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Stepper Motors enable precise control of rotational movement in various applications. Key attributes include Accuracy, Coil Resistance, and Current Rating (Amps). These motors are essential for new product design and prototyping, ensuring reliable performance in engineering evaluations.

What are Stepper Motors ?

Stepper Motors are electromechanical devices that convert electrical pulses into precise mechanical movement. They are commonly used in applications such as robotics, CNC machinery, and 3D printers, where accurate positioning is crucial. Important specifications for selection include Accuracy, which affects positioning precision; Current Rating (Amps), which determines the motor's power capacity; and NEMA Frame Size, which ensures compatibility with mounting systems. Procurement teams should validate lifecycle status and consider alternate-source options to mitigate sourcing risks.

Part & Mfr			Accuracy	Coil Resistance	Coil Type	Current Rating (Amps)	Diameter	Features	Length	Mounting Hole Spacing	NEMA Frame Size	Operating Temperature	Size	Step Angle	Steps per Revolution	Termination Style	Torque	Type	Voltage
20M020D1U Download Datasheet for 20M020D1U Portescap	Stock on Request Send RFQ	Price on request Price and Stock on Request	±12%	115.2 Ω	Unipolar	100 mA	0.059" (1.50mm)	Round Shaft	0.335" (8.50mm)	0.984" (25.00mm)	-	-20°C ~ 70°C	Round - 0.807" Dia (20.50mm)	18°	20	Wire Leads	1.1 / 7.77	Permanent Magnet	5VDC
SF2424-10B11 Sanyo Denki	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	6.5 Ω	Bipolar	1 A	0.197" (5.00mm)	-	0.945" (24.00mm)	1.220" (31.00mm)	-	-10°C ~ 50°C	Square - 1.654" x 1.654" (42.00mm x 42.00mm)	1.8°	200	Connector	113.30 / 800	Hybrid, Dual Shaft	24VDC
SF2424-10B41 Sanyo Denki	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	6.5 Ω	Bipolar	1 A	0.197" (5.00mm)	-	0.945" (24.00mm)	1.220" (31.00mm)	-	-10°C ~ 50°C	Square - 1.654" x 1.654" (42.00mm x 42.00mm)	1.8°	200	Connector	113.30 / 800	Hybrid	24VDC
42M048C2U Download Datasheet for 42M048C2U Portescap	Stock on Request Send RFQ	Price on request Price and Stock on Request	±6.66%	52.4 Ω	Unipolar	230 mA	0.118" (3.00mm)	Round Shaft	0.450" (11.43mm)	1.950" (49.48mm)	-	-20°C ~ 70°C	Round - 1.650" Dia (42.00mm)	7.5°	48	Wire Leads	9.4 / 66.2	Permanent Magnet	12VDC
PM20L-020-HHC3 Download Datasheet for PM20L-020-HHC3 NMB Technologies	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	13 Ω	Bipolar	400 mA	0.059" (1.50mm)	Round Shaft	0.315" (8.00mm)	1.100" (28.00mm)	-	-	Round - 0.787" Dia (20.00mm)	18°	20	Wire Leads	2.1 / 15	Permanent Magnet	24VDC
PM25L-024-HHC5 Download Datasheet for PM25L-024-HHC5 NMB Technologies	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	8 Ω	Bipolar	600 mA	0.079" (2.00mm)	Round Shaft	0.394" (10.00mm)	1.260" (32.00mm)	-	-	Round - 0.984" Dia (25.00mm)	15°	24	Wire Leads	3.7 / 26	Permanent Magnet	24VDC
SM8-F20-HHE0 Download Datasheet for SM8-F20-HHE0 NMB Technologies	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	21 Ω	Bipolar	-	0.039" (1.00mm)	Round Shaft	-	0.433" (11.00mm)	-	-10°C ~ 50°C	Round - 0.315" Dia (8.00mm)	18°	20	Through Hole	-	Permanent Magnet	5VDC
SMS6-F20-HHE2 Download Datasheet for SMS6-F20-HHE2 NMB Technologies	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	20 Ω	Bipolar	-	0.031" (0.80mm)	Round Shaft	-	-	-	-10°C ~ 50°C	Round - 0.236" Dia (6.00mm)	18°	20	Through Hole	-	Permanent Magnet	3VDC
