vishan DSill ECD series. Slotless Brushless DC Motor with int. controller ECD1638, 016mmX38mm Values at nominal voltage 1 Nominal voltage 15 Mechanical time constant Operating Range 17 Thermal resistance housing-ambient 20.2 K/W 18 Thermal resistance winding-housing 8.7 K/W 19 Thermal time constant winding 7 s 20 Thermal time constant motor 238 s 22 Max. permissible winding temperature +150°C 24 Axial play at axial load <1.8 N 26 Max. axial load (dynamic) 27 Max.force for press fits (static) (static, shaft supported) 28 Max. radial loading, 5mm from flange 29 Number of pole pairs Controller features Sensorless, Open loop, Imax < 0.5A Overload protection, Stall protection Max. temperature of electronics +105°C Conection PTFE Pin 1 +VCC AWG24 red Function: On&Off/Direction/Speed control/Brake Speed closed&open-loop Control/Speed feedback Performance: Customized in the continuous operating range Ball bearing: Preload Flange: Standard frange front&back/customize the frange Shaft: Length/Diameter/Cut face Leadwire: PVC/Silicon/Teflon/UL No/Dimension/length Connector: JST/MOLEX/TE Caution: Incorrect lead connection will damage the controller! More: Please contact our sales engineers