Description
10mm BLDC, inner rotor, slotless, sensorless
| Specification | B1020N03-85-3.7 |
|---|---|
| Voltage | 3.7 V |
| Terminal resistance | 6.2 Ω |
| No-load speed | 8500 rpm |
| No-load current | 0.07 A |
| Stall torque | 1.9 mNm |
| Stall current | 0.6 A |
| Nominal torque | 1.0 mNm |
| Nominal speed | 4300 rpm |
| Nominal current | 0.35 A |
| Max. output power | 0.4 W |
| Max. efficiency | 43 % |
| Back-EMF constant | 0.38 mV/rpm |
| Torque constant | 3.67 mNm/A |
| KV Value | 2290 rpm/V |
| Speed/torque gradient | 4358 rpm/mNm |
| Rotor inertia | 0.06 gcm² |
| Weight | 6.8 g |
| Thermal resistance housing-ambient | 44 K/W |
| Thermal resistance winding-housing | 10 K/W |
| Thermal time constant motor | 124 s |
| Thermal time constant winding | 119 s |
| Operating temperature range | -20~+100 °C |
| Thermal class of winding | 155 °C |
| Axial play | 0.012 mm |
| Radial play | 0.008 mm |
| Axial load dynamic | 1 N |
| Axial load static | 25 N |
| Radial load at 3 mm from mounting face | 6.3 N |
| No. of pole pairs | 1 |
| Bearings | 2 sleeve bearings |
| Protection class | 20 IP |
| Commutation | Sensorless |
