NEMA17 Stepper Motor: Datasheet pdf, 1.5 A 1.8° Stepper Motor and Dimensions
STEPPER MOTOR W/ INCREMENTAL ENC
NEMA 17 is a hybrid stepping motor with a 1.8° step angle (200 steps/revolution). This article will introduce specifications, applications, dimensions, datasheet pdf, and other details about NEMA 17 stepper motor.

How to Drive Nema 17 stepper motor using A4988 Driver
What is NEMA17?
The NEMA17 stepper motor is a stepper motor with a 1.7 inch by 1.7-inch end face dimension. Available in the single and dual shaft, 1.8° step angle and 0.9° step angle, round and cut shafts, and can be customized. The driving voltage is 12-24V. The maximum speed can be as high as 2000 rpm. 3D printers, engraving machines, film cutting machines, and other applications make extensive use of this material.
NEMA17 Pinout


NEMA17 Pinout
| NO. | Pin Name | Wire Colour | Description |
| 1 | Coil 1 | Black | This motor has six wires, connected to two split windings. Black, Yellow, Green wires are part of the first winding while Red, White, and Blue are part of the secondary winding. |
| 2 | Coil 2 | Yellow | |
| 3 | Coil 3 | Green | |
| 4 | Coil 4 | Red | |
| 5 | Coil 5 | White | |
| 6 | Coil 6 | Blue |
NEMA17 Features
CUI devises AMT112S encoder + LIN Engineering stepper motor
Stepper motor with encoder for closed-loop mode when paired with a controller
Small, compact NEMA 17 frame size
Up to 110 oz-in (0.77 N-m) holding torque
Patented capacitive encoder ASIC technology
Incremental resolutions up to 4096 PPR
Resolutions programmable with AMT Viewpoint™ PC software
Digitally set zero position
Specifications
- TypeParameter
- Factory Lead Time17 Weeks
- Mounting Hole Spacing
The holes in the mounting brackets are spaced at 1 U (1.75 in. or 4.45 cm), so the router can be mounted in any rack that provides holes spaced at that distance.
1.220 (31.00mm) - CoilResistance1.3Ohm
- Voltage Rated
RATED voltage is the voltage on the nameplate - the "design point" for maximum power throughput and safe thermal operation.
24V~48VDC - Operating Temperature
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
-20°C~50°C - Series
In electronic components, the "Series" refers to a group of products that share similar characteristics, designs, or functionalities, often produced by the same manufacturer. These components within a series typically have common specifications but may vary in terms of voltage, power, or packaging to meet different application needs. The series name helps identify and differentiate between various product lines within a manufacturer's catalog.
NEMA17-AMT112S - Size / Dimension
In electronic components, the parameter "Size / Dimension" refers to the physical dimensions of the component, such as its length, width, and height. These dimensions are crucial for determining how the component will fit into a circuit or system, as well as for ensuring compatibility with other components and the overall design requirements. The size of a component can also impact its performance characteristics, thermal properties, and overall functionality within a given application. Engineers and designers must carefully consider the size and dimensions of electronic components to ensure proper integration and functionality within their designs.
Square - 1.669 x 1.669 42.40mmx42.40mm - Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Active - Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures
Not Applicable - Current Rating (Amps)
The parameter "Current Rating (Amps)" in electronic components refers to the maximum amount of electrical current that the component can safely handle without being damaged. It is typically measured in amperes (A) and is an important specification to consider when designing or selecting components for a circuit. Exceeding the current rating of a component can lead to overheating, malfunction, or even failure of the component. It is crucial to ensure that the current rating of a component matches the requirements of the circuit to prevent any potential issues and ensure reliable operation.
2.1A - Termination Style
"Termination style" in electronic components refers to the method used to connect the component to a circuit board or other electronic devices. It determines how the component's leads or terminals are designed for soldering or mounting onto the circuit board. Common termination styles include through-hole, surface mount, and wire lead terminations.Through-hole components have leads that are inserted through holes in the circuit board and soldered on the other side. Surface mount components have flat terminals that are soldered directly onto the surface of the circuit board. Wire lead terminations involve attaching wires to the component for connection.The choice of termination style depends on factors such as the type of component, the manufacturing process, and the space available on the circuit board. Different termination styles offer various advantages in terms of ease of assembly, reliability, and space efficiency in electronic designs.
Connector - Approval Agency
The parameter "Approval Agency" in electronic components refers to the organization responsible for testing and certifying that a component meets specific safety, quality, and performance standards. These agencies evaluate products to ensure compliance with industry regulations and standards, providing assurance to manufacturers and consumers. Approval from recognized agencies can enhance a component's marketability and acceptance in various applications, particularly in sectors like automotive, aerospace, and healthcare. Common approval agencies include Underwriters Laboratories (UL), International Electrotechnical Commission (IEC), and the American National Standards Institute (ANSI).
