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How Is the Lifespan of a Cooling Fan Calculated?

How Is the Lifespan of a Cooling Fan Calculated?

The "lifespan calculation" of a cooling fan is essentially a "reliability assessment based on wear mechanisms": Manufacturers provide a theoretical MTBF through accelerated testing, and users derive the "expected lifespan" by correcting it based on actual working conditions. The core lies in focusing on three key variables—bearing type, ambient temperature, and speed: Ball bearings have a 3-5x longer lifespan than sleeve bearings, and operation at room temperature with low speed results in a 5-10x longer lifespan than at high temperature with full speed. Rational selection and use can significantly extend the fan’s lifespan.

2025/10/10

Differences Between High-Airflow and Low-Airflow Cooling Fans

Differences Between High-Airflow and Low-Airflow Cooling Fans

If you need rapid cooling for high-power devices (e.g., gaming PCs, industrial racks) and can tolerate a certain level of noise and power consumption, choose high-airflow fans; If you need quiet operation, low power consumption, and compatibility with micro-devices (e.g., routers, laptops, bedroom small fans) and have low heat load requirements, choose low-airflow fans.

2025/09/30

How Does the PCB Board Achieve Speed Control in Sanyo SanAce Cooling Fans?

How Does the PCB Board Achieve Speed Control in Sanyo SanAce Cooling Fans?

In Sanyo SanAce cooling fans, the PCB board primarily realizes speed control through PWM (Pulse-Width Modulation) technology.

2025/09/28

Why Does the Noise of a Cooling Fan Increase After Being Used for a Period of Time?

Why Does the Noise of a Cooling Fan Increase After Being Used for a Period of Time?

After a cooling fan has been in use for some time, the core reasons for the increased noise are mechanical wear, foreign object accumulation, structural deformation, or lubrication failure.

2025/09/23

What Are the Functions of the 3-Wire and 4-Wire SanAce Fans?

What Are the Functions of the 3-Wire and 4-Wire SanAce Fans?

The 3-wire and 4-wire SanAce fans differ in their functions. Compared with the 3-wire fan, the 4-wire fan has an additional PWM (Pulse Width Modulation) speed control function, enabling more precise speed regulation and stronger adaptability.

2025/09/19

Can Fans of the Same Specifications, Dimensions, and Rotation Speed Be Directly Replaced?

Can Fans of the Same Specifications, Dimensions, and Rotation Speed Be Directly Replaced?

Under the premise of "identical specifications, dimensions, and rotation speed", a fan cannot necessarily be directly replaced. It is crucial to verify the following 6 core compatibility dimensions—any incompatibility may result in failure to work normally, equipment damage

2025/09/16

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