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BMS10-1803/BMS10-1806

DC Brushless Motor BMS Series

With Hall sensors, Sleeve bearing Brushless Motor.

Specifications

  BMS10-1803 BMS10-1806
Rated voltage[V] 7.4 12
No load speed[rpm] 31,300 32,500
No load current[mA] 63 68
Stall torque[mNm] 4.54 5.24
Stall current[mA] 2,136 1,621
Output power[W] 4.5 5.2
Max efficiency[%] 69 63
Terminal resistance[Ω] 2.99 6.38
Rated torque[mNm] 0.65 0.75
Rated speed[rpm] 26,829 27,857
Rated current[mA] 359 290
Friction torque[mNm] 0.14 0.23
Back-EMF constant[mV/rpm] 0.229 0.354
Torque constant[mNm/A] 2.19 3.38
Slope of N-T curve[rpm/mNm] 5,949 5,343
Mechanical time constant[ms] 3.87 3.48
Rotor inertia[gcm2] 0.06 0.06
Max torque[mNm] 1.51 1.75
Inductance[mH] @1kHz 0.054 0.115
Thermal resistance Rth1(coil-housing)[K/W] TBD TBD
Thermal resistance Rth2(housing-ambient)[K/W] TBD TBD
Shaft radial play[mm] 0.05
Shaft axial play[mm] 0.02‐0.2
Max shaft radial load[N] 0.5(3.2mm ※1)
Max shaft axial load[N] 0.15
Max shaft axial load at standstill[N] 7.8
Operating temperature[℃] -20‐+80
Max coil temperature[℃] 90
Weight[g] 8.8

※1 measured at ( )mm point from flange

Electrical connections

BMS10-1803 / BMS10-1806
#1 W Motor winding W
#2 V Motor winding V
#3 Hu Hall sensor output U
#4 Hw Hall sensor output W
#5 Hv Hall sensor output V
#6 U Motor winding U
#7 Gnd GND
#8 Vdd Input voltage 3.0V(1.6‐5.5V)

Specification charts

特性図 BMS10-18

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