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12mm Micro DC Coreless Motors
| Parameter | Unit | 1221N5M65-125-3.7 |
|---|---|---|
| Voltage | V | 3.7 |
| Terminal resistance | Ω | 2.1 |
| No-load speed | rpm | 12500 |
| No-load current | mA | 35 |
| Stall torque | mNm | 4.8 |
| Stall current | mA | 1760 |
| Nominal torque | mNm | 1.0 |
| Nominal speed | rpm | 9880 |
| Nominal current | mA | 400 |
| Max. output power | W | 1.57 |
| Max. efficiency | % | 74 |
| Back-EMF constant | mV/rpm | 0.3 |
| Torque constant | mNm/A | 2.8 |
| Speed/torque gradient | rpm/mNm | 2600 |
| 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.
