NEMA 17 Double Layer Linear Stepper Motor 12V With Precision Positioning
The double-layer stepper motor can achieve precise rotation and position control.
Double layer linear motors are widely used in the field of automation control.
Features:
 			Step Angel |  			 			1.8 ° |  		
 			Fram Size |  			 			42 mm |  		
 			Number of Phase |  			 			2 Phase |  		
 			Rated Current |  			 			0.4 A |  		
 			Holding Torque |  			 			280 mN.m |  		
 			Resistance |  			 			30 ohm |  		
 			Inductance |  			 			37 mH |  		
 			Rotor Inertia38 |  			 			g-cm² |  		
 			Motor weight |  			 			0.4 kg |  		
 			Number of leads |  			 			4 |  		
 			Connection |  			 			Bipolar |  		


Step Angle: 1.8°
Maximum Temperature :80°C maximum
Ambient Temperature: -20 °C to 50°C
Storage Temperature -20: °C to 100°C
Humidity Range (%) :85% or less, non-condensing
Magnet Wire Insulation :Class B 130 deg C
Insulation Resistance :100M Ohm at 500 VDC
Dielectric Strength :500 VDC for 1 min
| Model | Holding Torque | Step Angle | Motor Length | Type of Shaft | Rated Current | 
| 42SHD4950 | 0.13N.m | 1.8° | 20mm | D Shaft-20mm | 1.0A | 
| 42SHD4003 | 0.26N.m | 1.8° | 34mm | D Shaft-20mm | 0.4A | 
| 42SHD0261 | 0.45N.m | 1.8° | 40mm | D Shaft-20mm | 1.68A | 
| 42SHD4425 | 0.59N.m | 1.8° | 48mm | D Shaft-24mm | 2.0A | 
| 42SHD4813 | 0.8N.m | 1.8° | 60mm | D Shaft-24mm | 2.1A | 
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 			Encoder |  			 			Brake |  			 			Gearbox |  			 			Shaft |  		
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