With the increasing prevalence of electronic devices, heat dissipation has become a critical factor in ensuring the stable operation of equipment. DC cooling fans, as a common solution for heat dissipation, directly impact the overall competitiveness of a product through their performance and pricing. So, what factors determine the price of a DC cooling fan? This article will delve into the key factors that affect the price of DC cooling fans from multiple perspectives and highlight Ruiapple Electric's core advantages in the cooling fan industry.

Fan Size and Airflow

Fan size is the primary factor influencing its price. Generally, the fan's diameter is positively correlated with airflow. Larger fans can provide greater airflow, making them suitable for cooling high-power devices. For instance, a 120mm fan can deliver 40-60% more airflow than an 80mm fan, but the cost increases by 30-50%. Ruiapple Electric offers a full range of DC cooling fans from 40mm to 220mm, with custom solutions available to meet specific cooling needs.

Bearing System

The type of bearing directly affects the fan’s lifespan and operational stability:

• Oil Bearings: Low cost, with a typical lifespan of 20,000 to 30,000 hours.
• Ball Bearings: Higher cost, but a lifespan of 50,000 to 70,000 hours.
• Magnetic Levitation Bearings: The latest technology, with a lifespan of over 100,000 hours.

Ruiapple Electric utilizes its self-developed hybrid bearing technology, ensuring long lifespan while keeping noise levels below 18dBA.

Material Selection

Material quality directly impacts the fan's durability and performance:

• Housing Material: Aluminum alloy > High-strength engineering plastics > Ordinary plastics.
• Blade Material: PBT > PC > ABS.
• Insulation Material: UL94 V-0 flame-retardant material.

Ruiapple Electric uses PBT for all products, providing excellent temperature resistance (-40°C to 120°C) and mechanical strength.

Intelligent Control System

Intelligent control features significantly enhance fan performance:

• Temperature Sensing Speed Control: Accuracy within ±1°C.
• PWM Control: Speed adjustment precision up to 1%.
• Fault Alarm Function
• Remote Monitoring Function

Ruiapple Electric’s intelligent control system, powered by a 32-bit MCU, allows precise temperature control strategies, achieving energy savings of up to 30%.

PCB Design and Manufacturing

The quality of the PCB board directly influences the fan’s reliability and EMC performance:

• Layers: 2-layer < 4-layer < 6-layer.
• Copper Thickness: 1oz < 2oz < 3oz.
• Protection Level: IP54 < IP67 < IP68.

Ruiapple Electric uses a 6-layer PCB design with comprehensive EMC protection circuits, ensuring stable operation even in harsh environments.

Additional Features

• Waterproof and Dustproof Rating: IP55/IP68.
• Corrosion Protection
• Noise Reduction Design
• Vibration Protection Design

Ruiapple Electric’s products are certified by RoHS, CE, UL, and other standards, making them suitable for use in specialized environments.

Brand Value and Technological Strength

As an industry-leading brand, Ruiapple Electric offers the following core advantages:

• Over 25 years of professional R&D experience.
• More than 200 technical patents.
• Fully automated production lines.
• ISO9001 quality management system certification.
• Comprehensive after-sales service system.

The price of a DC cooling fan is influenced by various factors, including size, bearing system, material selection, intelligent control, and PCB design. Ruiapple Electric, with its extensive technological expertise and strict quality control, provides cost-effective cooling solutions. Our products offer exceptional performance, reliability, and longevity, positioning us as leaders in the industry. Choosing Ruiapple Electric means choosing a professional and reliable cooling solution.