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.
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| 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 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
NMB Technologies
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±5% | 1.75 Ω | Unipolar | 1.9 A | 0.315" (8.00mm) | Round Shaft | 0.984" (25.00mm) | 1.856" (47.14mm) | - | -10°C ~ 50°C | Round - 2.795" Dia (71.00mm) | 1.8° | 200 | Wire Leads | 116.14 / 820 | Hybrid, Dual Shaft | 24VDC | |
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NMB Technologies
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±5% | 1.55 Ω | Unipolar | 2.2 A | 0.315" (8.00mm) | Round Shaft | 0.984" (25.00mm) | 1.856" (47.14mm) | - | -10°C ~ 50°C | Round - 2.795" Dia (71.00mm) | 1.8° | 200 | Wire Leads | 127.47 / 900 | Hybrid, Dual Shaft | 24VDC | |
NMB Technologies
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±5% | 1.55 Ω | Unipolar | 2.2 A | 0.315" (8.00mm) | Round Shaft | 0.984" (25.00mm) | 1.856" (47.14mm) | - | -10°C ~ 50°C | Round - 2.795" Dia (71.00mm) | 1.8° | 200 | Wire Leads | 127.47 / 900 | Hybrid | 24VDC | |
NMB Technologies
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±5% | 1.25 Ω | Unipolar | 2.6 A | 0.315" (8.00mm) | Round Shaft | 0.984" (25.00mm) | 1.856" (47.14mm) | - | -10°C ~ 50°C | Round - 2.795" Dia (71.00mm) | 1.8° | 200 | Wire Leads | 169.96 / 1200 | Hybrid | 24VDC | |
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±5% | 1.25 Ω | Unipolar | 2.6 A | 0.315" (8.00mm) | Round Shaft | 0.984" (25.00mm) | 1.856" (47.14mm) | - | -10°C ~ 50°C | Round - 2.795" Dia (71.00mm) | 1.8° | 200 | Wire Leads | 169.96 / 1200 | Hybrid, Dual Shaft | 24VDC | |
NMB Technologies
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±5% | 1 Ω | Unipolar | 3 A | 0.315" (8.00mm) | Round Shaft | 0.984" (25.00mm) | 1.856" (47.14mm) | - | -10°C ~ 50°C | Round - 2.795" Dia (71.00mm) | 1.8° | 200 | Wire Leads | 205.36 / 1450 | Hybrid, Dual Shaft | 24VDC | |
CUI Devices
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±0.2% | 1.9 Ω | Bipolar | 1.3 A | 0.197" (5.00mm) | Integrated Encoder | 0.791" (20.10mm) | 0.909" (23.10mm) | 11 | -20°C ~ 50°C | Square - 1.110" x 1.110" (28.20mm x 28.20mm) | 1.8° | 200 | Connector | 16.6 / 117.22 | - | 24 ~ 48VDC | |
NMB Technologies
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±5% | 1.1 Ω | Unipolar | 3 A | 0.551" (14.00mm) | Double Flatted Shaft | 1.457" (37.00mm) | 2.740" (69.60mm) | 34 | -10°C ~ 50°C | Square - 3.347" x 3.347" (85.00mm x 85.00mm) | 1.8° | 200 | Wire Leads | 354.07 / 2500 | Hybrid | 24VDC | |
NMB Technologies
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±5% | 0.45 Ω | Unipolar | 4.8 A | 0.551" (14.00mm) | Double Flatted Shaft | 1.457" (37.00mm) | 2.740" (69.60mm) | 34 | -10°C ~ 50°C | Square - 3.347" x 3.347" (85.00mm x 85.00mm) | 1.8° | 200 | Wire Leads | 354.07 / 2500 | Hybrid | 24VDC | |
NMB Technologies
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±5% | 2.8 Ω | Unipolar | 1.9 A | 0.551" (14.00mm) | Double Flatted Shaft | 1.457" (37.00mm) | 2.740" (69.60mm) | 34 | -10°C ~ 50°C | Square - 3.347" x 3.347" (85.00mm x 85.00mm) | 1.8° | 200 | Wire Leads | 354.07 / 2500 | Hybrid, Dual Shaft | 24VDC | |
NMB Technologies
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±5% | 1.1 Ω | Unipolar | 3 A | 0.551" (14.00mm) | Double Flatted Shaft | 1.457" (37.00mm) | 2.740" (69.60mm) | 34 | -10°C ~ 50°C | Square - 3.347" x 3.347" (85.00mm x 85.00mm) | 1.8° | 200 | Wire Leads | 354.07 / 2500 | Hybrid, Dual Shaft | 24VDC | |
NMB Technologies
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±5% | 0.45 Ω | Unipolar | 4.8 A | 0.551" (14.00mm) | Double Flatted Shaft | 1.457" (37.00mm) | 2.740" (69.60mm) | 34 | -10°C ~ 50°C | Square - 3.347" x 3.347" (85.00mm x 85.00mm) | 1.8° | 200 | Wire Leads | 354.07 / 2500 | Hybrid, Dual Shaft | 24VDC | |
