Description
Nema 10 micro stepper motor works at 2-phase DC 6V/ 24V. Rated current 0.2Amp/0.35Amp, resistance 10~18Ω, optional stepping angle 7.5°/15°. Miniature stepper motor for sale, with metal gear and bipolar drive, factory price.
Specification Datasheet
| Model | ATO-SM2501 | ATO-SM2502 |
| Rated Voltage | 6V | 24V |
| Rated Current | 0.2A | 0.35A |
| Resistance | 10Ω | 16Ω |
| Phase | 2 Phase | 2 Phase |
| Stepping Angle | 7.5° | 15° |
| Excitation Method | 2 | 2 |
| Pull-in Torque | 6.0 mN-m (200 pps) | 12.5 mN-m (500 pps) |
| Pull-out Torque | 6.5 mN-m (700 pps) | 16 mN-m (500 pps) |
| Holding Torque | 13.0 mN-m (0 pps) | 26.0 mN-m (0 pps) |
| Max. Continuous Response Frequency | 650 pps | 1300 pps |
| Max. Starting Frequency | 600 pps | 650 pps |
| Drive Mode | Bipolar Drive | |
| Ambient Temperature | 0℃~55℃ | |
| Insulation Resistance | 500VDC 100MΩ min | |
| Insulation Grade | E |
Phase Sequence Excitation & Dimensions Diagram (Unit: mm)
- 6V 0.2A Micro Stepper Motor (ATO-SM2501)
| Connector PIN Location | ||||||
| PIN No. | Color | CCW←→CW (Seen from flange side) |
Phase | |||
| 1 | Orange | ON | ON | – | – | B |
| 2 | Yellow | – | – | ON | ON | B |
| 3 | Brown | – | ON | ON | – | A |
| 4 | Black | ON | – | – | ON | A |
- 24V 0.35A Micro Stepper Motor (ATO-SM2502)
| Connector PIN Location | ||||||
| PIN No. | Color | CCW←→CW (Seen from flange side) |
Phase | |||
| 1 | Orange | ON | ON | – | – | B |
| 2 | Yellow | – | – | ON | ON | B |
| 3 | Brown | – | ON | ON | – | A |
| 4 | Black | ON | – | – | ON | A |
Details
Tips: The noise source of Nema 10 micro stepper motor.
- The noise caused by the internal electromagnetic of Nema 10 micro stepper motor. Tooth harmonic noise is caused by improper cooperation between stator, rotor eccentricity and slot, as well as rotor imbalance.
- Mechanical noise is a kind of frictional sound produced by mechanical parts of Nema 10 micro stepper motor such as bearings and bores.
- The noise and whistle noise caused by the air duct. Fan rotation causes the gas to pulsate periodically. The air current hits the solid object and makes a monotonous sound. When the fan blades roll, the surrounding air emits a kind of vortex sound, and its frequency spectrum is relatively wide.






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