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The SDI-C403 is a DC brushless fan manufactured by NMB Technologies. Below are its specifications, descriptions, and features:

Specifications:

• Model: SDI-C403
• Manufacturer: NMB (MinebeaMitsumi)
• Type: DC Axial Fan
• Size: 40mm x 40mm x 10mm (40x40x10)
• Voltage Rating: 12V DC
• Current Consumption: 0.08A (typical)
• Power Consumption: 0.96W
• Speed: 6,000 RPM (typical)
• Airflow: 4.5 CFM (approx. 7.6 m³/h)
• Static Pressure: 0.08 inch H₂O (approx. 20 Pa)
• Noise Level: 25 dB(A) (typical)
• Bearing Type: Sleeve Bearing
• Connector: 2-pin (optional configurations may exist)
• Life Expectancy: 30,000 hours (at rated conditions)
• Operating Temperature Range: -10°C to +70°C
• Storage Temperature Range: -40°C to +85°C

Descriptions:

• Compact 40mm fan designed for cooling small electronic devices.
• Low power consumption makes it suitable for energy-efficient applications.
• Sleeve bearing provides cost-effective performance with moderate lifespan.
• Commonly used in PC components, networking equipment, and industrial electronics.

Features:

• Brushless DC motor for reliable, maintenance-free operation.
• Lightweight and compact design for space-constrained applications.
• Low noise operation suitable for quiet environments.
• RoHS compliant (lead-free construction).

For exact performance under specific conditions, refer to the official NMB datasheet.