42M100B Can Stack Stepper Mini Motor
42M100B
42M100B provides up to 7 oz-in (49.4 mNm) of holding torque. The 100 steps per revolution results in a 3.6 degree step angle which provides fine positional resolution.
Product Highlights
- Excellent open loop control - no encoder necessary
- Digitally controlled - easy to use with a micro processor
- Cost effective - compact design, lower integration cost
- Maintenance free - no brushes to replace
- Unipolar and bipolar winding options
Customization Available
- Ball bearings, clutch magnets, dampers
- Coil modifications - resistance and inductance
- Custom shafts - flats, knurling, diameter, length
- Magnets - to yield higher torque or reduced detent levels
- Mechanical integration upon request (housing, front & rear flange, shaft)
- Pinions and gears
- Wiring - connectors, lead length, shrink tubing
Applications
- Valve Actuation
- Clinical Diagnostics
- Pharmaceutical Dispensing
- Robotic Applications
- Antenna Positioning
- Printers and Copiers
- Switching Systems
| Part Number | 42M100B1B | 42M100B1U | 42M100B2B | 42M100B2U |
|---|---|---|---|---|
| Motor Diameter (in) | 1.654 | 1.654 | 1.654 | 1.654 |
| Motor Diameter (mm) | 42.01 | 42.01 | 42.01 | 42.01 |
| Standards Met | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant |
| Step Angle (degree) | 3.6 | 3.6 | 3.6 | 3.6 |
| Steps per Revolution | 100 | 100 | 100 | 100 |
| Ambient Operating Temperature Range (°C) | -20 to +70 | -20 to +70 | -20 to +70 | -20 to +70 |
| Ambient Operating Temperature Range (°F) | -4 to +158 | -4 to +158 | -4 to +158 | -4 to +158 |
| Nominal Voltage (V) | 5 | 5 | 12 | 12 |
| Rotor Inertia (gcm²) | 11.8 | 11.8 | 11.8 | 11.8 |
| Rotor Inertia (oz-in-sec² 10ˉ⁶) | 0.06452 | 0.06452 | 0.06452 | 0.06452 |
| Weight (g) | 88 | 88 | 88 | 88 |
| Weight (oz) | 3.1 | 3.1 | 3.1 | 3.1 |
| Absolute Accuracy 2 ph. On, Full Step (degree) | ± 0.5 | ± 0.5 | ± 0.5 | ± 0.5 |
| Coil Temperature, Max (°C) | 130 | 130 | 130 | 130 |
| Coil Temperature, Max (°F) | 266 | 266 | 266 | 266 |
| Detent Torque (mNm) | 5 | 5 | 5 | 5 |
| Detent Torque (oz-in) | 0.7 | 0.7 | 0.7 | 0.7 |
| Dielectric Withstanding Voltage (VAC) | 650 for 2 seconds | 650 for 2 seconds | 650 for 2 seconds | 650 for 2 seconds |
| Holding Torque, Min (mNm) | 49.4 | 45.2 | 49.4 | 45.2 |
| Holding Torque, Min (oz-in) | 7 | 6.4 | 7 | 6.4 |
| Inductance per Phase, Typical (mH) | 11.3 | 6.6 | 62.1 | 37.7 |
| Insulation Resistance at 500 VDC (Mohm) | 100 | 100 | 100 | 100 |
| Rated Current per Phase (A) | 0.4 | 0.4 | 0.16 | 0.16 |
| Resistance per Phase, ± 10% (Ohm) | 12.5 | 12.5 | 75 | 75 |
| Winding Phase | Bipolar | Unipolar | Bipolar | Unipolar |
| Leadwire | AWG #28, UL 3265 (125°C, 150 V) | AWG #28, UL 3265 (125°C, 150 V) | AWG #28, UL 3265 (125°C, 150 V) | AWG #28, UL 3265 (125°C, 150 V) |
| Document | Document Type | Language | File Type |
|---|---|---|---|
| 42M100B Specification Page | Specification Page |
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| 42M100B drawing | 2D Drawing |
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| 42M100B 3D drawing | 3D Drawing |
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