Stepper Motors

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Type	Coil Type	Voltage - Rated	Current Rating (Amps)	Steps per Revolution	Step Angle	Accuracy	Torque - Holding (oz-in / mNm)	Size / Dimension	NEMA Frame Size	Diameter - Shaft	Length - Shaft and Bearing	Mounting Hole Spacing	Termination Style	Operating Temperature	Coil Resistance	Features
324 STEPPER MOTOR HYBRID BIPOLAR 12V Adafruit Industries LLC	484 In Stock	1 : $20.87000 Bulk	-	Bulk	Active	Hybrid	Bipolar	12VDC	350 mA	200.0	1.8°	-	28 / 197	Square - 1.654" x 1.654" (42.00mm x 42.00mm)	17	0.197" (5.00mm)	0.945" (24.00mm)	1.220" (30.99mm)	Wire Leads	0°C ~ 50°C	35 Ohms	Flatted Shaft
QSH4218-51-10-049 STEPPER MOTOR HYBRID BIPOLAR 5V Analog Devices Inc./Maxim Integrated	939 In Stock	1 : $107.70000 Box	QMot QSH4218	Box	Active	Hybrid	Bipolar	5VDC	1 A	200.0	1.8°	±5%	69.39 / 490	Square - 1.665" x 1.665" (42.30mm x 42.30mm)	17	0.197" (5.00mm)	0.945" (24.00mm)	1.220" (30.99mm)	Wire Leads	-20°C ~ 50°C	5 Ohms	Flatted Shaft
108990003 STEPPER MOTOR PM BIPOLAR 5V Seeed Technology Co., Ltd	1,870 In Stock	1 : $7.15000 Bulk	-	Bulk	Active	Permanent Magnet Gear Motor	Bipolar	5VDC	-	2045.0	5.625°	-	5.5 / 38.8	Round - 0.945" Dia (24.00mm)	-	0.118" (3.00mm)	0.394" (10.00mm)	1.220" (31.00mm)	Wire Leads with Connector	-	25 Ohms	Flatted Shaft
FIT0503 GEARMOTOR 12V MICR METAL STEPPER DFRobot	334 In Stock	1 : $8.76000 Bulk	-	Bulk	Active	-	-	12VDC	-	-	18°	-	-	-	-	0.118" (3.00mm)	0.394" (10.00mm)	-	Wire Leads with Connector	-	30 Ohms	-
918 STEPPER MOTOR PM GEARED UNI 12V Adafruit Industries LLC	35 In Stock	1 : $7.87000 Bulk	-	Bulk	Active	Permanent Magnet Gear Motor	Unipolar	12VDC	-	513.0	11.25°	-	3.5 / 25	Round - 1.100" Dia (28.00mm)	-	0.197" (5.00mm)	0.394" (10.00mm)	1.378" (35.00mm)	Wire Leads with Connector	-	42 Ohms	Flatted Shaft

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Stepper motors are DC voltage motion actuators that move in discrete steps. Multiple sets of coils organized in groups called "phases" determine the motors armature position. Energizing each phase in sequence causes armature rotation one step at a time. With computer or microcontroller managed stepping, precise positioning and/or speed control is achieved. Steppers are selected by torque, steps per revolution, step angle, NEMA frame size, coil resistance, polarity and shaft features.