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NMB Technologies
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- | 4.2 Ω | Unipolar | 850 mA | 0.197" (5.00mm) | Flatted Shaft | 0.787" (20.00mm) | 1.220" (31.00mm) | 17 | -10°C ~ 50°C | Square - 1.654" x 1.654" (42.00mm x 42.00mm) | 0.5° | 720 | Wire Leads | 28.33 / 200 | Hybrid Gear Motor | 24VDC | |
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NMB Technologies
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- | 4.2 Ω | Unipolar | 850 mA | 0.197" (5.00mm) | Flatted Shaft | 0.787" (20.00mm) | 1.220" (31.00mm) | 17 | -10°C ~ 50°C | Square - 1.654" x 1.654" (42.00mm x 42.00mm) | 0.25° | 1440 | Wire Leads | 56.66 / 400 | Hybrid Gear Motor | 24VDC | |
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NMB Technologies
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- | 20 Ω | Bipolar | - | 0.059" (1.50mm) | Flatted Shaft | - | - | 5 | - | Round - 0.197" Dia (5.00mm) | - | - | Through Hole | - | Permanent Magnet Gear Motor | 3VDC | |
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NMB Technologies
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- | 4.2 Ω | Unipolar | 850 mA | 0.197" (5.00mm) | Flatted Shaft | 0.787" (20.00mm) | 1.220" (31.00mm) | 17 | -10°C ~ 50°C | Square - 1.654" x 1.654" (42.00mm x 42.00mm) | 0.2° | 1800 | Wire Leads | 70.82 / 500 | Hybrid Gear Motor | 24VDC | |
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NMB Technologies
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- | 4.2 Ω | Unipolar | 850 mA | 0.197" (5.00mm) | Flatted Shaft | 0.787" (20.00mm) | 1.220" (31.00mm) | 17 | -10°C ~ 50°C | Square - 1.654" x 1.654" (42.00mm x 42.00mm) | 0.18° | 2000 | Wire Leads | 79.32 / 560 | Hybrid Gear Motor | 24VDC | |
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NMB Technologies
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- | 3.1 Ω | Unipolar | 1 A | 0.236" (6.00mm) | Flatted Shaft | 0.787" (20.00mm) | 1.220" (31.00mm) | 17 | -10°C ~ 50°C | Square - 1.654" x 1.654" (42.00mm x 42.00mm) | 0.5° | 720 | Wire Leads | 49.56 / 350 | Hybrid Gear Motor | 24VDC | |
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NMB Technologies
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- | 3.1 Ω | Unipolar | 1 A | 0.236" (6.00mm) | Flatted Shaft | 0.787" (20.00mm) | 1.220" (31.00mm) | 17 | -10°C ~ 50°C | Square - 1.654" x 1.654" (42.00mm x 42.00mm) | 0.25° | 1440 | Wire Leads | 99.1 / 700 | Hybrid Gear Motor | 24VDC | |
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NMB Technologies
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- | 4.2 Ω | Unipolar | 850 mA | 0.197" (5.00mm) | Flatted Shaft | 0.787" (20.00mm) | 1.220" (31.00mm) | 17 | -10°C ~ 50°C | Square - 1.654" x 1.654" (42.00mm x 42.00mm) | 0.1° | 3600 | Wire Leads | 113.30 / 800 | Hybrid Gear Motor | 24VDC | |
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NMB Technologies
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- | 3.1 Ω | Unipolar | 1 A | 0.236" (6.00mm) | Flatted Shaft | 0.787" (20.00mm) | 1.220" (31.00mm) | 17 | -10°C ~ 50°C | Square - 1.654" x 1.654" (42.00mm x 42.00mm) | 0.18° | 2000 | Wire Leads | 141.63 / 1000 | Hybrid Gear Motor | 24VDC | |
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NMB Technologies
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- | 3.1 Ω | Unipolar | 1 A | 0.236" (6.00mm) | Flatted Shaft | 0.787" (20.00mm) | 1.220" (31.00mm) | 17 | -10°C ~ 50°C | Square - 1.654" x 1.654" (42.00mm x 42.00mm) | 0.09° | 4000 | Wire Leads | 212.44 / 1500 | Hybrid Gear Motor | 24VDC | |
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NMB Technologies
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- | 4.2 Ω | Unipolar | 850 mA | 0.197" (5.00mm) | Flatted Shaft | 0.787" (20.00mm) | 1.220" (31.00mm) | 17 | -10°C ~ 50°C | Square - 1.654" x 1.654" (42.00mm x 42.00mm) | 0.05° | 7200 | Wire Leads | 113.30 / 800 | Hybrid Gear Motor | 24VDC | |
