High Speed 3.3V Micro DC Motor: 14000RPM No-load Speed & 2g-cm Rated Torque
Applications: Portable medical pumps, lab-on-a-chip automation, mini CNC engravers, desktop 3D printers, PTZ camera gimbals, smart lock actuators, access control mechanisms, educational robot kits, AGV steering modules, smart curtain motors, miniature valve drivers, optical lens zoom/focus systems.
Inquiry Now3.3 V Micro DC Motor Technical Specifications
Model: KC-N10-15.9-3.3V | 14000 rpm No-Load Speed | 2 g·cm Rated Torque
Standard Operating Conditions
| Parameter | Specification / Condition |
|---|---|
| Rated Voltage | 3.3 V DC (terminal voltage) |
| Rated Load (Torque) | 2 g·cm |
| Rotation Direction | CCW (viewed from output shaft side, positive voltage to positive terminal) |
| Motor Position / Mounting | Any position is permissible |
| Voltage Operating Range | DC 2.0 V – 4.0 V |
| Operating Environment | −20 °C to +60 °C, 15% to 90% RH (non-condensing) |
| Storage Environment | −20 °C to +70 °C, 15% to 75% RH (non-condensing) |
| Appearance | Surface without oxidation, scratches, or deformation |
Electrical Characteristics
| Parameter | Value / Test Condition |
|---|---|
| No-Load Current | ≤ 55 mA (at rated voltage, no load) |
| No-Load Speed | 14000 ± 10% rpm |
| Rated Load (Torque) | 2 g·cm (standard operating torque) |
| Rated Current | ≤ 170 mA (at rated voltage and 2 g·cm load) |
| Rated Speed | 9000 ± 10% rpm (at rated load 2 g·cm) |
| Starting Voltage | ≤ 0.9 V DC (direct terminal connection) |
| Insulation Resistance | ≥ 1 MΩ (at DC 100 V, between housing and terminal) |
| Stall Current (Locked Rotor) | ≤ 0.38 A (rated voltage, rotor at 2/3R position, R = resistance per phase) |
| Starting Torque | ≥ 5 g·cm (rated voltage, 0 g·cm to 2 g·cm two-point method) |
Mechanical Dimensions & Outline Drawing
Optimized Performance Characteristics
- Precise start-up response: Starting torque ≥ 5 g·cm enables reliable activation under load conditions.
- Wide voltage compatibility: Operates within DC 2.0 V – 4.0 V range, adaptable to varying power systems.
- Reliable insulation design: Insulation resistance ≥ 1 MΩ at DC 100 V, suitable for standard industrial environments.
- Consistent no-load performance: 14000 ± 10% rpm speed with current consumption ≤ 55 mA for optimized efficiency.
- Rated torque delivery: Maintains 9000 ± 10% rpm at 2 g·cm rated load with current ≤ 170 mA, ensuring predictable output.
- Stable stall current limitation: Locked rotor current ≤ 0.38 A prevents excessive stress on driver circuits.
- Extended environmental tolerance: Operating range −20 °C to +60 °C with humidity resilience (15% to 90% RH).
Integration & Application Notes
This KC-N10-15.9-3.3V micro DC motor is compatible with battery-operated mechanisms, portable medical devices, precision actuators, and consumer electronics requiring 3.3 V nominal supply.
The optimized torque-speed profile (2 g·cm rated / 5 g·cm starting) allows direct integration into gearhead assemblies or feedback control loops.
Storage conditions comply with general industrial component handling (−20 °C to +70 °C, 15% to 75% RH). All specifications validated under standard test methods.
Key Search Terms
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All specifications measured under reference ambient conditions (25 °C, 50% RH). Performance may vary based on application integration. Electrical parameters derived from standard factory test procedures.