SS2422-5041P Sanyo Denki	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	5.4 Ω	Bipolar	1 A	0.197" (5.00mm)	-	0.276" (7.00mm)	1.220" (31.00mm)	-	-10°C ~ 50°C	Square - 1.654" x 1.654" (42.00mm x 42.00mm)	1.8°	200	Wire Leads	26.34 / 186	Hybrid	24VDC
SS2502-8040P Sanyo Denki	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	5.9 Ω	Bipolar	1 A	0.197" (5.00mm)	-	0.197" (5.00mm)	1.614" (41.00mm)	-	-10°C ~ 50°C	Square - 1.969" x 1.969" (50.00mm x 50.00mm)	1.8°	200	Wire Leads	30.45 / 215	Hybrid	24VDC
PD4-140-42-SE-CAN Trinamic Motion Control GmbH	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
QSH4218-47-28-040 Trinamic Motion Control GmbH	Stock on Request Send RFQ	Price on request Price and Stock on Request	±5%	1.5 Ω	Bipolar	2.81 A	0.197" (5.00mm)	Flatted Shaft	0.945" (24.00mm)	1.220" (30.99mm)	17	-20°C ~ 50°C	Square - 1.665" x 1.665" (42.30mm x 42.30mm)	1.8°	200	Wire Leads	56.3 / 400	Hybrid	1.4VDC
23KM-K049-99V Download Datasheet for 23KM-K049-99V NMB Technologies	Stock on Request Send RFQ	Price on request Price and Stock on Request	±5%	1.7 Ω	Unipolar	2 A	0.250" (6.35mm)	Flatted Shaft	0.984" (25.00mm)	1.856" (47.14mm)	23	-10°C ~ 50°C	Square - 2.220" x 2.220" (56.40mm x 56.40mm)	1.8°	200	Wire Leads with Connector	127.47 / 900	Hybrid, Dual Shaft	24VDC
NEMA17-13-04PD-AMT112S Download Datasheet for NEMA17-13-04PD-AMT112S CUI Devices	Stock on Request Send RFQ	Price on request Price and Stock on Request	±0.2%	2.5 Ω	Bipolar	1.3 A	0.197" (5.00mm)	Integrated Encoder, Flatted Shaft	0.945" (24.00mm)	1.220" (31.00mm)	17	-20°C ~ 50°C	Square - 1.669" x 1.669" (42.40mm x 42.40mm)	1.8°	200	Connector	42 / 296.59	-	24 ~ 48VDC
SM2861-5152 Sanyo Denki	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	560 Ω	Bipolar	4 A	0.500" (12.70mm)	-	1.181" (30.00mm)	2.740" (69.60mm)	34	-10°C ~ 50°C	Square - 3.386" x 3.386" (86.00mm x 86.00mm)	1.8°	200	Wire Leads	467.3 / 3300	Hybrid	100VAC
NEMA17-19-07SD-AMT112S Download Datasheet for NEMA17-19-07SD-AMT112S CUI Devices	Stock on Request Send RFQ	Price on request Price and Stock on Request	±0.2%	1.3 Ω	Bipolar	2.1 A	0.197" (5.00mm)	Integrated Encoder, Flatted Shaft	0.945" (24.00mm)	1.220" (31.00mm)	17	-20°C ~ 50°C	Square - 1.669" x 1.669" (42.40mm x 42.40mm)	1.8°	200	Connector	83 / 586.11	-	24 ~ 48VDC
NEMA17-23-01D-AMT112S Download Datasheet for NEMA17-23-01D-AMT112S CUI Devices	Stock on Request Send RFQ	Price on request Price and Stock on Request	±0.2%	2 Ω	Bipolar	2 A	0.197" (5.00mm)	Integrated Encoder, Flatted Shaft	0.945" (24.00mm)	1.220" (31.00mm)	17	-20°C ~ 50°C	Square - 1.669" x 1.669" (42.40mm x 42.40mm)	1.8°	200	Connector	110 / 776.77	-	24 ~ 48VDC
PD57-2-1076 Trinamic Motion Control GmbH	Stock on Request Send RFQ	Price on request Price and Stock on Request	±5%	0.8 Ω	Bipolar	2.8 A	-	Integrated Controller, Flatted Shaft	-	-	23	-20°C ~ 50°C	Square - 2.362" x 2.362" (60.00mm x 60.00mm)	1.8°	200	Wire Leads with Connector	143.03 / 1010	Hybrid	2.3VDC
PD42-2-1240-TMCL Download Datasheet for PD42-2-1240-TMCL Trinamic Motion Control GmbH	Stock on Request Send RFQ	Price on request Price and Stock on Request	±5%	1.2 Ω	Bipolar	2 A	0.197" (5.00mm)	Integrated Controller, Flatted Shaft	0.945" (24.00mm)	1.220" (31.00mm)	17	-20°C ~ 50°C	Square - 1.654" x 1.654" (42.00mm x 42.00mm)	1.8°	200	Wire Leads with Connector	50.98 / 360	Hybrid	24VDC
