Page 52 - Demo

V012024 • © 2024 Portescap. Specifications subject to change without notice.Dimensions in mmBrushless DC Flat MotorsØ13.512 34A3x M2 at 120°Max length availablefor screw : 5mm10Cable Pitch : 1mmØ21±0.11.5±0.040.3±0.039.3±0.1660±35±0.121±0.0410.55±0.11Ø19±0.05Ø2-0.005-0.010 Ø19+0-0.10 Ø8+0-0.02 0.1A21BF nuvoDisc™ Ø 21 mm • 8-pole • 4 W Electrical Data Symbol 21BF 3C-K.02 Unit1 Nominal Voltage UN 5 Volt2 Optimization Direction - n.a. -3 No Load Speed n0 3,900 rpm4 Typical No Load Current I0 28.0 mA5 Max Continuous Mechanical Power (@25°C) Pmax 4.0 W6 Max Continuous Current Ie max 0.3 A7 Max Continuous Torque Me max 2.7 (0.39) mNm (oz-in)8 Back EMF Constant kE 0.89 V/1000 rpm9 Torque Constant kM 8.5 mNm/A10 Motor Regulation R/k2 784.0 103/Nms11 Motor Regulation k/R½ 1.1 (0.16) mNm/W½ (oz-in/W½)12 Internal Resistance - phase to phase RI 56.30 ohms13 Line to Line Resistance at Connectors RL 56.30 ohms14 Inductance Phase to Phase L 1.22 mH15 Mechanical Time Constant τm 141.2 ms16 Electrical Time Constant τe 0.02 msGeneral Data17 Maximum Motor Speed nmax 25000 rpm18 Ambient Working Temperature Range - -30 to +80 (-22 to +176) °C (°F)19 Ambient Storage Temperature Range - -40 to +80 (-40 to +176) °C (°F)20 Ball Bearings Preload - 2.70 N21 Axial Static Force w/o Shaft Support (max) - 27.00 N22 Maximum Winding Temperature - 125 (257) °C (°F)23 Thermal Resistance Rth 12.00 °C/W24 Thermal Time Constant τw 200.00 s25 Weight - 10 (0.36) g (oz)26 Rotor Inertia J 1.80 g-cm227 Hall Sensor Electrical Phasing (Sensorless) - NA Electrical °Torque (oz-in)Speed (rpm)Torque (mNm)Max. continuous operation at 25°C1W2W3W4W0 0.10 0.20 0.30 0.40 0.5006,0004,0002,0008,00010,00012,00014,0000 1 2 3 4ContinuousShort timeNo load speed (rpm)Power supply voltage (V)No load speed for each coilK05,00010,00015,00020,00025,0000 12 24 36 48Wire Description1 Phase 12 Phase 23 Phase 34 center point of Y windingsensorless (3C)52