BLDC MotorKinmore KAE1625 outer-rotor brushless DC motor · Ø16 mm
KAE1625H-02A
4.65 W, 3.7 V Ø16 mm BLDC motor from Kinmore: 0.00225 N·m rated at 19905 rpm.
Manufacturer datasheet: Kinmore · KAE1625H-02A ↗ (checked 2026-10-18)Maker profile & contacts →
Figures are copied from the maker’s published datasheet; curves are calculated from them. Confirm with the manufacturer before ordering. Not stated on the datasheet, estimated from it: torque constant (fitted to the rated point), resistance (fitted to the rated point), inductance, rotor inertia, weight, insulation class, IP rating.
How this motor is made
Full manufacturing overview: 70 mm Outer-rotor BLDC Motor →Ø16 mm frame; built with the same process as the 70 mm outer-rotor reference series.
- 1. Stator lamination stamping & interlocking
- 2. Stator powder coating
- 3. Outer-stator winding
- 4. Terminal soldering
- 5. Stator in-process test
- 6. Trickle impregnation (optional)
- 7. Stator mounting & Hall board
- 8. Rotor cup assembly
- 9. Magnetizing
- 10. Rotor balancing
- 11. Final assembly
- 12. End-of-line test
Export certification: Low-voltage motor without electronics
- Rated power
- 4.69 W
- Rated torque
- 0.00225 N·m
- Rated speed
- 19,905 rpm
- Rated efficiency
- 56.3 %
Performance curves
Right axis:
SpeedEfficiency (right axis)
Calculated with the linear DC-motor model (constant 3.7 V supply, ignoring resistance rise with temperature).
Full specifications
General
- Motor type
- BLDC Motor
- Series
- Kinmore KAE1625 outer-rotor brushless DC motor
- Frame / flange
- Ø16 mm
Rated Values
- Rated voltage
- 3.7 V
- Rated power
- 4.69 W
- Rated torque
- 0.00225 N·m
- Rated speed
- 19,905 rpm
- Rated current
- 2.25 A
Performance
- Stall torque
- 0.0198 N·m
- No-load speed
- 22,460 rpm
- Rated efficiency
- 56.3 %
- Peak efficiency
- 59.3 %
Electrical
- Torque constant Kt
- 0.00149 N·m/A
- Back-EMF constant Ke
- 0.156 V/krpm
- Resistance
- 0.264 Ω
- Inductance
- 0.396 mH
- No-load current
- 0.74 A
- Stall current
- 14 A
- Electrical time constant
- 1.5 ms
Mechanical
- Body length
- 23 mm
- Shaft diameter
- 1.5 mm
- Weight
- 0.02 kg
- Power density
- 235 W/kg
- Protection
- IP40
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