Brushless Motor BMS16-20DC Coreless

Sensorless, Sleeve bearing Brushless Motor.

BMS16-20 Specifications

    Brushless Motor
BMS16-2001
Brushless Motor
BMS16-2004
Brushless Motor
BMS16-2013
1 Nomal voltage 7.4 12.0 24.0 V
2 No load speed 23800 23200 24800 rpm
3 No load current 188 113 60 mA
4 Stall torque 15.06 15.97 16.30 mNm
5 Stall current 5450 3460 1880 mA
6 Output power 9.4 9.7 10.6 W
7 Max efficiency 66 67 67 %
8 Terminal resistance 1.36 3.47 12.75 Ω
9 Rated torque 3.20 2.42 2.45 mNm
10 Rated speed 18800 19700 21100 rpm
11 Rated current 1305 620 334 mA
12 Friction torque 0.54 0.54 0.54 mNm
13 Back-EMF constant 0.300 0.500 0.937 mV/rpm
14 Torque constant 2.86 4.77 8.95 mNm/A
15 Slope of N-T curve 1582 1455 1521 rpm/mNm
16 Mechanical time constant 5.71 5.25 5.49 ms
17 Rotor inertia 0.34 0.34 0.34 gcm2
18 Max torque 7.53 7.98 8.15 mNm

*BMS16-20 is a Brushless Motor with a diameter of 16 mm and length of 20 mm.

Mechanical data

19 Shaft raddial play 0.015 mm
20 Shaft axial play 0.23 mm
21 Max shaft radial load 1.2(4.9mm*) N
22 Max shaft axial load 0.2 N
23 Max shaft axial load at standstill 9.8 N
24 Operating temperature -20~80
25 Max coil temperature 90
26 Weight 24 g

*measured at () mm from flange

Environmental data

#1

Lw

Motor winding U
#2 Lu Motor winding V
#3 Hu Motor winding W
#4 Hv Input voltage 3.0V(1.6~5.5V)
#5 Hw GND
#6 Lv Hall sensor output U
#7 Gnd Hall sensor output V
#8 Vdd Hall sensor output W

Sensored version available as option.

BMS16-20

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