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Variants

Stepper Motors Series AM1524

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current:

10 mNm

Step angle (full step):

15 °

Diameter:

15 mm

Length:

16.4 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)		0.45 A
Boosted current per phase (both phases ON)		0.9 A
Phase resistance		3.6 Ω
Phase inductance (1 kHz)		1.9 mH
Holding torque (at nominal current in both phases)		6 mNm
Holding torque at boosted current		10 mNm
Residual torque, typ.		0.51 mNm
Back-EMF amplitude		2.4 V/k step/s
Electrical time constant		0.5 ms
Rotor inertia		45 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy, typ.		10 %
Angular acceleration, max.		222 ·10³ rad/s²
Resonance frequency (at no load)		60 Hz
Thermal resistance		12.9 / 31.6 K/W
Thermal time constant		6 / 350 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		12 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.45 A
Boosted current per phase (both phases ON)		0.9 A
Phase resistance		3.6 Ω
Phase inductance (1 kHz)		1.9 mH
Holding torque (at nominal current in both phases)		6 mNm
Holding torque at boosted current		10 mNm
Residual torque, typ.		0.51 mNm
Back-EMF amplitude		2.4 V/k step/s
Electrical time constant		0.5 ms
Rotor inertia		45 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy, typ.		10 %
Angular acceleration, max.		222 ·10³ rad/s²
Resonance frequency (at no load)		60 Hz
Thermal resistance		12.9 / 31.6 K/W
Thermal time constant		6 / 350 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		12 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.45 A
Boosted current per phase (both phases ON)		0.9 A
Phase resistance		3.6 Ω
Phase inductance (1 kHz)		1.9 mH
Holding torque (at nominal current in both phases)		6 mNm
Holding torque at boosted current		10 mNm
Residual torque, typ.		0.51 mNm
Back-EMF amplitude		2.4 V/k step/s
Electrical time constant		0.5 ms
Rotor inertia		45 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy, typ.		10 %
Angular acceleration, max.		222 ·10³ rad/s²
Resonance frequency (at no load)		60 Hz
Thermal resistance		12.9 / 31.6 K/W
Thermal time constant		6 / 350 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		12 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.45 A
Boosted current per phase (both phases ON)		0.9 A
Phase resistance		3.6 Ω
Phase inductance (1 kHz)		1.9 mH
Holding torque (at nominal current in both phases)		6 mNm
Holding torque at boosted current		10 mNm
Residual torque, typ.		0.51 mNm
Back-EMF amplitude		2.4 V/k step/s
Electrical time constant		0.5 ms
Rotor inertia		45 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy, typ.		10 %
Angular acceleration, max.		222 ·10³ rad/s²
Resonance frequency (at no load)		60 Hz
Thermal resistance		12.9 / 31.6 K/W
Thermal time constant		6 / 350 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		12 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.25 A
Boosted current per phase (both phases ON)		0.5 A
Phase resistance		12.5 Ω
Phase inductance (1 kHz)		6.3 mH
Holding torque (at nominal current in both phases)		6 mNm
Holding torque at boosted current		10 mNm
Residual torque, typ.		0.51 mNm
Back-EMF amplitude		4.4 V/k step/s
Electrical time constant		0.5 ms
Rotor inertia		45 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy, typ.		10 %
Angular acceleration, max.		222 ·10³ rad/s²
Resonance frequency (at no load)		60 Hz
Thermal resistance		12.9 / 31.6 K/W
Thermal time constant		6 / 350 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		12 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.25 A
Boosted current per phase (both phases ON)		0.5 A
Phase resistance		12.5 Ω
Phase inductance (1 kHz)		6.3 mH
Holding torque (at nominal current in both phases)		6 mNm
Holding torque at boosted current		10 mNm
Residual torque, typ.		0.51 mNm
Back-EMF amplitude		4.4 V/k step/s
Electrical time constant		0.5 ms
Rotor inertia		45 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy, typ.		10 %
Angular acceleration, max.		222 ·10³ rad/s²
Resonance frequency (at no load)		60 Hz
Thermal resistance		12.9 / 31.6 K/W
Thermal time constant		6 / 350 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		12 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.25 A
Boosted current per phase (both phases ON)		0.5 A
Phase resistance		12.5 Ω
Phase inductance (1 kHz)		6.3 mH
Holding torque (at nominal current in both phases)		6 mNm
Holding torque at boosted current		10 mNm
Residual torque, typ.		0.51 mNm
Back-EMF amplitude		4.4 V/k step/s
Electrical time constant		0.5 ms
Rotor inertia		45 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy, typ.		10 %
Angular acceleration, max.		222 ·10³ rad/s²
Resonance frequency (at no load)		60 Hz
Thermal resistance		12.9 / 31.6 K/W
Thermal time constant		6 / 350 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		12 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.25 A
Boosted current per phase (both phases ON)		0.5 A
Phase resistance		12.5 Ω
Phase inductance (1 kHz)		6.3 mH
Holding torque (at nominal current in both phases)		6 mNm