SH1424-5241 Sanyo Denki	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1.25 Ω	Bipolar	2 A	0.197" (5.00mm)	-	0.945" (24.00mm)	1.220" (31.00mm)	-	-10°C ~ 50°C	Square - 1.654" x 1.654" (42.00mm x 42.00mm)	0.9°	400	Wire Leads	67.97 / 480	Hybrid	24VDC
PD42-2-1240-CANOPEN Download Datasheet for PD42-2-1240-CANOPEN Trinamic Motion Control GmbH	Stock on Request Send RFQ	Price on request Price and Stock on Request	±5%	1.2 Ω	Bipolar	2 A	0.197" (5.00mm)	Integrated Controller, Flatted Shaft	0.945" (24.00mm)	1.220" (31.00mm)	17	-20°C ~ 50°C	Square - 1.654" x 1.654" (42.00mm x 42.00mm)	1.8°	200	Wire Leads with Connector	50.98 / 360	Hybrid	2.4VDC
PD60-4-1260-TMCL Trinamic Motion Control GmbH	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	Bipolar	2.8 A	0.315" (8.00mm)	Integrated Controller, Flatted Shaft	0.945" (24.00mm)	1.856" (47.14mm)	24	-20°C ~ 50°C	Square - 2.362" x 2.362" (60.00mm x 60.00mm)	1.8°	200	Wire Leads with Connector	438.99 / 3100	Hybrid	6.8VDC
918 Download Datasheet for 918 Adafruit Industries LLC	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	42 Ω	Unipolar	-	0.197" (5.00mm)	Flatted Shaft	0.394" (10.00mm)	1.378" (35.00mm)	-	-	Round - 1.100" Dia (28.00mm)	11.25°	513	Wire Leads with Connector	3.5 / 25	Permanent Magnet Gear Motor	12VDC
MIKROE-1530 Download Datasheet for MIKROE-1530 MikroElektronika	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	50 Ω	Unipolar	-	0.197" (5.00mm)	Flatted Shaft	0.394" (10.00mm)	1.378" (35.00mm)	-	-	Round - 1.100" Dia (28.00mm)	0.088°	4096	Wire Leads with Connector	-	Permanent Magnet Gear Motor	5VDC
SF2421-10B11 Sanyo Denki	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	3.6 Ω	Bipolar	1 A	0.197" (5.00mm)	-	0.945" (24.00mm)	1.220" (31.00mm)	-	-10°C ~ 50°C	Square - 1.654" x 1.654" (42.00mm x 42.00mm)	1.8°	200	Connector	41.07 / 290	Hybrid, Dual Shaft	24VDC
SF2422-10B41 Sanyo Denki	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	4.6 Ω	Bipolar	1 A	0.197" (5.00mm)	-	0.945" (24.00mm)	1.220" (31.00mm)	-	-10°C ~ 50°C	Square - 1.654" x 1.654" (42.00mm x 42.00mm)	1.8°	200	Connector	60.89 / 430	Hybrid	24VDC
20M020D1B Download Datasheet for 20M020D1B Portescap	Stock on Request Send RFQ	Price on request Price and Stock on Request	±12%	20 Ω	Bipolar	250 mA	0.059" (1.50mm)	Round Shaft	0.335" (8.50mm)	0.984" (25.00mm)	-	-20°C ~ 70°C	Round - 0.807" Dia (20.50mm)	18°	20	Wire Leads	1.55 / 10.95	Permanent Magnet	5VDC
SF2423-10B41 Sanyo Denki	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	5.3 Ω	Bipolar	1 A	0.197" (5.00mm)	-	0.945" (24.00mm)	1.220" (31.00mm)	-	-10°C ~ 50°C	Square - 1.654" x 1.654" (42.00mm x 42.00mm)	1.8°	200	Connector	79.3 / 560	Hybrid	24VDC
35L048B1B Download Datasheet for 35L048B1B Portescap	Stock on Request Send RFQ	Price on request Price and Stock on Request	±15%	11 Ω	Bipolar	450 mA	0.079" (2.00mm)	Round Shaft	0.445" (11.30mm)	1.650" (42.00mm)	-	-20°C ~ 70°C	Round - 1.420" Dia (35.94mm)	7.5°	48	Wire Leads	4 / 28.25	Permanent Magnet	5VDC
PD3-113-60-SE-232 Trinamic Motion Control GmbH	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
35M048B2U Download Datasheet for 35M048B2U Portescap	Stock on Request Send RFQ	Price on request Price and Stock on Request	±15%	72 Ω	Unipolar	170 mA	0.079" (2.00mm)	Round Shaft	0.445" (11.30mm)	1.650" (42.00mm)	-	-20°C ~ 70°C	Round - 1.420" Dia (35.94mm)	7.5°	48	Wire Leads	2.6 / 18.35	Permanent Magnet	12VDC
