and voltage speed regulation
Mar 24 , 2025
Cooling fans play a crucial role in electronic equipment, servers, industrial equipment and other fields. For different use needs, there are two main types of 3-Pin (3-pin) and 4-Pin (4-pin) fans on the market, and their main difference is the speed regulation mode - 3-pin fan speed regulation by voltage, while 4-pin fan uses PWM (pulse width modulation) speed regulation. So, what are the advantag...
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The key role in automotive cooling systems: How to Choose the Right reliable Brushless Blower?
May 19 , 2025
In the overall thermal management system of automobiles, the blower is no longer just an "accessory", but a crucial component that determines the heat dissipation efficiency, overall vehicle safety and NVH experience. Whether it is the engine compartment of a fuel vehicle or the battery module, electrical control box or motor housing of a new energy vehicle, a stable brushless blower can significa...
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Cooling fan testing process: ensuring product quality and performance
Jun 05 , 2025
In order to ensure the quality and reliability of cooling fans, a series of rigorous tests must be carried out during the production process. The following are key test items before leaving the factory: 1. Balance test The fan blade is an important component of the cooling fan, and its balance directly affects the stability of the fan operation. Imbalance may cause vibration, noise, wear and short...
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