This gearmotor is a miniature 24 x 12 x 10mm, low-current brushed DC motor with 379.17:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 9.3mm long, 3 mm-diameter D-shaped output shaft.
Key specs at 6 V: 36 RPM and 20 mA free-run, 2.9kg.cm (40 oz-in) and 0.36 A stall.
Note: Stalling or overloading gearmotors can greatly decrease their lifetimes and even result in immediate damage. The recommended upper limit for instantaneous torque is 2.5 kg-cm (35 oz-in) for the 380:1 and 1000:1 gearboxes, and 2 kg-cm (25 oz-in) for all the other gear ratios; . Stalls can also result in rapid (potentially on the order of seconds) thermal damage to the motor windings and brushes, especially for the versions that use high-power (HP and HPCB) motors; a general recommendation for brushed DC motor operation is 25% or less of the stall current.
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