Page 106 - Demo

V012024 • © 2024 Portescap. Specifications subject to change without notice.Dimensions in inches [mm]Brush DC MotorsMotor shaft rotates CW when seen from motor front face when +ve and -ve supply is given to respective terminals.Electrical Data Symbol 17S78 •••• .1 Unit 208P 210E 209E1 Nominal Voltage V 6 7.5 12 Volt2 No-Load Speed n0 10,280 10,865 12,430 rpm3 No-Load Current I0 25.0 18.0 8.4 mA4 Terminal Resistance R 7.5 12.2 18.6 Ω5 Output Power P2max. 1.7 1.6 1.8 W6 Stall Torque mNm 4.3 (0.61) 3.9 (0.56) 5.9 (0.84) mNm (oz-in)7 Efficiency hmax. 68 69 78 %8 Max Continuous Speed ne max. 10,000 10,000 10,000 rpm9 Max Continuous Torque Me max. 2.6 (0.34) 2.4 (0.34) 2.8 (0.4) mNm (oz-in)10 Max Continuous Current Ie max. 0.50 0.38 0.32 A11 Back-EMF Constant kE 0.57 0.67 0.95 mV/rpm12 Torque Constant kM 5.40 6.40 9.10 mNm/A13 Motor Regulation R/k2 255.0 300.0 225.0 103/Nms14 Friction Torque TF 0.12 (0.02) 0.12 (0.02) 0.08 (0.02) mNm (oz-in)15 Rotor Inductance L 0.15 0.23 0.35 mH16 Mechanical Time Constant τm 12.8 15.0 11.3 ms17 Rotor Inertia J 0.50 0.50 0.50 g-cm2General Data18 Thermal Resistance (rotor/body) Rth1/Rth2 13/38 °C/W19 Thermal Time Constant (rotor/stator) tW1/tW2 7/400 S20 Operating Temperature Range: motor -30°C to 85°C (-22°F to 185°F) °C (°F)rotor 100°C (212°F) °C (°F)21 Shaft Load Max.: With sleeve bearings(5 mm from bearing) -radial 1.5 (5.4) N (oz)-axial 100 (359.6) N (oz)22 Shaft Play: -radial <0.03 (0.0012) mm (inch)-axial 0.15 (0.0059) mm (inch)23 Weight g 19 (0.68) g (oz)24 Commutation Segment - 9 segment17S78 Ø 17 mm • Precious metal commutation • 2.8 mNmExecution TableGearbox Single Shaft F16 MR2B16 5 5 Upon RequestBA16 5 5 Upon RequestR16 1 1 965.52101 (6.5)18.7M1.6x1.5max.1.7 4.5Ø15.4Ø16Ø106±0.57.5±0.5Ø17 0-0.1Ø1.5-0.006-0.009Ø6 0-0.018 n (rpm)M (mNm)10000800060004000200000 3 6 8 11 No Load Speed vs. TorqueMax. Recommended SpeedMax. Continuous Output Power 2.4WContinuous working rangeTemporary working range106