Description
12mm BLDC, inner rotor, slotless, sensorless
| Specification | B1215N2B12-425-7.4 |
|---|---|
| Voltage | 7.4 V |
| Terminal resistance | 2.6 Ω |
| No-load speed | 42500 rpm |
| No-load current | 0.2 A |
| Stall torque | 4.0 mNm |
| Stall current | 2.9 A |
| Nominal torque | 0.3 mNm |
| Nominal speed | 38000 rpm |
| Nominal current | 0.4 A |
| Max. output power | 4.6 W |
| Max. efficiency | 54 % |
| Back-EMF constant | 0.16 mV/rpm |
| Torque constant | 1.55 mNm/A |
| KV Value | 5740 rpm/V |
| Speed/torque gradient | 10400 rpm/mNm |
| Rotor inertia | 0.14 gcm² |
| Weight | 7 g |
| Thermal resistance housing-ambient | 37.8 K/W |
| Thermal resistance winding-housing | 6.2 K/W |
| Thermal time constant motor | 170 s |
| Thermal time constant winding | 2 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 | 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 |
Applications
precision drives in medical equipment
industrial automation
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
