20BY45 PM Stepper Motor, Ø20mm 18° Step Angle Permanent Magnet Stepping Motor
Ø20 mm miniature PM stepper motor with an 18° step angle, offered in 7.2 V, 12 V and 24 V bipolar windings with lead wires and connector. For optical instruments, mini printers and timing mechanisms.
- Frame Size
- Ø20 mm
- Step Angle
- 18°
- Rated Voltage
- 7.2 V / 12 V / 24 V
- Coil Resistance
- 13 Ω / 40 Ω / 18 Ω
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Product Details
Specifications
| Frame Size | Ø20 mm |
|---|---|
| Step Angle | 18° |
| Rated Voltage | 7.2 V / 12 V / 24 V |
| Coil Resistance | 13 Ω / 40 Ω / 18 Ω |
| Drive | Bipolar |
| Pull-out Torque | 80 g·cm @ 200 Hz (7.2 V) |
| Insulation Class | E |
| Insulation Resistance | 100 MΩ min |
| Dielectric Strength | 500 V AC, 1 min |
Typical Applications
- Mini printers
- Precision optical instruments
- Network storage modules
- Timekeeping mechanisms
Electrical Specifications
| Voltage (V) | Resistance (Ω) | Step Angle | Excitation | Drive | Current (mA) |
|---|---|---|---|---|---|
| 7.2 | 13 | 18° | 2-2 phase | Bipolar | — |
| 12 | 40 | 18° | 2-2 phase | Bipolar | 150 |
| 24 | 18 | 18° | 2-2 phase | Bipolar | 350 |
Technical Drawing
All dimensions in mm.
Customization
Voltage, coil resistance, gear ratio, shaft, lead wire length and connector can be customized. Send us your requirements with the quote form and we will reply with a proposal.
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