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Stepper Motor Data

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Stepper Description
Model FMD 02700 B4
Manufacturer Matsushita
Drive method bipolar
Number of phases 2
Winding colours red-blue, white-yellow
Step angle°/step18?
VoltageV5?
CurrentA/phase0.1?
Winding resistanceohm/phase50
InductancemH/phase-
Holding torquemN*m-
Detent torquemN*m-
Rotor inertiag*cm*cm-
Weightg-
Insulation Class -
Insulation resistance -
Dielectric strength -
Operating temperature range°C-
Allowable temperature rise°-



Examples

Head positioning motors extracted from 5.25″ floppy drives :

Licensed PD by https://commons.wikimedia.org/wiki/User:Inductiveload

Suggested controller that could power these motors. But even if the output current and voltage of the chips is sufficient, at least diodes to protect the outputs from back EMF (when switching the motor windings) is needed.