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 | 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 |
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Application note