CE - Accuracy
Accuracy in electronic components refers to the degree to which a measured value agrees with the true or accepted value. It evaluates the precision of a component in providing correct output or measurement under specified conditions. High accuracy indicates minimal deviation from the actual value, while low accuracy shows significant error in measurement. This parameter is crucial in applications where precise data is essential for reliable performance and decision-making.
±0.2% - Coil Type
There are 2 different types of 'coil'; one has copper on it (IUD) and the other contains hormone (Mirena IUS). Both are over 99% effective at protecting against pregnancy.
Bipolar - Step Angle
the angle at which the rotor of a stepper motor moves when one pulse is applied to the input of the stator.
1.8° - Steps per Revolution
Steps per Revolution is a parameter commonly associated with stepper motors, which are electronic components used for precise control of movement in various devices. It refers to the number of discrete steps required for the motor to complete one full revolution. The higher the number of steps per revolution, the finer the control and precision that can be achieved in positioning and movement. This parameter is crucial for determining the resolution and accuracy of the stepper motor in applications such as robotics, 3D printers, CNC machines, and other automated systems.
200 - Torque - Holding (oz-in / mNm)
The parameter "Torque - Holding (oz-in / mNm)" in electronic components refers to the maximum amount of force that can be applied to rotate or hold a component in place without causing it to slip or move. It is typically measured in units of ounce-inches (oz-in) or millinewton-meters (mNm). This specification is important in applications where precise positioning or holding of components is required, such as in robotics, motors, and actuators. A higher torque-holding capacity indicates that the component can withstand greater forces without losing its position, ensuring reliable performance in various mechanical systems.
83 / 586.11 - Features
In the context of electronic components, the term "Features" typically refers to the specific characteristics or functionalities that a particular component offers. These features can vary depending on the type of component and its intended use. For example, a microcontroller may have features such as built-in memory, analog-to-digital converters, and communication interfaces like UART or SPI.When evaluating electronic components, understanding their features is crucial in determining whether they meet the requirements of a particular project or application. Engineers and designers often look at features such as operating voltage, speed, power consumption, and communication protocols to ensure compatibility and optimal performance.In summary, the "Features" parameter in electronic components describes the unique attributes and capabilities that differentiate one component from another, helping users make informed decisions when selecting components for their electronic designs.
Integrated Encoder, Flatted Shaft - NEMA Frame Size
NEMA (National Electrical Manufacturers Association) frame size refers to mounting only and has no direct bearing on the motor body diameter. In any standard frame number designation there are either two or three numbers.
17 - Rotor Inertia
Rotor inertia is a measure of an electric motor's resistance to changes in its rotational speed. It is determined by the mass distribution of the rotor and impacts how quickly the motor can accelerate or decelerate. A higher rotor inertia indicates that more torque is needed to change the motor's speed, affecting the performance and responsiveness of the system in which the motor is used. Rotor inertia plays a critical role in applications requiring precise speed control and dynamic performance.
1.6gcm2 - Diameter - Shaft
Diameter - Shaft refers to the measurement of the circular cross-section of a shaft used in electronic components, typically motors or actuators. This parameter is crucial for ensuring proper fit and compatibility with other mechanical elements such as bearings, gears, or housings. It influences the torque transmission capabilities and overall mechanical integrity of the device, making it a key specification in the design and selection process. The diameter is usually expressed in millimeters or inches and plays a vital role in determining load capacity and performance characteristics of the component.
0.197 (5.00mm) - Length - Shaft and Bearing
Length - Shaft and Bearing is a parameter that refers to the physical dimensions of the shaft and bearing components within an electronic device or system. The length measurement typically specifies the distance between the two components, which are crucial for supporting and enabling the rotation of moving parts such as motors, fans, or other mechanical components. This parameter is important for ensuring proper alignment, stability, and functionality of the device, as variations in the length of the shaft and bearing can impact performance and reliability. Manufacturers provide specific length measurements to help engineers and designers select compatible components for their applications.
0.945 24.00mm - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
RoHS Compliant
NEMA17 Wiring Diagram

