For L=2.3 mH, √2.3 ≈ 1.516, so suggested drive voltage ≈ 48.5V. Use a 48V power supply for optimal high-speed torque.
| Parameter | Value | Unit | | :--- | :--- | :--- | | Step Angle | 1.8 | Degrees | | Step Angle Accuracy | ±5% | % | | Resistance per Phase | 0.45 | Ω | | Inductance per Phase | 2.3 | mH | | Rated Current (Bipolar Series) | 2.5 | A | | Rated Current (Bipolar Parallel) | 5.0 | A | | Holding Torque (Bipolar Parallel) | 2.1 (≈ 297 oz-in) | Nm | | Detent Torque | 0.045 | Nm | | Rotor Inertia | 480 | g·cm² | | Dielectric Strength | 500 VAC / 1 minute | - | | Insulation Resistance | 100 MΩ (min, 500 VDC) | - | | Ambient Temperature | -20 to +50 | °C | | Temperature Rise | 80 (max, rated current) | °C | 23km-c051-09v datasheet
| Dimension | Minimum | Nominal | Maximum | Unit | | :--- | :--- | :--- | :--- | :--- | | Mounting hole spacing | 47.0 | 47.14 | 47.3 | mm | | Shaft concentricity | - | 0.025 | - | mm | | Perpendicularity of face | - | 0.08 | - | mm | For L=2
: Approximately 9.9 kg-cm (980 mNm) in bipolar configuration, which provides the necessary firmness to prevent lost steps under heavy loads. Rated Current : 2.0A per phase . Winding Resistance : Typically 2.0 Ohms per phase. Inductance : 4.4 mH . Rated Current : 2