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NMB Technologies
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- | 3.1 Ω | Unipolar | 1 A | 0.236" (6.00mm) | Flatted Shaft | 0.787" (20.00mm) | 1.220" (31.00mm) | 17 | -10°C ~ 50°C | Square - 1.654" x 1.654" (42.00mm x 42.00mm) | 0.06° | 6000 | Wire Leads | 212.44 / 1500 | Hybrid Gear Motor | 24VDC | |
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NMB Technologies
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- | 10 Ω | Bipolar | 100 mA | 0.197" (5.00mm) | Round Shaft | 0.354" (9.00mm) | 0.787" (20.00mm) | 15 | - | Round - 0.591" Dia (15.00mm) | 0.176° | 2048 | Wire Leads | 21.2 / 150 | Permanent Magnet Gear Motor | 15VDC | |
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NMB Technologies
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- | 10 Ω | Bipolar | 350 mA | 0.157" (4.00mm) | Flatted Shaft | 0.394" (10.00mm) | 0.984" (25.00mm) | - | - | Round - 0.787" Dia (20.00mm) | 0.198° | 1818 | Wire Leads | - | Permanent Magnet Gear Motor | 10VDC | |
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NMB Technologies
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- | 4 Ω | Bipolar | 250 mA | 0.197" (5.00mm) | Double Flatted Shaft | 0.394" (10.00mm) | 1.378" (35.00mm) | - | - | Round - 0.984" Dia (25.00mm) | - | 727 | Wire Leads | 63.73 / 450 | Permanent Magnet Gear Motor | 24VDC | |
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NMB Technologies
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- | 4.2 Ω | Unipolar | 850 mA | 0.197" (5.00mm) | Flatted Shaft | 0.787" (20.00mm) | 1.220" (31.00mm) | 17 | -10°C ~ 50°C | Square - 1.654" x 1.654" (42.00mm x 42.00mm) | 0.036° | 10000 | Wire Leads | 113.30 / 800 | Hybrid Gear Motor | 24VDC | |
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NMB Technologies
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- | 4.2 Ω | Unipolar | 850 mA | 0.197" (5.00mm) | Flatted Shaft | 0.787" (20.00mm) | 1.220" (31.00mm) | 17 | -10°C ~ 50°C | Square - 1.654" x 1.654" (42.00mm x 42.00mm) | 0.018° | 20000 | Wire Leads | 113.30 / 800 | Hybrid Gear Motor | 24VDC | |
NMB Technologies
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±5% | 3.9 Ω | Unipolar | 1.9 A | 0.551" (14.00mm) | Double Flatted Shaft | 1.457" (37.00mm) | 2.740" (69.60mm) | 34 | -10°C ~ 50°C | Square - 3.347" x 3.347" (85.00mm x 85.00mm) | 1.8° | 200 | Wire Leads | 679.82 / 4800 | Hybrid | 24VDC | |
NMB Technologies
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±5% | 1.5 Ω | Unipolar | 3 A | 0.551" (14.00mm) | Double Flatted Shaft | 1.457" (37.00mm) | 2.740" (69.60mm) | 34 | -10°C ~ 50°C | Square - 3.347" x 3.347" (85.00mm x 85.00mm) | 1.8° | 200 | Wire Leads | 679.82 / 4800 | Hybrid | 24VDC | |
NMB Technologies
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±5% | 0.65 Ω | Unipolar | 4.8 A | 0.551" (14.00mm) | Double Flatted Shaft | 1.457" (37.00mm) | 2.740" (69.60mm) | 34 | -10°C ~ 50°C | Square - 3.347" x 3.347" (85.00mm x 85.00mm) | 1.8° | 200 | Wire Leads | 679.82 / 4800 | Hybrid | 24VDC | |
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- | - | Bipolar | - | 0.315" (8.00mm) | - | 0.764" (19.40mm) | 2.205" (56.00mm) | - | - | Square - 2.559" x 2.559" (65.00mm x 65.00mm) | - | - | Wire Leads | 708.05 / 5000 | Permanent Magnet Gear Motor | - | |
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Trinamic Motion Control GmbH
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±5% | 0.7 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 | 77.89 / 550 | Hybrid | 2VDC | |
NMB Technologies
