17S78 MCLENNAN | Alldatasheet
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Technical content
17S78 Precious metal commutation Ø17mm 2.8 mNm Electrical Data **** 208P 210E 209E 1 Nominal Voltage V 6 7.5 12 Volt
2 No-Load Speed n0 10,280 10,865 12,430 rpm
3 No-Load Current I0 25.0 18.0 8.4 mA 4 Terminal Resistance R 7.5 12.2 18.6 W 5 Output Power P2max. 1.7 1.6 1.8 W 7 Efficiency hmax. 68 69 78 % 8 Max continuous speed ne max. 12,000 12,000 12,000 rpm 10 Max continuous current Ie max. 0.50 0.38 0.32 A 11 Back-EMF Constant kE 0.57 0.67 0.95 mV/rpm 12 Torque Constant kM 5.40 6.40 9.10 mNm/A
13 Motor Regulation R/k2
255.0 300.0 225.0 103/Nms 15 Rotor Inductance L 0.15 0.23 0.35 mH 16 Mechanical Time Constant tm 12.8 15.0 11.3 ms 17 Rotor Inertia J 0.50 0.50 0.50 g.cm2
18 Thermal Resistance (rotor/body) Rth1 / Rth2 13/38 13/38 13/38 °C/W
19 Thermal Time Constant (rotor/stator) tw1/tw2 7/400 7/400 7/400 °C/W
20 Operating Temperature Range: motor °C (°F)
rotor °C (°F) 21 Shaft Load max.: at 3,000 rpm (5mm from bearing) -radial N (oz) at 3,000 rpm -axial N (oz)
22 Shaft play: -radial mm (inch)
-axial mm (inch)
23 Weight g g (oz)
100 (359.6) <0.03 (0.0012) 0.15 (0.0059) 19 (0.68) -30°C to 85°C (-22°F to 185°F) 100°C (212°F) With sleeve bearings 1.5 (5.4) 17S78 **** .1 Gearbox Single Shaft F16 MR2 B16 5 5 Contact Us BA16 5 5 Contact Us R16 1 1 Contact Us Execution (C) 2013. Portescap. Specifications subject to change without notice. PORTESCAP