Sunon three-wire 5V 40mm x 10mm fan for HotEnd cooling.
The yellow wire (tachometer) provides feedback on the actual speed. It is not necessary to connect it, but it is useful. Klipper configuration: www.klipper3d.org/Config_Reference.html#heater_fan
Description by Ellis: Hotend Fan RPM Monitoring
- Manufacturer: SUNON
- Type: MF40100V1-1000U-G99
- Fan efficiency: 8 CFM / 13.52 m3/h
- Fan type: DC
- Fan kind: axial
- Power supply: 5V DC (2.5…6V)
- Fan size: 40 x 40 x 10 mm
- Noise level: 27.3 dBA
- Nominal current: 0.120 A (max 0.138 A)
- Power consumption: 0.83 W
- Speed: 7000 rpm
- Operating temperature: -10 ~ 70°C
- Weight: 15.5g