Brushless Motor BMN04-08DC Coreless

Sensorless, Sleeve bearing Brushless Motor.

BMN04-08 Specifications

1 Nomal voltage 3.0 V
2 No load speed 37000 rpm
3 No load current 28 mA
4 Stall torque 0.041 mNm
5 Stall current 100 mA
6 Output power 0.04 W
7 Max efficiency 22.4 %
8 Terminal resistance 29.7 Ω
9 Rated torque 0.014 mNm
10 Rated speed 24200 rpm
11 Rated current 53 mA
12 Friction torque 0.02 mNm
13 Back-EMF constant 0.059 mV/rpm
14 Torque constant 0.56 mNm/A
15 Slope of N-T curve 9.5544 rpm/mNm
16 Mechanical time constant 9.15 ms
17 Rotor inertia 0.00087 gcm2
18 Max torque 0.02 mNm

*BMN04-08 is a Brushless Motor with a diameter of 4 mm and length of 8 mm.

Mechanical data

19 Shaft raddial play 0.015 mm
20 Shaft axial play 0.23 mm
21 Max shaft radial load 0.07(2.55mm*) N
22 Max shaft axial load 0.06 N
23 Max shaft axial load at standstill 5 N
24 Operating temperature -20~80
25 Max coil temperature 90
26 Weight 0.7 g

*measured at () mm from flange

Environmental data

#1

Lu

Motor winding U
#2 Lv Motor winding V
#3 COM -
#4 Lw Motor winding W
Connector CFP5506-0150F / SMK

Sensored version available as option.

BMN04-08

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