4mm Coreless DC Motor – 8mm Type Model NFP-D0408

4mm Coreless DC Motor – 8mm Type Model NFP-D0408


4mm DC Coreless Motor Small Volume Price (USD $)

1+ $3.00
100+ $1.20
1,000+ $0.88

Contact us for a quotation for production quantities, customizations and integration.

4mm Small DC Motors NFP-D0408 Data Sheet

Motor Model NFP-D0408
Diameter 4mm ± 0.05mm
Length 8mm ± 0.2mm
Total length 12mm ± 0.3mm
Shaft length 4mm ± 0.3mm
Shaft diameter 0.7mm
Rotation CW
Voltage 3.0V
No-load speed 20,000rpm
Weight 0.5g


Model NFP-D0408-1-3.7 NFP-D0408-2-3.7 NFP-D0408-3-3.7
Voltage 3.7V 3.7V 3.7V
Terminal Resistance 11.3Ω 9Ω 32.4Ω
No-load Speed 84000rpm 88000rpm 54000rpm
No-load Current 50mA 59mA 16mA
Stall Torque CW 0.95 g.cm CW 1.15 g.cm CW 0.53 g.cm
Stall Current 330mA 410mA 110mA
Max Output Power 0.204W 0.261W 0.073W
Max Efficiency 35% 36% 37%
Torque Constant 3.4 g.cm/A 3.3 g.cm/A 5.4 g.cm/A
Rotor Inertia <0.01 g.cm² <0.01 g.cm² <0.01 g.cm²
Weight 0.5g 0.5g 0.5g


4mm Mini Coreless Motors Outline Drawing

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