🔹 40x40mm 5V DC Brushless Cooling Fan – Compact Axial Fan (4010/4020)
This 40x40mm 5V brushless DC fan is a compact and reliable cooling solution for 3D printers, DIY electronics, and small electronic devices. Its brushless motor ensures quiet operation and a long lifespan, while the low 5V input makes it ideal for USB-powered or battery-operated projects .
✅ Specifications:
Size: 40mm x 40mm (Thickness varies: 10mm or 20mm)
Voltage: 5V DC
Motor Type: Brushless DC (BLDC)
Termination: 2-pin wires or USB connector
Connector Type: XH2.54 or open wires
📦 Features:
✔️ Compact 40x40mm size – fits tight spaces in electronics projects
✔️ Low 5V operation – compatible with Arduino, Raspberry Pi, USB power
✔️ Brushless motor – quieter and longer lifespan than brushed fans
✔️ Available in 10mm and 20mm thickness – choose based on your space and airflow needs
✔️ Bearing options: Sleeve (quieter) or Ball (longer life)
📦 Applications:
✔️ 3D printer hotend and controller cooling
✔️ DIY electronics and small power supplies
✔️ USB-powered desk fans and portable devices
✔️ Raspberry Pi and SBC cooling projects
✔️ Tiny PCs and network equipment
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