7mm 3.4V Coreless Motor 44000RPM DC Motor Model NFP-D0720-2184

3V Small Coreless Motor Model NFP-D0720 Performance

⚙️Energy saving: The hollow cup motor has high conversion efficiency, and the general efficiency is above 70%;
⚙️Sensitive control: fast starting, braking, and fast response, it is convenient to adjust the speed sensitively under high-speed operation, and the operation is stable and reliable, and the speed fluctuation is small;
⚙️Low starting torque: no hysteresis loss, no cogging, and low starting torque.

Model	NFP-D0720-2184-1-3.0	NFP-D0720-2184-2-3.0	NFP-D0720-2184-3-3.4
Voltage	3V	3V	3.4V
Terminal resistance	0.4Ω	0.5Ω	/
No-load speed	49,000rpm	42,000rpm	44,000rpm
No-load current	<86mA	<67mA	<160mA
Stall torque	36.47g.cm	35.06g.cm	/
Stall current	6,730mA	5,540mA	<6.5A
Max output power	4.585W	3.778W	/
Max efficiency	73%	74%	/
Torque constant	5.5g.cm/A	6.4g.cm/A	/
Rotor inertia	<0.06g.cm²	<0.06g.cm²	/
Weight	3.7g	3.7g	3.7g

Model

NFP-D0720-2184-1-3.0

NFP-D0720-2184-2-3.0

NFP-D0720-2184-3-3.4

Voltage

3.4V

Terminal resistance

0.4Ω

0.5Ω

No-load speed

49,000rpm

42,000rpm

44,000rpm

No-load current

<86mA

<67mA

<160mA

Stall torque

36.47g.cm

35.06g.cm

Stall current

6,730mA

5,540mA

<6.5A

Max output power

4.585W

3.778W

Max efficiency

73%

74%

Torque constant

5.5g.cm/A

6.4g.cm/A

Rotor inertia

<0.06g.cm²

Weight

3.7g

Coreless Micro DC Motor Typical Applications

Electric Toys Like Train Model, Railway Kits, Train Toys, Railway Modeling, Faller Car System, Model Train, Razors, Personal Alarms, Communication Devices, Button Feedback, Massager Bras