Description
20mm BLDC, inner rotor, slotless, sensorless
| Specification | B2040N2B02-80-12.0 |
|---|---|
| Voltage | 12.0 V |
| Terminal resistance | 3.6 Ω |
| No-load speed | 8000 rpm |
| No-load current | 0.22 A |
| Stall torque | 41.7 mNm |
| Stall current | 3.3 A |
| Nominal torque | 7.6 mNm |
| Nominal speed | 5900 rpm |
| Nominal current | 0.8 A |
| Max. output power | 8.7 W |
| Max. efficiency | 55 % |
| Back-EMF constant | 1.4 mV/rpm |
| Torque constant | 13.4 mNm/A |
| KV Value | 666.7 rpm/V |
| Speed/torque gradient | 192.1 rpm/mNm |
| Rotor inertia | 2 gcm² |
| Weight | 55 g |
| Thermal resistance housing-ambient | 16 K/W |
| Thermal resistance winding-housing | 3.5 K/W |
| Thermal time constant motor | 620 s |
| Thermal time constant winding | 4 s |
| Operating temperature range | -40~+100 °C |
| Thermal class of winding | 155 °C |
| Axial play | 0.012 mm |
| Radial play | 0.008 mm |
| Axial load dynamic | 5 N |
| Axial load static | 80 N |
| Radial load at 3 mm from mounting face | 29 N |
| No. of pole pairs | 1 |
| Bearings | 2 ball bearings |
| Protection class | 20 IP |
| Commutation | Sensorless |