26M048D1U Download Datasheet for 26M048D1U Portescap	Stock on Request Send RFQ	Price on request Price and Stock on Request	±15%	19.6 Ω	Unipolar	260 mA	0.079" (2.00mm)	Round Shaft	0.445" (11.30mm)	1.370" (34.90mm)	-	-20°C ~ 70°C	Round - 1.030" Dia (26.16mm)	7.5°	48	Wire Leads	1.6 / 11.3	Permanent Magnet	5VDC
FIT0349 DFRobot	Stock on Request Send RFQ	Price on request Price and Stock on Request	±5%	1.5 Ω	Bipolar	-	0.315" (8.00mm)	Flatted Shaft	0.787" (20.00mm)	1.100" (28.00mm)	17	-20°C ~ 50°C	Square - 1.654" x 1.654" (42.00mm x 42.00mm)	1.8°	-	Wire Leads	48.6 / 343.19	Hybrid Gear Motor	2.7VDC
42M100B1B Portescap	Stock on Request Send RFQ	Price on request Price and Stock on Request	±11%	12.5 Ω	Bipolar	400 mA	0.118" (3.00mm)	Round Shaft	0.450" (11.43mm)	1.950" (49.48mm)	-	-20°C ~ 70°C	Round - 1.650" Dia (42.00mm)	3.6°	100	Wire Leads	7 / 49.4	Permanent Magnet	5VDC
WO-3709V-03 Download Datasheet for WO-3709V-03 Lin Engineering	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	3 Ω	Bipolar	1.2 A	0.197" (5.00mm)	Round Shaft	0.787" (20.00mm)	1.220" (31.00mm)	14	-20°C ~ 50°C	Square - 1.440" L x 1.440" W (36.58mm x 36.58mm)	0.9°	400	Wire Leads	16 / 113	-	24VDC
PM42S-048-HHC8 Download Datasheet for PM42S-048-HHC8 NMB Technologies	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	8 Ω	Bipolar	600 mA	0.118" (3.00mm)	Round Shaft	0.472" (12.00mm)	1.950" (49.48mm)	-	-	Round - 1.650" Dia (42.00mm)	7.5°	48	Wire Leads	9.3 / 66	Permanent Magnet	24VDC
42L048D1U Download Datasheet for 42L048D1U Portescap	Stock on Request Send RFQ	Price on request Price and Stock on Request	±15%	5.2 Ω	Unipolar	960 mA	0.118" (3.00mm)	Round Shaft	0.450" (11.43mm)	1.950" (49.48mm)	-	-20°C ~ 70°C	Round - 1.650" Dia (42.00mm)	7.5°	48	Wire Leads	15.1 / 106	Permanent Magnet	5VDC
WO-4118S-04S Download Datasheet for WO-4118S-04S Lin Engineering	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	9.9 Ω	Bipolar	670 mA	0.197" (5.00mm)	Flatted Shaft	0.945" (24.00mm)	1.220" (31.00mm)	17	-20°C ~ 50°C	Square - 1.669" x 1.669" (42.40mm x 42.40mm)	1.8°	200	Wire Leads	42 / 296.59	-	24VDC
WO-4118S-04P Download Datasheet for WO-4118S-04P Lin Engineering	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.5 Ω	Bipolar	1.34 A	0.197" (5.00mm)	Flatted Shaft	0.945" (24.00mm)	1.220" (31.00mm)	17	-20°C ~ 50°C	Square - 1.669" x 1.669" (42.40mm x 42.40mm)	1.8°	200	Wire Leads	42 / 296.59	-	24VDC
QSH6018-86-28-310-10K Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ROB-13656 Download Datasheet for ROB-13656 SparkFun Electronics	Stock on Request Send RFQ	Price on request Price and Stock on Request	±5%	1.6 Ω	Bipolar	2 A	0.250" (6.35mm)	Round Shaft	0.827" (21.00mm)	1.856" (47.14mm)	23	-	Square - 2.220" x 2.220" (56.40mm x 56.40mm)	1.8°	200	Wire Leads	125 / 882.7	Hybrid	3.2VDC
WO-211-18-01-RO Download Datasheet for WO-211-18-01-RO Lin Engineering	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	7.1 Ω	Bipolar	670 mA	0.197" (5.00mm)	Round Shaft	0.787" (20.00mm)	0.906" (23.00mm)	11	-20°C ~ 50°C	Square - 1.110" x 1.110" (28.20mm x 28.20mm)	1.8°	200	Wire Leads	13.7 / 96.74	-	24VDC
103H7821-1730 Sanyo Denki	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	0.35 Ω	Bipolar	4 A	0.315" (8.00mm)	-	0.811" (20.60mm)	1.856" (47.14mm)	23	-10°C ~ 50°C	Square - 2.362" x 2.362" (60.00mm x 60.00mm)	1.8°	200	Wire Leads	124.6 / 880	Hybrid, Dual Shaft	24VDC
