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Coreless DC Motor

  • Model22SYK2211.A
  • Connectionwith wires
  • Brushesprecious metal brushes
  • Bearingssleeve bearing
  • DatasheetPDF File
Operating parameters(25C)
 
Assigned power
W

2.6

Max.efficiency
%

81

Nominal voltage
Volt

18

Limits for continuous operating Max.continuous current
mA

181

Terminal resistance±10%
Ohm

19.9

mNm
mNm

3.77

No-Load speed±10%
rpm

8,170

Nominal speed
rpm

6,535

No-Load current≤125%
mA

9.1

Max.continuous power
W

2.58

Speed constant
rpm/V

454

Mechanical time constant
ms

13.6

Torque constant
mNm/A

20.84

Rotor inetia
gcm2

2.97

Starting current
mA

905

Inductance

mH


Stall torque
mNm

18.85

Weight

g

48

Dimensions(mm)
 

Characteristic curve diagram
 
Note
 
Axial play (measured at 4N axial force)




≤0.15mm
Max. sleeve bearing loads








Axial (dynamic)





1.0N

Radial (4 mm from jamming ring)





2.7N

Force for press-fits (static)





80N
Max. radial play sleeve bearing





0.02 mm
Ambient temperature range




-20+65
Max. rotor temperature





+85
Weight of motor





48g
Options:gearbox and ball bearings








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