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12mm Micro DC Coreless Motors
| Parameter | Unit | 1221N5M34-78-3.3 |
|---|---|---|
| Voltage | V | 3.3 |
| Terminal resistance | Ω | 6.4 |
| No-load speed | rpm | 7800 |
| No-load current | mA | 20 |
| Stall torque | mNm | 1.9 |
| Stall current | mA | 520 |
| Nominal torque | mNm | 0.5 |
| Nominal speed | rpm | 5790 |
| Nominal current | mA | 150 |
| Max. output power | W | 0.4 |
| Max. efficiency | % | 65 |
| Back-EMF constant | mV/rpm | 0.4 |
| Torque constant | mNm/A | 3.9 |
| Speed/torque gradient | rpm/mNm | 4000 |
| Rotor inertia | gcm² | 0.15 |
| Weight | g | 10.4 |
| Thermal resistance housing-ambient | K/W | 33.3 |
| Thermal resistance winding-housing | K/W | 35.3 |
| Thermal time constant motor | s | 144 |
| Thermal time constant winding | s | 120 |
| Operating temperature range | °C | -20~+85 |
| Thermal class of winding | °C | 130 |
| Axial play | mm | 0.02~0.15 |
| Radial play | mm | 0.014 |
| Axial load dynamic | N | 0.8 |
| Axial load static | N | 30 |
| Radial load at 3 mm from mounting face | N | 1 |
| No. of pole pairs | 1 | |
| Bearings | 2 ball bearings | |
| Commutator | metal 5 segments | |
| Protection class | IP | 40 |
Technische Angaben dienen als Orientierungswerte, da die einzelnen Antriebe und Motoren anwendungsbezogen konfiguriert werden. Technische und optische Änderungen vorbehalten.
