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Variants

Stepper Motors Series DM0620

Two phase with Disc Magnet
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

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:

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)		0.13 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)		0.13 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)		0.13 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)		0.13 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)		0.08 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)		0.08 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)		0.08 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)		0.08 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)		0.04 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)		0.04 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)		0.04 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)		0.04 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 kgm², 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 kgm², 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 kgm², in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

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Datasheet

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Technical Information

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3D-CAD Files

Application note

pdf

AN 001 - Stepper motor basics

pdf

AN 002 - Reading and understanding a torque curve

pdf

AN 003 - Drivers and controllers: how to drive a stepper motor?

pdf

AN 004 - When and why using an encoder

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AN 005 - Stepper motors and Gearheads

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AN 006 - How to get a linear motion from a stepper motor?

pdf

AN 006-001 - Linear motion – Maximal axial loads

zip

AN 006 - Lead Screw

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AN 007 - Recommendations for soldering a cable on a stepper motor

pdf

AN 008 - Thermal behavior of a stepper motor

pdf

AN 009 - Choosing the proper lubricant

pdf

AN 010 - Cables and connectors options

pdf

AN 011 - Final quality control data

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AN 012 - Custom solutions (A and E number)

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AN 013 - Improving reliability: redundant stepper motor

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AN 014 - Using the stepper motor HTML animation

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AN 015 - Microstepping

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AN 020 - Large DM Steppers connection

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AN 022 - Torque and Temperature Calculator user guide

Your Choice

Selected Variant

Series DM06202R013011

Two phase with Disc Magnet
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 DM06202R008011

Two phase with Disc Magnet
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 DM06202R004011

Two phase with Disc Magnet
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

Stepper Motors Series DM0620

Two phase with Disc Magnet20 steps per revolution

Two phase with Disc Magnet
20 steps per revolution