| Characteristics | B0815N2B02-81-3.7 | B0815N2B04-200-5.0 | B0815N2B05-323-3.7 |
|---|---|---|---|
| Voltage | 3.7 V | 5.0 V | 3.7 V |
| Terminal resistance | 36.5 Ω | 11.8 Ω | 3.1 Ω |
| No-load speed | 8100 rpm | 20000 rpm | 32300 rpm |
| No-load current | 0.02 A | 0.05 A | 0.1 A |
| Stall torque | 0.32 mNm | 0.79 mNm | 1.1 mNm |
| Stall current | 0.1 A | 0.42 A | 1.2 A |
| Nominal torque | 0.1 mNm | 0.2 mNm | 0.2 mNm |
| Nominal speed | 6800 rpm | 16100 rpm | 27800 rpm |
| Nominal current | 0.03 A | 0.13 A | 0.26 A |
| Max. output power | 0.07 W | 0.4 W | 0.92 W |
| Max. efficiency | 38 % | 43.0 % | 50 % |
| Back-EMF constant | 0.39 mV/rpm | 0.22 mV/rpm | 0.10 mV/rpm |
| Torque constant | 3.70 mNm/A | 2.10 mNm/A | 1.00 mNm/A |
| KV Value | 2180 rpm/V | 4000 rpm/V | 8730 rpm/V |
| Speed/torque gradient | 25310 rpm/mNm | 25310 rpm/mNm | 29360 rpm/mNm |
| Rotor inertia | 0.02 gcm² | 0.02 gcm² | 0.02 gcm² |
| Weight | 3 g | 3 g | 3 g |
| Thermal resistance housing-ambient | 110 K/W | 110 K/W | 110 K/W |
| Thermal resistance winding-housing | 26 K/W | 26 K/W | 26 K/W |
| Thermal time constant motor | 63 s | 63 s | 63 s |
| Thermal time constant winding | 57 s | 57 s | 57 s |
| Operating temperature range | -40~+100 | -40~+100 | -40~+100 |
| Thermal class of winding | 130 °C | 130 °C | 130 °C |
| Axial play | 0.012 mm | 0.012 mm | 0.012 mm |
| Radial play | 0.008 mm | 0.008 mm | 0.008 mm |
| Axial load dynamic | 1 N | 1 N | 1 N |
| Axial load static | 25 N | 25 N | 25 N |
| Radial load at 3 mm from mounting face | 6.3 N | 6.3 N | 6.3 N |
| No. of pole pairs | 1 | 1 | 1 |
| Bearings | 2 ball bearings | 2 ball bearings | 2 ball bearings |
| Protection class | 20 IP | 20 IP | 20 IP |
| Commutation | Sensorless | Sensorless | Sensorless |
Applications
| 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 |
Applications
| Specification | B0815N2B04-200-5.0 |
|---|---|
| Voltage | 5.0 V |
| Terminal resistance | 11.8 Ω |
| No-load speed | 20000 rpm |
| No-load current | 0.05 A |
| Stall torque | 0.79 mNm |
| Stall current | 0.42 A |
| Nominal torque | 0.2 mNm |
| Nominal speed | 16100 rpm |
| Nominal current | 0.13 A |
| Max. output power | 0.4 W |
| Max. efficiency | 43.0 % |
| Back-EMF constant | 0.22 mV/rpm |
| Torque constant | 2.10 mNm/A |
| KV Value | 4000 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 |
Applications
| Specification | B0815N2B05-323-3.7 |
|---|---|
| Voltage | 3.7 V |
| Terminal resistance | 3.1 Ω |
| No-load speed | 32300 rpm |
| No-load current | 0.1 A |
| Stall torque | 1.1 mNm |
| Stall current | 1.2 A |
| Nominal torque | 0.2 mNm |
| Nominal speed | 27800 rpm |
| Nominal current | 0.26 A |
| Max. output power | 0.92 W |
| Max. efficiency | 50 % |
| Back-EMF constant | 0.10 mV/rpm |
| Torque constant | 1.00 mNm/A |
| KV Value | 8730 rpm/V |
| Speed/torque gradient | 29360 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 |