| Characteristics | B1220N2B03-230-7.4 | B1220N2B02-172-6.0 | B1220N2B01-175-5.0 |
|---|---|---|---|
| Voltage | 7.4 V | 6.0 V | 5.0 V |
| Terminal resistance | 3.8 Ω | 3.4 Ω | 2 Ω |
| No-load speed | 23000 rpm | 17200 rpm | 17500 rpm |
| No-load current | 0.1 A | 0.15 A | 0.18 A |
| Stall torque | 5.3 mNm | 4.9 mNm | 5.8 mNm |
| Stall current | 2 A | 1.8 A | 2.5 A |
| Nominal torque | 1.3 mNm | 1.3 mNm | 1.4 mNm |
| Nominal speed | 15300 rpm | 10800 rpm | 11600 rpm |
| Nominal current | 0.57 A | 0.6 A | 0.78 A |
| Max. output power | 3.3 W | 2.2 W | 2.5 W |
| Max. efficiency | 62 % | 50 % | 51 % |
| Back-EMF constant | 0.3 mV/rpm | 0.3 mV/rpm | 0.3 mV/rpm |
| Torque constant | 2.9 mNm/A | 3.0 mNm/A | 2.5 mNm/A |
| KV Value | 3100 rpm/V | 2900 rpm/V | 3500 rpm/V |
| Speed/torque gradient | 3800 rpm/mNm | 3700 rpm/mNm | 3030 rpm/mNm |
| Rotor inertia | 0.17 gcm² | 0.17 gcm² | 0.17 gcm² |
| Weight | 9.5 g | 9.5 g | 9.5 g |
| Thermal resistance housing-ambient | 32 K/W | 32 K/W | 32 K/W |
| Thermal resistance winding-housing | 5.5 K/W | 5.5 K/W | 5.5 K/W |
| Thermal time constant motor | 190 s | 190 s | 190 s |
| Thermal time constant winding | 1.5 s | 1.5 s | 1.5 s |
| Operating temperature range | -40~+100 | -40~+100 | -40~+100 |
| Thermal class of winding | 155 °C | 155 °C | 155 °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
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.
| Specification | B1220N2B03-230-7.4 |
|---|---|
| Voltage | 7.4 V |
| Terminal resistance | 3.8 Ω |
| No-load speed | 23000 rpm |
| No-load current | 0.1 A |
| Stall torque | 5.3 mNm |
| Stall current | 2 A |
| Nominal torque | 1.3 mNm |
| Nominal speed | 15300 rpm |
| Nominal current | 0.57 A |
| Max. output power | 3.3 W |
| Max. efficiency | 62 % |
| Back-EMF constant | 0.3 mV/rpm |
| Torque constant | 2.9 mNm/A |
| KV Value | 3100 rpm/V |
| Speed/torque gradient | 3800 rpm/mNm |
| Rotor inertia | 0.17 gcm² |
| Weight | 9.5 g |
| Thermal resistance housing-ambient | 32 K/W |
| Thermal resistance winding-housing | 5.5 K/W |
| Thermal time constant motor | 190 s |
| Thermal time constant winding | 1.5 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.
| Specification | B1220N2B02-172-6.0 |
|---|---|
| Voltage | 6.0 V |
| Terminal resistance | 3.4 Ω |
| No-load speed | 17200 rpm |
| No-load current | 0.15 A |
| Stall torque | 4.9 mNm |
| Stall current | 1.8 A |
| Nominal torque | 1.3 mNm |
| Nominal speed | 10800 rpm |
| Nominal current | 0.6 A |
| Max. output power | 2.2 W |
| Max. efficiency | 50 % |
| Back-EMF constant | 0.3 mV/rpm |
| Torque constant | 3.0 mNm/A |
| KV Value | 2900 rpm/V |
| Speed/torque gradient | 3700 rpm/mNm |
| Rotor inertia | 0.17 gcm² |
| Weight | 9.5 g |
| Thermal resistance housing-ambient | 32 K/W |
| Thermal resistance winding-housing | 5.5 K/W |
| Thermal time constant motor | 190 s |
| Thermal time constant winding | 1.5 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.
| Specification | B1220N2B01-175-5.0 |
|---|---|
| Voltage | 5.0 V |
| Terminal resistance | 2 Ω |
| No-load speed | 17500 rpm |
| No-load current | 0.18 A |
| Stall torque | 5.8 mNm |
| Stall current | 2.5 A |
| Nominal torque | 1.4 mNm |
| Nominal speed | 11600 rpm |
| Nominal current | 0.78 A |
| Max. output power | 2.5 W |
| Max. efficiency | 51 % |
| Back-EMF constant | 0.3 mV/rpm |
| Torque constant | 2.5 mNm/A |
| KV Value | 3500 rpm/V |
| Speed/torque gradient | 3030 rpm/mNm |
| Rotor inertia | 0.17 gcm² |
| Weight | 9.5 g |
| Thermal resistance housing-ambient | 32 K/W |
| Thermal resistance winding-housing | 5.5 K/W |
| Thermal time constant motor | 190 s |
| Thermal time constant winding | 1.5 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.