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NEMA 17 Yunkong stepper motor
stepper motor
stepper motor

NEMA 17 Yunkong stepper motor

high efficiency,low speed.high precision
Product Detail

Technical Parameter



Step Angle Accuracy

±5% (full step, no load)

Resistance Accuracy


Inductance Accuracy


Temperature Rise

80°C MAX.(rated current,2 phase on)

Ambient Temperature


Insulation Resistance

100MΩMin.@ 500VDC

Dielectric Strength

one minute @ 500VAC·5mA

Shaft Radial Play0.06Max.@450g
Sahft Axial Play0.08Max.@450g

Technical Specification

Size: 42 mm square × 95 mm, not including the shaft

Weight: 380g

Shaft diameter: 8mm

Current rating: 2A per phase

Voltage rating: 2.2 V

Resistance: 1.1 Ω ±0.1 per phase

Holding torque: 70kg-cm

Inductance: 1.1 mH ±20%



Stepper Motor Application

Stepper motors are generally used in a variety of applications where precise position control is desirable and the cost or complexity of a feedback control system is unwarranted. Here are a few applications where stepper motors are often found:


CNC machines

3D printer/prototyping machines (e.g. RepRap)

Laser cutters

Pick and place machines

Linear actuators

Hard drives

Medical equipment



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