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STN042-5 Series
● 5-Phase Hybrid Stepper Motor
● Step Angle: 0.72°
● Standard NEMA 17 Dimensions, 42x42mm
● High Torque, High Precision, High Efficiency, High Reliability
● Small Size, Smooth Movement, Low Inertia
▍Specification and Order Code
5-Phase, Bipolar (5 Leads):
| Model Name | Step Angle | Current | Resistance | Inductance | Holding Torque | Motor Length | Inertia | Mass Weight | |
| Single Shaft | Dual Shaft | Deg. | A/Phase | Ω / phase | mH / Phase | N.cm (kgf.cm) | mm | X10-7Kg.m2 | kg |
| STN042-5N-345-075S | STN042-5N-345-075D | 0.72° | 0.75 | 1.9 | 1.6 | 0.13 (1.3) | 34 | 35 | 0.21 |
| STN042-5N-345-140S | STN042-5N-345-140D | 0.72° | 1.4 | 0.65 | 0.42 | 0.13 (1.3) | 34 | 35 | 0.21 |
| STN042-5N-405-075S | STN042-5N-405-075D | 0.72° | 0.75 | 2.3 | 2.4 | 0.18 (1.8) | 40 | 54 | 0.27 |
| STN042-5N-405-140S | STN042-5N-405-140D | 0.72° | 1.4 | 0.8 | 0.7 | 0.18 (1.8) | 40 | 54 | 0.27 |
| STN042-5N-485-075S | STN042-5N-485-075D | 0.72° | 0.75 | 2.8 | 2.8 | 0.24 (2.4) | 48 | 68 | 0.35 |
| STN042-5N-485-140S | STN042-5N-485-140D | 0.72° | 1.4 | 0.75 | 0.7 | 0.24 (2.4) | 48 | 68 | 0.35 |
| STN042-5N-605-075S | STN042-5N-605-075D | 0.72° | 0.75 | 3.1 | 4.5 | 0.41 (4.1) | 60 | 110 | 0.48 |
| STN042-5N-605-140S | STN042-5N-605-140D | 0.72° | 1.4 | 0.82 | 0.82 | 0.41 (4.1) | 60 | 110 | 0.48 |
● Environmental conditions: -20 ~ +50℃
● Insulation resistance: 100MΩ Min（at DC500V）
● Permissible temperature rise: 80℃ Max（Resistance method）
★ Note: Do not allow the surface temperature of the motor case to exceed 90℃ during operation.
★ Size and electrical parameters can be customized
★ Optional items: Encoder & Brakes can be chosen and installed
▍Wiring Diagram
5-Phase, Bipolar (5 Leads)
▍Dimension
