20BY45,the stepping motor with a diameter of 20 has a stepping angle of 18degrees. Each part is made of precision molds. Therefore, compared with similar products, this product has the advantages of stable rotation, small positioning torque and high efficiency.
All metal parts such as motor casings are treated by environmentally friendly plating. The appearance is exquisite and can be used in relatively harsh environments.

Technical Features

Precision medical equipment, automatic door locks and other fields

Motor input part icon for the light, but can according to the customer demand can be changed to FPC cable, PCB and other forms

At the same time we can complete the corresponding drive system to meet customer needs!

Our team has more than 10 years experience in the design, development and production of micro motors, so we can develop and design the products according to the special needs of customers!

Customer needs is the direction of our efforts, please feel free to contact!

Typical Applications

• Medical instruments

• Precision instrument

• Robot

• Factory automation

• Game machine

• ATM equipment

• Security equipment

• Specifications

  Product Name	20 mm permanent magnet stepper motor
  Model	20BY45
  Rated Voltage	12 V DC
  Coil Resistance	100 Ω ± 7%/phase 25℃
  No. Of phase	2 Phases
  Step Angle	18 degree
  Pull-in frequency	700Hz
  Pull frequency	1000 Hz
  Pull out torque	2.35nN.m
  Holding torque	5.29mN.m
  Self-positioning torque	1.18mN.m(REF)
  inductance	22mH/phase(REF)
  Excitation method	2-2phase
  Insulation withstand voltage	No breakdown or flying fox
  Insulation dielectric strength	Above 100MΩ DC500V
  noise	No abnormal sound

  Mechanical Dimension:MM