NEMA17 Wiring Diagram
NEMA17 Applications
3D printers
Prototyping machines
Telescopes
Pick and place machines
Linear actuators
Analytical Devices and Medical Instruments and CNC machines
Equivalents for NEMA17
Nema23, Nema34, 28BYJ-48 Stepper Motor
Where to use NEMA17
CNC machines, hard drives, and linear actuators all employ NEMA17 stepper motors. The motor has six lead wires and a 12 volt rated voltage. It can be run at a lower voltage, but the torque will be reduced. These motors have a step angle of 1.8 degrees, which means they have 200 steps each revolution, and each step covers 1.8 degrees, resulting in a high level of control. These motors run on 12 volts and can produce a lot of torque. Therefore, if you are searching for a small, easy-to-use stepper motor with a lot of torque, this is the one for you.
How to use NEMA17

NEMA17 Coil Diagram
As is typical of unipolar stepper motors, the motor has six wires coupled to two split windings. Black, Yellow, and Green wires are used in the first winding, with Black serving as the center tap and Yellow and Green as coil ends, while Red, White, and Blue wires are used in the second wrapping, with White serving as the center tap and Red and Blue as coil ends. The positive supply is normally linked to the center taps of the windings (Black and White), and the two ends of each winding are alternately grounded by a driving circuit. The stator poles in the motor are arranged in the following order: A, B, A', B', as indicated in the wiring diagram.
NEMA17 Dimensions


NEMA17 Dimensions
NEMA17 Manufacturer
CUI Devices is a maker of electronic components, specializing in a growing range of product technologies. You can trace our beginnings right outside Portland, Oregon in 1989, once a part of CUI Inc. The company's historical growth in September 2019 was mostly influenced by a group of senior managers with over 15 years of average management. CUI devices have therefore been developed, giving a wide range of interconnection, audio, thermal management, movement, and sensor options.
Datasheet PDF
- Datasheets :
How does NEMA 17 work?
NEMA 17 is a hybrid stepping motor with a 1.8° step angle (200 steps/revolution). Each phase draws 1.2 A at 4 V, allowing for a holding torque of 3.2 kg-cm. NEMA 17 Stepper motor is generally used in Printers, CNC machines, and Laser Cutters.
What is the maximum speed of NEMA 17?
This motor is a larger NEMA-17 motor that produces a whopping 4800g-cm of holding torque.
How strong is a NEMA 17 motor?
This is one of the strongest bipolar Nema 17 stepper motors with 1.8 deg. step angle (200 steps/revolution). Each phase draws 2.1A, allowing for a holding torque up to 65Ncm (92oz. in).
How much current does a NEMA 17 need?
Stepper motors have a rated voltage and current. A typical stepper motor like our NEMA 17 might have a rated voltage of 2.8 Volts and a maximum current of 1.68 Amps. This basically means if you hook it up to 2.8 Volts it will draw 1.68 Amps.
What is the rpm of nema17?
600 rpm
Are all NEMA 17 motors the same?
The NEMA numbers define standard faceplate dimensions for mounting the motor. They do not define the other characteristics of a motor. Two different NEMA 17 motors may have entirely different electrical or mechanical specifications and are not necessarily interchangeable.
How fast can a NEMA 17 stepper motor go?
2000 rpm
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