| Values at 22° and nominal voltage | Value | |
|---|---|---|
| Nominal current per phase (both phases ON) | 1 A | |
| Boosted current per phase (both phases ON) | 2 A | |
| Phase resistance | 3.8 Ω | |
| Phase inductance (1 kHz) | 2.3 mH | |
| Holding torque (at nominal current in both phases) | 307 mNm | |
| Holding torque at boosted current | 581 mNm | |
| Residual torque, typ. | 10 mNm | |
| Back-EMF amplitude | 4.4 V/k step/s | |
| Electrical time constant | 0.6 ms | |
| Rotor inertia | 363 ·10⁻⁷ kgm² | |
| Step angle (full step) | 1.8 ° | |
| Angular accuracy, typ. | 5 % | |
| Angular acceleration, max. | 16 ·10³ rad/s² | |
| Resonance frequency (at no load) | 15 Hz | |
| Thermal resistance | 1.4 / 6.9 K/W | |
| Thermal time constant | 16 / 1000 s | |
| Operating temperature range | -30 ... 70 °C | |
| Winding temperature, max. | 130 °C | |
| Housing material | aluminium, black anodized | |
| Mass | 218 g | |
| Magnet material | NdFeB | |


Download
Application note