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±5% | 1.5 Ω | Unipolar | 3 A | 0.551" (14.00mm) | Double Flatted Shaft | 1.457" (37.00mm) | 2.740" (69.60mm) | 34 | -10°C ~ 50°C | Square - 3.347" x 3.347" (85.00mm x 85.00mm) | 1.8° | 200 | Wire Leads | 679.82 / 4800 | Hybrid, Dual Shaft | 24VDC | |
NMB Technologies
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±5% | 0.65 Ω | Unipolar | 4.8 A | 0.551" (14.00mm) | Double Flatted Shaft | 1.457" (37.00mm) | 2.740" (69.60mm) | 34 | -10°C ~ 50°C | Square - 3.347" x 3.347" (85.00mm x 85.00mm) | 1.8° | 200 | Wire Leads | 679.82 / 4800 | Hybrid, Dual Shaft | 24VDC | |
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NMB Technologies
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- | 5.8 Ω | Unipolar | 900 mA | 0.315" (8.00mm) | Flatted Shaft | 1.260" (32.00mm) | 1.949" (49.50mm) | 24 | -10°C ~ 50°C | Square - 2.362" x 2.362" (60.00mm x 60.00mm) | 0.5° | 720 | Wire Leads | 177.04 / 1250 | Hybrid Gear Motor | 24VDC | |
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NMB Technologies
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- | 5.8 Ω | Unipolar | 900 mA | 0.315" (8.00mm) | Flatted Shaft | 1.260" (32.00mm) | 1.949" (49.50mm) | 24 | -10°C ~ 50°C | Square - 2.362" x 2.362" (60.00mm x 60.00mm) | 0.25° | 1440 | Wire Leads | 354.07 / 2500 | Hybrid Gear Motor | 24VDC | |
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NMB Technologies
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- | 5.8 Ω | Unipolar | 900 mA | 0.315" (8.00mm) | Flatted Shaft | 1.260" (32.00mm) | 1.949" (49.50mm) | 24 | -10°C ~ 50°C | Square - 2.362" x 2.362" (60.00mm x 60.00mm) | 0.18° | 2000 | Wire Leads | 424.93 / 3000 | Hybrid Gear Motor | 24VDC | |
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Molex
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NMB Technologies
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- | 5.8 Ω | Unipolar | 900 mA | 0.315" (8.00mm) | Flatted Shaft | 1.260" (32.00mm) | 1.949" (49.50mm) | 24 | -10°C ~ 50°C | Square - 2.362" x 2.362" (60.00mm x 60.00mm) | 0.09° | 4000 | Wire Leads | 495.75 / 3500 | Hybrid Gear Motor | 24VDC | |
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NMB Technologies
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- | 5.8 Ω | Unipolar | 900 mA | 0.315" (8.00mm) | Flatted Shaft | 1.260" (32.00mm) | 1.949" (49.50mm) | 24 | -10°C ~ 50°C | Square - 2.362" x 2.362" (60.00mm x 60.00mm) | 0.06° | 6000 | Wire Leads | 566.57 / 4000 | Hybrid Gear Motor | 24VDC | |
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Trinamic Motion Control GmbH
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±5% | 1.2 Ω | Bipolar | 2.8 A | - | Integrated Controller, Flatted Shaft | - | - | 24 | -20°C ~ 50°C | Square - 2.362" x 2.362" (60.00mm x 60.00mm) | 1.8° | 200 | Wire Leads with Connector | 297.38 / 2100 | Hybrid | 3.36VDC | |
Trinamic Motion Control GmbH
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±5% | 0.7 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 | 77.89 / 550 | Hybrid | 2VDC | |
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Trinamic Motion Control GmbH
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±5% | 0.7 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 | 77.89 / 550 | Hybrid | 2VDC | |
Trinamic Motion Control GmbH
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±5% | - | Bipolar | 2 A | 0.197" (5.00mm) | Integrated Controller, Flatted Shaft | 0.945" (24.00mm) | - | 17 | - | Square - 1.654" x 1.654" (42.00mm x 42.00mm) | 1.8° | 200 | Wire Leads with Connector | 31.2 / 220 | Hybrid | 24VDC | |
NMB Technologies
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±5% | 0.85 Ω | Unipolar | 4.7 A | 0.551" (14.00mm) | Double Flatted Shaft | 1.457" (37.00mm) | 2.740" (69.60mm) | 34 | -10°C ~ 50°C | Square - 3.347" x 3.347" (85.00mm x 85.00mm) | 1.8° | 200 | Wire Leads | 948.92 / 6700 | Hybrid, Dual Shaft | 24VDC |
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