Sonic Motor

Constar Sonic Motor, featuring novel design and ingenious structure, was granted a national patent. It is characterized by low noise, high frequency, high torque, long lifetime, and mainly used in electric toothbrush.

Series Dimension




Terminal resistance


Operating frequency


No-Load Current


Load Current


1839ZDF Φ18*38.8 3.6 3.0 220~330 180 60mA±20%
2038ZDF Φ20*38.3 3.7 3.2 230~330 90 400mA±20%