Advantages

Cost effective positioning drive without encoder

High power density

Very high acceleration

Extremely fast change of direction possible

Long-lasting

Wide operating temperature range

Full-, half- and micro-stepping operation possible

Extremely low rotor inertia

Variants:

Series
DM0620SB013011

Series
DM0620SB008011

Series
DM0620SB004011

Values at 22° and nominal voltage | Value | |
---|---|---|

Nominal current per phase (both phases ON) | 0.13 A | |

Boosted current per phase (both phases ON) | 0.26 A | |

Phase resistance | 13.6 Ω | |

Phase inductance (1 kHz) | 2 mH | |

Holding torque (at nominal current in both phases) | 0.25 mNm | |

Holding torque at boosted current | 0.39 mNm | |

Residual torque, typ. | 0.03 mNm | |

Back-EMF amplitude | 0.53 V/k step/s | |

Electrical time constant | 0.15 ms | |

Rotor inertia | 0.5 ·10⁻⁹ kgm² | |

Step angle (full step) | 18 ° | |

Angular accuracy | 5 % | |

Angular acceleration, max. | 780 ·10³ rad/s² | |

Resonance frequency (at no load) | 110 Hz | |

Thermal resistance | 15 / 96.6 K/W | |

Thermal time constant | 3.2 / 120 s | |

Operating temperature range | -35 ... 70 °C | |

Winding temperature, max. | 130 °C | |

Housing material | aluminium, black anodized | |

Mass | 1.1 g | |

Magnet material | NdFeB |

Values at 22° and nominal voltage | Value | |
---|---|---|

Nominal current per phase (both phases ON) | 0.08 A | |

Boosted current per phase (both phases ON) | 0.16 A | |

Phase resistance | 30 Ω | |

Phase inductance (1 kHz) | 4.5 mH | |

Holding torque (at nominal current in both phases) | 0.25 mNm | |

Holding torque at boosted current | 0.39 mNm | |

Residual torque, typ. | 0.03 mNm | |

Back-EMF amplitude | 0.83 V/k step/s | |

Electrical time constant | 0.15 ms | |

Rotor inertia | 0.5 ·10⁻⁹ kgm² | |

Step angle (full step) | 18 ° | |

Angular accuracy | 5 % | |

Angular acceleration, max. | 780 ·10³ rad/s² | |

Resonance frequency (at no load) | 110 Hz | |

Thermal resistance | 15 / 96.6 K/W | |

Thermal time constant | 3.2 / 120 s | |

Operating temperature range | -35 ... 70 °C | |

Winding temperature, max. | 130 °C | |

Housing material | aluminium, black anodized | |

Mass | 1.1 g | |

Magnet material | NdFeB |

Values at 22° and nominal voltage | Value | |
---|---|---|

Nominal current per phase (both phases ON) | 0.04 A | |

Boosted current per phase (both phases ON) | 0.08 A | |

Phase resistance | 120 Ω | |

Phase inductance (1 kHz) | 18.5 mH | |

Holding torque (at nominal current in both phases) | 0.25 mNm | |

Holding torque at boosted current | 0.39 mNm | |

Residual torque, typ. | 0.03 mNm | |

Back-EMF amplitude | 1.6 V/k step/s | |

Electrical time constant | 0.15 ms | |

Rotor inertia | 0.5 ·10⁻⁹ kgm² | |

Step angle (full step) | 18 ° | |

Angular accuracy | 5 % | |

Angular acceleration, max. | 780 ·10³ rad/s² | |

Resonance frequency (at no load) | 110 Hz | |

Thermal resistance | 15 / 96.6 K/W | |

Thermal time constant | 3.2 / 120 s | |

Operating temperature range | -35 ... 70 °C | |

Winding temperature, max. | 130 °C | |

Housing material | aluminium, black anodized | |

Mass | 1.1 g | |

Magnet material | NdFeB |

Values at 22° and nominal voltage | Value | |
---|---|---|

Nominal current per phase (both phases ON) | 0.13 A | |

Boosted current per phase (both phases ON) | 0.26 A | |

Phase resistance | 13.6 Ω | |

Phase inductance (1 kHz) | 2 mH | |

Holding torque (at nominal current in both phases) | 0.25 mNm | |

Holding torque at boosted current | 0.39 mNm | |

Residual torque, typ. | 0.03 mNm | |

Back-EMF amplitude | 0.53 V/k step/s | |

Electrical time constant | 0.15 ms | |

Rotor inertia | 0.5 ·10⁻⁹ kgm² | |

Step angle (full step) | 18 ° | |

Angular accuracy | 5 % | |

Angular acceleration, max. | 780 ·10³ rad/s² | |

Resonance frequency (at no load) | 110 Hz | |

Thermal resistance | 15 / 96.6 K/W | |

Thermal time constant | 3.2 / 120 s | |