Holding torque at boosted current		10 mNm
Residual torque, typ.		0.51 mNm
Back-EMF amplitude		4.4 V/k step/s
Electrical time constant		0.5 ms
Rotor inertia		45 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy, typ.		10 %
Angular acceleration, max.		222 ·10³ rad/s²
Resonance frequency (at no load)		60 Hz
Thermal resistance		12.9 / 31.6 K/W
Thermal time constant		6 / 350 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		12 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.15 A
Boosted current per phase (both phases ON)		0.3 A
Phase resistance		35 Ω
Phase inductance (1 kHz)		16.5 mH
Holding torque (at nominal current in both phases)		6 mNm
Holding torque at boosted current		10 mNm
Residual torque, typ.		0.51 mNm
Back-EMF amplitude		7.2 V/k step/s
Electrical time constant		0.5 ms
Rotor inertia		45 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy, typ.		10 %
Angular acceleration, max.		222 ·10³ rad/s²
Resonance frequency (at no load)		60 Hz
Thermal resistance		12.9 / 31.6 K/W
Thermal time constant		6 / 350 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		12 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.15 A
Boosted current per phase (both phases ON)		0.3 A
Phase resistance		35 Ω
Phase inductance (1 kHz)		16.5 mH
Holding torque (at nominal current in both phases)		6 mNm
Holding torque at boosted current		10 mNm
Residual torque, typ.		0.51 mNm
Back-EMF amplitude		7.2 V/k step/s
Electrical time constant		0.5 ms
Rotor inertia		45 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy, typ.		10 %
Angular acceleration, max.		222 ·10³ rad/s²
Resonance frequency (at no load)		60 Hz
Thermal resistance		12.9 / 31.6 K/W
Thermal time constant		6 / 350 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		12 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.15 A
Boosted current per phase (both phases ON)		0.3 A
Phase resistance		35 Ω
Phase inductance (1 kHz)		16.5 mH
Holding torque (at nominal current in both phases)		6 mNm
Holding torque at boosted current		10 mNm
Residual torque, typ.		0.51 mNm
Back-EMF amplitude		7.2 V/k step/s
Electrical time constant		0.5 ms
Rotor inertia		45 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy, typ.		10 %
Angular acceleration, max.		222 ·10³ rad/s²
Resonance frequency (at no load)		60 Hz
Thermal resistance		12.9 / 31.6 K/W
Thermal time constant		6 / 350 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		12 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.15 A
Boosted current per phase (both phases ON)		0.3 A
Phase resistance		35 Ω
Phase inductance (1 kHz)		16.5 mH
Holding torque (at nominal current in both phases)		6 mNm
Holding torque at boosted current		10 mNm
Residual torque, typ.		0.51 mNm
Back-EMF amplitude		7.2 V/k step/s
Electrical time constant		0.5 ms
Rotor inertia		45 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy, typ.		10 %
Angular acceleration, max.		222 ·10³ rad/s²
Resonance frequency (at no load)		60 Hz
Thermal resistance		12.9 / 31.6 K/W
Thermal time constant		6 / 350 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		12 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.075 A
Boosted current per phase (both phases ON)		0.15 A
Phase resistance		145 Ω
Phase inductance (1 kHz)		70.6 mH
Holding torque (at nominal current in both phases)		6 mNm
Holding torque at boosted current		10 mNm
Residual torque, typ.		0.51 mNm
Back-EMF amplitude		14.7 V/k step/s
Electrical time constant		0.5 ms
Rotor inertia		45 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy, typ.		10 %
Angular acceleration, max.		222 ·10³ rad/s²
Resonance frequency (at no load)		60 Hz
Thermal resistance		12.9 / 31.6 K/W
Thermal time constant		6 / 350 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		12 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.075 A
Boosted current per phase (both phases ON)		0.15 A
Phase resistance		145 Ω
Phase inductance (1 kHz)		70.6 mH
Holding torque (at nominal current in both phases)		6 mNm
Holding torque at boosted current		10 mNm
Residual torque, typ.		0.51 mNm
Back-EMF amplitude		14.7 V/k step/s
Electrical time constant		0.5 ms
Rotor inertia		45 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy, typ.		10 %
Angular acceleration, max.		222 ·10³ rad/s²
Resonance frequency (at no load)		60 Hz
Thermal resistance		12.9 / 31.6 K/W
Thermal time constant		6 / 350 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		12 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.075 A
Boosted current per phase (both phases ON)		0.15 A
Phase resistance		145 Ω
Phase inductance (1 kHz)		70.6 mH
Holding torque (at nominal current in both phases)		6 mNm
Holding torque at boosted current		10 mNm
Residual torque, typ.		0.51 mNm
Back-EMF amplitude		14.7 V/k step/s
Electrical time constant		0.5 ms
Rotor inertia		45 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy, typ.		10 %
Angular acceleration, max.		222 ·10³ rad/s²
Resonance frequency (at no load)		60 Hz
Thermal resistance		12.9 / 31.6 K/W
Thermal time constant		6 / 350 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		12 g
Magnet material		NdFeB

