micro 15mm stepper motor 2-phase 4-wire small extended type step motor large torque step angle 18 degrees for car accessories

15MM micro stepper motor, two-phase four-wire extended type, is twice as long as the ordinary 15MM stepper motor, and the torque should also be doubled.

This batch of stepper motors are purchased from auto parts. We don't know the purpose of it yet.

Test data:

Motor diameter: 14.7 MM

Motor length: 22.6 MM

Motor shaft diameter: 1.5 MM (with copper gear on it)

Output shaft length: 7.5 MM

Wiring mode: two-phase four-wire (Red line: A+, white line: A-; black line: B+, yellow line: B-)

Phase resistance: 6.6 ohm

5V short circuit current: 0.7 A

Step angle: 18 degrees

Weight: 20.5 grams