Yancheng Weigu Intelligent Technology Co., Ltd.
                                                                                                           
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5 Years
Since 2021
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20BY45 20mm Stepper Motor 18° Step Angle 12V DC for CNC Printers and Lab Equipment

Price Negotiable
Price: $1-$3/unit
MOQ: 1
Delivery Time: 15-30 work days
Brand: WEIGU
Product Description
High-Performance 20mm Stepper Motor
This 20BY45 model 20mm stepper motor features an 18° step angle and 12V DC operation, delivering exceptional precision and reliability for demanding applications.
Product Overview
Engineered with precision-molded components, this stepper motor provides smoother rotation, reduced positioning torque, and enhanced operational efficiency compared to standard alternatives. The eco-friendly plating on all metal components ensures both superior corrosion resistance and professional aesthetics.
Key Features
  • 18° step angle for precise positioning control
  • 12V DC rated voltage with 100Ω ±7% coil resistance
  • High torque output: 5.29mN.m holding torque
  • Dual-phase excitation with 700Hz pull-in frequency
  • Robust construction with environmental protection plating
  • Flexible connectivity options including FPC cables and PCBs
  • Complete drive system integration available
Technical Specifications
Parameter Specification
Model 20BY45
Rated Voltage 12V DC
Coil Resistance 100 Ω ± 7%/phase at 25℃
Number of Phases 2 Phases
Step Angle 18 degrees
Pull-in Frequency 700Hz
Pull Frequency 1000Hz
Pull Out Torque 2.35mN.m
Holding Torque 5.29mN.m
Self-positioning Torque 1.18mN.m (REF)
Inductance 22mH/phase (REF)
Excitation Method 2-2 phase
Insulation Dielectric Strength Above 100MΩ DC500V
Mechanical Dimensions
20BY45 20mm stepper motor mechanical dimensions diagram showing precise measurements
Applications
Ideal for CNC printers, laboratory equipment, precision medical devices, automatic door locks, and other applications requiring reliable positioning control.
Custom Solutions
With over 10 years of experience in micro-motor design and development, we offer custom solutions tailored to your specific requirements, including complete drive system integration.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Yancheng Weigu Intelligent Technology Co., Ltd.
Location No. 108-1, Chengxiang East Road, Dagang Town, Yancheng City, Yandu District, Jiangsu Province
Contact Person li

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