Trumotion 3v 12 200rpm miniature motor trumotion 37 0146 miniature motor 3v voltage rating 15000rpm no load speed 12200rpm nominal speed 1 17a load current 10g cm maximum continuous torque 21mm diameter 2mm shaft diameter 35mm long 19g weight a miniature motor ideal for low voltage applications operating voltage 1 5 to 4 5vdc rotates clockwise when viewed from shaft end connection is by means of 2 8mm fast on connectors or by soldering applications include motorised toys models