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NEMA 17 Stepper Motor (42mm), 1.8°, 2-Phase Unipolar

  • Cost-Effective Automation: Provides a torque range of 0.1-0.3 Nm, offering a reliable and budget-friendly solution for lightweight motion control.
  • Simple Drive & Control: The standard 2-phase unipolar design allows for straightforward and economical driver circuitry, simplifying system integration.
  • Compact Standard Design: Built to the universal NEMA 17 standard (42mm frame) for easy installation in a wide range of equipment.
  • Proven Application Fit: Ideally suited for cost-sensitive applications in ATM mechanisms, textile equipment, and printing machines.

Motor Specifications

Model Current Resistance Inductance Holding torque Inertia Length Weight
A Ω±10% mH±20% N.m OZ.in g/cm² mm Max Kg Lbs
SD42H235-1206 1.2 2.4 2 0.17 24.07 35 35 0.24 0.53
SD42H241-1206 1.2 3 3 0.28 39.65 54 41 0.3 0.66
SD42H249-1206 1.2 3.7 4.1 0.33 46.73 77 49 0.36 0.79

 

Economical and Simplified Motion Solution

This NEMA 17 unipolar stepper motor is engineered for applications where cost-effectiveness and design simplicity are key. With a torque output of 0.1-0.3 Nm and a standard 1.8° step angle, it delivers reliable performance for basic automation tasks without the complexity of higher-end drives.

Core Advantages

  • Simplified Integration: The unipolar winding design is compatible with simple, low-cost driver modules, reducing overall system expense and speeding up development.
  • Adequate Power for Light Duties: Generates sufficient torque to reliably actuate mechanisms in ATMs (e.g., card readers), control guides in textile equipment, and drive feeders in desktop printers.
  • Standardized Footprint: The NEMA 17 (42mm) frame ensures this motor is a drop-in solution for a vast ecosystem of existing designs and mounting hardware.

DIMENSION(UNIT:MM)

 

TORQUE-FREQUENCY CURVE

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