Description
- 6 V bipolar PM stepper motor with 18 step angle and 2-phase, 2-2 excitation
- Compact 20 mm diameter, 31 mm body length, 29 g weight for tight-space designs
- Holding torque 50 gfcm and detent torque 14 gfcm for stable step-by-step motion
- Low-noise operation (50 dB) with max no-load speed up to 2100 rpm
- Wide operating range 10C to +50C, ideal for stylus printers and compact automation
The BY PM Stepper Motor 20BY25-007 is a 20 mm bipolar permanent magnet stepper motor designed for compact motion-control applications such as stylus printers and other precision mechanisms. Operating at a rated voltage of 6 VDC with 2-phase, 2-2 excitation and an 18 step angle, it delivers accurate positioning and smooth, reliable step-by-step motion.
With a holding torque of 50 gfcm, detent torque of 14 gfcm, and low-noise performance (50 dB), this motor is well suited for equipment that requires consistent torque and quiet operation. A wide operating temperature range from 10C to +50C and robust insulation (Class F) help ensure dependable performance in demanding environments.
View moreWhat’s Included1 BY PM Stepper Motor 20BY25-007Dimensions
Motor diameter (body width): 20 mm
Body length: 31 mm
Overall height: 25.5 mm
Weight: 29 g
Specifications
Model number: 20BY25-007
Model type: BY Permanent Magnet Stepper Motor
Drive / rated voltage: 610% VDC / 6 V
Phase: 2
Exciting method: 2-2
Exciting mode: Bipolar
Step angle: 18
Step accuracy: 7%
Rotation: CW/CCW
Resistance: 10 7%
Inductance: 7.0 mH (typ.)
Max starting pulse rate: 500 Hz
Max response pulse rate: 700 Hz
No-load speed: 1500 rpm (max no-load speed 2100 rpm)
Holding torque: 50 gfcm
Pull-out torque: 35 gfcm (500 Hz & 6 V)
Detent torque: 14 gfcm
Noise: 50 dB
Dielectric strength: 500 VAC / 1 s, 3 mA
Insulation resistance: 100 M (500 VDC)
Insulation class: F
Operating temperature: 10C to +50C
Storage temperature: 30C to +80C
Operating humidity (non-condensing): 2090% RH
Storage humidity (non-condensing): 890% RH
Basic placement: Horizontal
Product Dimensions
Motor diameter (body width): 20 mm
Body length: 31 mm
Overall height: 25.5 mm
Weight: 29 g
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