: 200 to 4000 full steps/second (60–1200 RPM with 1/16 microstepping).
Thus, the is a NEMA 23 hybrid stepper motor rated for 9 V DC , with a phase current of 0.51 A (or possibly 5.1 A – always verify with actual datasheet). The “C” often denotes “constant torque” or “closed-loop” ready.
Providing smooth execution of fine layer gradients and pen movements. Industrial Automation:
| Parameter | Value | | :--- | :--- | | | Minebea-Matsushita Motor Corporation (NMB-MAT) | | Model | 23KM-C051-09V | | Part Number | 49-207984-000A | | Motor Type | Hybrid Stepper Motor | | Frame Size | NEMA 23 (57 mm faceplate) | | Body Length | 51 mm | | Weight | approx. 675 g (0.8 kg as sold on some marketplaces) | | Phase Current | 2.0 A per phase | | Phase Resistance | 2 Ω | | Inductance | 4.4 mH | | Voltage Ratings | Rated at 4 V (armature voltage), nominal current achieved at about 2.5–3.5 V; driver supply voltage typically 12–36 V | | Holding Torque | 9.9 kg·cm (≈ 0.98 N·m / 980 mN·m) | | Step Angle | 1.8° | | Steps per Revolution | 200 | | Step Accuracy | ±5% | | Insulation Resistance | 100 MΩ minimum at 500 VDC | | Dielectric Strength | 500 VAC for 1 minute | | Max. Temperature Rise | 80°C | | Ambient Temp. Range | -20°C … +50°C | | Wiring | 6 leads (unipolar / bipolar compatible) | | Shaft Type | Round, 6.35 mm diameter (6.35 mm / 1/4”) | | Mounting | Standard NEMA 23 mounting | 23km-c051-09v datasheet
: A+ = Black, A– = Green, B+ = Red, B– = Blue.
(pulses per second), giving it an excellent dynamic response for high-speed continuous motion. Wiring Configurations:
Whether you are building a new machine from scratch or upgrading an existing system, the 23KM-C051-09V offers proven performance at a budget‑friendly price, especially when sourced as a surplus or salvaged unit. Use the practical tuning and wiring guidance above, and you will be able to integrate this motor with confidence. : 200 to 4000 full steps/second (60–1200 RPM
A creative application is the use of this motor in automotive projects. One notable build involved using the 23KM-C051-09V as the actuator for a homemade in a Nissan Almera. In this project, an Arduino Nano and a TB6560 driver were used to control the throttle body via the stepper motor, showcasing its reliability and ease of integration.
Specifically, a discrepancy regarding a single, unaccounted-for object: a heavy, ceramic-shrouded component labeled .
| Parameter | Value | Notes | | :--- | :--- | :--- | | | Hybrid Stepper Motor | 2-phase, bipolar | | Frame Size | NEMA 23 | 57mm x 57mm flange | | Step Angle | 1.8° | Standard for 200 steps/revolution | | Steps per Revolution | 200 | Full-step resolution | | Holding Torque | 9.9 kg-cm (980 mNm) | The force required to break the motor's shaft from a standstill | | Current per Phase | 2.0 A | The maximum current for each winding | | Voltage | 9 V (Nominal) | Rated voltage based on resistance and current | | Winding Resistance | 2.0 Ω ±10% | Measured per phase | | Winding Inductance | 4.4 mH | Per phase | | Number of Wires | 6 | Factory configuration for unipolar/bipolar wiring | | Shaft Diameter | 6.35mm (1/4") | Standard round shaft | | Dynamic Torque | 869 mNm @ 600pps | Maintained torque at speed | | Insulation Resistance | >100 MΩ @ 500VDC | Electrical safety rating | | Dielectric Strength | 500 VAC for 1 min | Withstands high voltage without breaking down | | Ambient Temperature | -20°C to +50°C | Operating range | | Max. Temperature Rise | 80°C | Can get hot during operation | | Weight | ~675 g (1.5 lbs) | | | Common Manufacturers | Minebea / Astrosyn | Brand names seen on similar models | Providing smooth execution of fine layer gradients and
This “touch test” is a quick and reliable way to prevent overheating while maximizing torque.
No. The holding torque at 5V would be only ~1.7 N·m (I = 5V/1.75Ω = 2.85A). Use a proper 24-36V stepper driver.
| Phase | Resistance (Ω) | Inductance (mH) | Rated Current (A) | Voltage (V) | | :--- | :--- | :--- | :--- | :--- | | A | 1.75 | 5.7 | 5.1 | 9.0 | | B | 1.75 | 5.7 | 5.1 | 9.0 |