Operating temperature range | -35 ... 70 °C | |

Winding temperature, max. | 130 °C | |

Housing material | aluminium, black anodized | |

Mass | 1.1 g | |

Magnet material | NdFeB |

Values at 22° and nominal voltage | Value | |
---|---|---|

Nominal current per phase (both phases ON) | 0.08 A | |

Boosted current per phase (both phases ON) | 0.16 A | |

Phase resistance | 30 Ω | |

Phase inductance (1 kHz) | 4.5 mH | |

Holding torque (at nominal current in both phases) | 0.25 mNm | |

Holding torque at boosted current | 0.39 mNm | |

Residual torque, typ. | 0.03 mNm | |

Back-EMF amplitude | 0.83 V/k step/s | |

Electrical time constant | 0.15 ms | |

Rotor inertia | 0.5 ·10⁻⁹ kgm² | |

Step angle (full step) | 18 ° | |

Angular accuracy | 5 % | |

Angular acceleration, max. | 780 ·10³ rad/s² | |

Resonance frequency (at no load) | 110 Hz | |

Thermal resistance | 15 / 96.6 K/W | |

Thermal time constant | 3.2 / 120 s | |

Operating temperature range | -35 ... 70 °C | |

Winding temperature, max. | 130 °C | |

Housing material | aluminium, black anodized | |

Mass | 1.1 g | |

Magnet material | NdFeB |

Values at 22° and nominal voltage | Value | |
---|---|---|

Nominal current per phase (both phases ON) | 0.04 A | |

Boosted current per phase (both phases ON) | 0.08 A | |

Phase resistance | 120 Ω | |

Phase inductance (1 kHz) | 18.5 mH | |

Holding torque (at nominal current in both phases) | 0.25 mNm | |

Holding torque at boosted current | 0.39 mNm | |

Residual torque, typ. | 0.03 mNm | |

Back-EMF amplitude | 1.6 V/k step/s | |

Electrical time constant | 0.15 ms | |

Rotor inertia | 0.5 ·10⁻⁹ kgm² | |

Step angle (full step) | 18 ° | |

Angular accuracy | 5 % | |

Angular acceleration, max. | 780 ·10³ rad/s² | |

Resonance frequency (at no load) | 110 Hz | |

Thermal resistance | 15 / 96.6 K/W | |

Thermal time constant | 3.2 / 120 s | |

Operating temperature range | -35 ... 70 °C | |

Winding temperature, max. | 130 °C | |

Housing material | aluminium, black anodized | |

Mass | 1.1 g | |

Magnet material | NdFeB |

Recommended operation areas

Relevant for 2 phases ON only. On PWM drivers or chopper (current mode), the current is set to the nominal value and the supply voltage is typically 1.5x to 2.5x higher than the nominal voltage.

Curves measured with a load inertia of 3·10^{-9} kgm^{2}, in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

Recommended operation areas

Relevant for 2 phases ON only. On PWM drivers or chopper (current mode), the current is set to the nominal value and the supply voltage is typically 1.5x to 2.5x higher than the nominal voltage.

Curves measured with a load inertia of 3·10^{-9} kgm^{2}, in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

Recommended operation areas

Relevant for 2 phases ON only. On PWM drivers or chopper (current mode), the current is set to the nominal value and the supply voltage is typically 1.5x to 2.5x higher than the nominal voltage.

Curves measured with a load inertia of 3·10^{-9} kgm^{2}, in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

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Series
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Download

Application note

Your Choice

Selected Variant

Series
DM0620SB013011

Two phase with Disc Magnet

20 steps per revolution

20 steps per revolution

Key Features

Holding torque at boosted current:
0.39 mNm

Step angle (full step):
18 °

Diameter:
6 mm

Length:
9.5 mm

Selected Variant

Series
DM0620SB008011

Two phase with Disc Magnet

20 steps per revolution

20 steps per revolution

Key Features

Holding torque at boosted current:
0.39 mNm

Step angle (full step):
18 °

Diameter:
6 mm

Length:
9.5 mm

Selected Variant

Series
DM0620SB004011

Two phase with Disc Magnet

20 steps per revolution

20 steps per revolution

Key Features

Holding torque at boosted current:
0.39 mNm

Step angle (full step):
18 °

Diameter:
6 mm

Length:
9.5 mm