Values at 22° and nominal voltage		Value
Nominal current per phase (both phases ON)		0.075 A
Boosted current per phase (both phases ON)		0.15 A
Phase resistance		145 Ω
Phase inductance (1 kHz)		70.6 mH
Holding torque (at nominal current in both phases)		6 mNm
Holding torque at boosted current		10 mNm
Residual torque, typ.		0.51 mNm
Back-EMF amplitude		14.7 V/k step/s
Electrical time constant		0.5 ms
Rotor inertia		45 ·10⁻⁹ kgm²
Step angle (full step)		15 °
Angular accuracy, typ.		10 %
Angular acceleration, max.		222 ·10³ rad/s²
Resonance frequency (at no load)		60 Hz
Thermal resistance		12.9 / 31.6 K/W
Thermal time constant		6 / 350 s
Operating temperature range		-35 ... 70 °C
Winding temperature, max.		130 °C
Housing material		aluminium, black anodized
Mass		12 g
Magnet material		NdFeB

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 2.5 to 5x higher than the nominal voltage.

Curves measured with a load inertia of 50·10^-9 kgm², in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

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 2.5 to 5x higher than the nominal voltage.

Curves measured with a load inertia of 50·10^-9 kgm², in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

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 2.5 to 5x higher than the nominal voltage.

Curves measured with a load inertia of 50·10^-9 kgm², in half-step mode for the “1 x nominal voltage” curve, in 1/4 microstepping mode for the other curves.

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 2.5 to 5x higher than the nominal voltage.

Curves measured with a load inertia of 50·10^-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

pdf

AN 005 - Stepper motors and Gearheads

zip

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

zip

AN 006 - Lead Screw

pdf

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

pdf

AN 012 - Custom solutions (A and E number)

pdf

AN 013 - Improving reliability: redundant stepper motor

zip

AN 014 - Using the stepper motor HTML animation

pdf

AN 015 - Microstepping

pdf

AN 020 - Large DM Steppers connection

zip

AN 022 - Torque and Temperature Calculator user guide

Your Choice

Selected Variant

Series AM15242R045055

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current: 10 mNm

Step angle (full step): 15 °

Diameter: 15 mm

Length: 16.4 mm

Selected Variant

Series AM15242R025055

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current: 10 mNm

Step angle (full step): 15 °

Diameter: 15 mm

Length: 16.4 mm

Selected Variant

Series AM15242R015055

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current: 10 mNm

Step angle (full step): 15 °

Diameter: 15 mm

Length: 16.4 mm

Selected Variant

Series AM15242R007555

Two phase, 24 steps per revolution

Key Features

Holding torque at boosted current: 10 mNm

Step angle (full step): 15 °

Diameter: 15 mm

Length: 16.4 mm