WO-416-07-05 Download Datasheet for WO-416-07-05 Lin Engineering	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	5.4 Ω	Bipolar	600 mA	0.197" (5.00mm)	Round Shaft	0.709" (18.00mm)	1.220" (31.00mm)	17	-20°C ~ 50°C	Square - 1.539" L x 1.539" W (39.10mm x 39.10mm)	0.9°	400	Wire Leads	8.4 / 59.31	-	24VDC
SH1421-5241 Sanyo Denki	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	0.85 Ω	Bipolar	2 A	0.197" (5.00mm)	-	0.945" (24.00mm)	1.220" (31.00mm)	-	-10°C ~ 50°C	Square - 1.654" x 1.654" (42.00mm x 42.00mm)	0.9°	400	Wire Leads	32.57 / 230	Hybrid	24VDC
PM55L-048-HHD0 Download Datasheet for PM55L-048-HHD0 NMB Technologies	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	5.5 Ω	Bipolar	600 mA	0.157" (4.00mm)	Round Shaft	0.591" (15.00mm)	2.560" (65.00mm)	-	-	Round - 2.160" Dia (55.00mm)	7.5°	48	Wire Leads	23.4 / 167	Permanent Magnet	24VDC
SS2501-8040P Sanyo Denki	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	4.5 Ω	Bipolar	1 A	0.197" (5.00mm)	-	0.197" (5.00mm)	1.614" (41.00mm)	-	-10°C ~ 50°C	Square - 1.969" x 1.969" (50.00mm x 50.00mm)	1.8°	200	Wire Leads	14.16 / 100	Hybrid	24VDC
WO-4418X-01 Download Datasheet for WO-4418X-01 Lin Engineering	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1.5 Ω	Bipolar	1.5 A	0.197" (5.00mm)	Round Shaft	0.945" (24.00mm)	1.220" (31.00mm)	17	-20°C ~ 50°C	Square - 1.669" x 1.669" (42.40mm x 42.40mm)	1.8°	200	Wire Leads	37 / 261.3	-	24VDC
WO-4418S-01 Download Datasheet for WO-4418S-01 Lin Engineering	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1.6 Ω	Bipolar	1.7 A	0.197" (5.00mm)	Round Shaft	0.945" (24.00mm)	1.220" (31.00mm)	17	-20°C ~ 50°C	Square - 1.669" x 1.669" (42.40mm x 42.40mm)	1.8°	200	Wire Leads	61 / 431	-	24VDC
QSH5718-51-28-101-10K Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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About Stepper Motors

Stepper motors are widely used in applications requiring precise control of angular position, making them ideal for robotics, CNC machinery, and 3D printers. These motors operate by dividing a full rotation into a series of discrete steps, allowing for accurate positioning and repeatability.

When sourcing stepper motors, it is crucial to consider important attributes such as accuracy, coil resistance, coil type, and current rating (amps). These specifications directly impact the motor's performance in your application. Additionally, understanding the diameter, length, and NEMA frame size will help ensure compatibility with your existing designs.

Stepper motors are utilized in various applications, including new product design and prototyping, production electronics assembly, maintenance and field replacement, and engineering evaluation and qualification. Each application may have unique requirements, so it is essential to validate lifecycle status and explore alternate-source options before submitting an RFQ.

Buyers should prioritize parametric filtering based on critical specifications to reduce sourcing risk. Confirming mechanical and electrical compatibility with existing design constraints is also vital for successful integration. By focusing on these factors, you can streamline your sourcing process and ensure you select the right stepper motor for your needs.

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Stepper Motors

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