Description
8mm BLDC, inner rotor, slotless, sensorless
| Specification | B0815N2B02-81-3.7 |
|---|---|
| Voltage | 3.7 V |
| Terminal resistance | 36.5 Ω |
| No-load speed | 8100 rpm |
| No-load current | 0.02 A |
| Stall torque | 0.32 mNm |
| Stall current | 0.1 A |
| Nominal torque | 0.1 mNm |
| Nominal speed | 6800 rpm |
| Nominal current | 0.03 A |
| Max. output power | 0.07 W |
| Max. efficiency | 38 % |
| Back-EMF constant | 0.39 mV/rpm |
| Torque constant | 3.70 mNm/A |
| KV Value | 2180 rpm/V |
| Speed/torque gradient | 25310 rpm/mNm |
| Rotor inertia | 0.02 gcm² |
| Weight | 3 g |
| Thermal resistance housing-ambient | 110 K/W |
| Thermal resistance winding-housing | 26 K/W |
| Thermal time constant motor | 63 s |
| Thermal time constant winding | 57 s |
| Operating temperature range | -40~+100 °C |
| Thermal class of winding | 130 °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 ball bearings |
| Protection class | 20 IP |
| Commutation | Sensorless |