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BY PM Stepper Motor 20BY25-007A
BY PM Stepper Motor 20BY25-007A

The 20BY25-007A is a high-torque BY PM stepper motor delivering 35 gf·cm rated torque with an 18° step angle, operating at 6 VDC, designed for compact positioning applications requiring increased torque and stable low-speed performance.

Why Choose This BY PM Motor

  • Higher torque output in a compact 20 mm frame
  • Stable low-speed performance for controlled positioning
  • Simple 2-phase drive with 2–2 excitation
  • Robust construction for increased durability
  • Insulation Class F for improved thermal endurance

Where This BY PM Motor Is Used

  • Compact industrial actuators
  • Control knobs and adjustment mechanisms
  • Small automation and positioning devices
  • Instrumentation and measurement equipment
  • Light industrial motion-control systems

Contact us for pricing, full technical details, and available customization options.

BY PM Stepper Motor 20BY25-007A

BY PM Stepper Motor 20BY25-007A is engineered for applications requiring higher torque at low to moderate speeds, stable stepping performance, and durable mechanical integration. The motor adopts a 2-phase permanent magnet structure with a 2–2 exciting method and an 18° step angle, delivering dependable positioning performance with straightforward control.

Key electrical and mechanical characteristics include:

  • Rated Voltage: 6 VDC
  • Rated Torque: 35 gf·cm
  • Phase: 2
  • Exciting Method: 2–2
  • Step Angle: 18°
  • No-load Speed: 1500 RPM
  • Phase Resistance: 10 Ω
  • Dielectric Strength: 500 VDC
  • No-load Pull-out Frequency: ≥ 700 Hz
  • No-load Pull-in Frequency: ≥ 500 Hz
  • Temperature Rise: 115 °C
  • Insulation Class: F
  • Noise Level: ≤ 50 dB
  • Operating Temperature: −10 °C to +50 °C
  • Outer Diameter: 20 mm
  • Height: 18.5 mm
  • Weight: 29 g

The 20BY25-007A is well suited for compact systems that require higher torque output, stable low-speed operation, and long-term reliability.

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