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	Diameter - Shaft	Length - Shaft and Bearing	Mounting Hole Spacing	Termination Style	Operating Temperature	Coil Resistance	Features

20M020D1U STEPPER MOTOR PM UNIPOLAR 5V Portescap	118 In Stock	1 : ¥312.76000 Bulk	20M	Bulk	Active	Permanent Magnet	Unipolar	5VDC	100 mA	20	18°	±12%	1.1 / 7.77	Round - 0.807" Dia (20.50mm)	0.059" (1.50mm)	0.335" (8.50mm)	0.984" (25.00mm)	Wire Leads	-20°C ~ 70°C	115.2 Ohms	Round Shaft
20M020D1B STEPPER MOTOR PM BIPOLAR 5V Portescap	0 In Stock Check Lead Time	1 : ¥299.26000 Bulk	20M	Bulk	Active	Permanent Magnet	Bipolar	5VDC	250 mA	20	18°	±12%	1.55 / 10.95	Round - 0.807" Dia (20.50mm)	0.059" (1.50mm)	0.335" (8.50mm)	0.984" (25.00mm)	Wire Leads	-20°C ~ 70°C	20 Ohms	Round Shaft
20M024D1U STEPPER MOTOR PM UNIPOLAR 5V Portescap	0 In Stock	Active	20M	Bulk	Active	Permanent Magnet	Unipolar	5VDC	250 mA	24	15°	±15%	1.1 / 7.77	Round - 0.807" Dia (20.50mm)	0.059" (1.50mm)	0.335" (8.50mm)	0.984" (25.00mm)	Wire Leads	-20°C ~ 70°C	20 Ohms	Round Shaft

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Stepper Motors

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.