MybotOnline Nema 17 Pancake Stepper Motor 45.33oz-in 34mm 1.2A Bipolar 1.8 Degree 4-Lead for 3D Printer XYZ Axis CNC Extruder

Short Body Nema 17 42mm 2-phase 4-wire hybrid DC stepper motor, used in various types of equipment for accurate rotation angle and speed control, compact body with high torque and smooth motion, popular choice for DIY maker and 3d printer Electrical Specification: * Manufacturer Part Number: MY-17HS13-1204S* Motor Type: Bipolar Stepper * Step Angle: 1.8 deg. * Holding Torque: 45.33oz-in(32Ncm) * Rated Current/phase: 1.2A * Phase Resistance: 3.4ohms * Inductance: 5mH+/-20%(1KHz) Physical Specification: * Frame Size: 1.65 x 1.65 inches(42 x 42 mm) * Body Length: 1.34 inches(34 mm) * Shaft Diameter: ?0.197 inch(?5 mm)* Shaft Length: 0.87 inch(22 mm) * D-cut Shaft Length: 0.71 inch(18 mm) * Number of Leads: 4 * Lead Length: 39.37 inches(1000 mm)* Weight: 8.11oz(230 g) Connection: Red(A+), Blue(A-), Black(B+), Green(B-) Warning:Connecting the motor directly to a power supply can destroy the motor. Make sure the motor connect to a constant current or chopper drive controller before test.