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.
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:
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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