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Coreless DC Motor

  • Model22SYK2218.A
  • Connectionwith wires
  • Brushesprecious metal brushes
  • Bearingssleeve bearing
  • DatasheetPDF File
Operating parameters(25C)
 
Assigned power
W

2.8

Max.efficiency
%

82

Nominal voltage
Volt

9

Limits for continuous operating Max.continuous current
mA

391

Terminal resistance±10%
Ohm

4.3

mNm
mNm

4.06

No-Load speed±10%
rpm

8,200

Nominal speed
rpm

6,668

No-Load current≤125%
mA

19.5

Max.continuous power
W

2.835

Speed constant
rpm/V

911

Mechanical time constant
ms

19.4

Torque constant
mNm/A

10.39

Rotor inetia
gcm2

4.87

Starting current
mA

2,093

Inductance

mH


Stall torque
mNm

21.74

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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