The 12**M7…M… is a 12mm micro DC coreless brushed servo motor series, providing high precision, fast response, and low inertia. Engineered for demanding applications, these motors offer voltages from 4.5 to 12 V, robust torque, and high-speed capabilities. Optional gearboxes and encoders expand their flexibility, making them ideal for medical devices, robotics, and precision instrumentation.
| Parameter | Unit | 1230N7M04-48-4.5 | 1220N7M64-140-6.0 | 1220N7M65-162-12.0 |
|---|---|---|---|---|
| Voltage | V | 4.5 | 6.0 | 12.0 |
| Terminal resistance | Ω | 8.5 | 3.8 | 22 |
| No-load speed | rpm | 4800 | 14000 | 16200 |
| No-load current | mA | 15 | 60 | 20 |
| Stall torque | mNm | 4.48 | 5.98 | 3.58 |
| Stall current | mA | 530 | 1580 | 550 |
| Nominal torque | mNm | 2 | 2.78 | 2.45 |
| Nominal speed | rpm | 2760 | 7500 | 5200 |
| Nominal current | mA | 235 | 770 | 380 |
| Back-EMF constant | mV/rpm | 0.91 | 0.41 | 0.71 |
| Torque constant | mNm/A | 8.72 | 3.94 | 6.81 |
| Operating temperature range | °C | -20~+85 | -20~+85 | -20~+85 |
| Number of channels | Unit | 2 | 3 | — |
|---|---|---|---|---|
| Counts per turn | cpt | 16.32.64.256.512 | 16.32.64.256.512 | — |
| Supply voltage | V | 5.0（5.0） | 5.0（5.0） | — |
| Max. speed | rpm | 30000 | 30000 | — |
| Phase shift | °e | 90±45 | 90±45 | — |
| Output signal | — | TTL | TTL | — |
| Diameter | mm | 8 | 8 | — |
| Length（L） | mm | 6.7 | 6.7 | — |
| Gearbox stages | Unit | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|---|
| Reduction ratio | — | 4 | 16 | 64 | 256 | 1024 | 4096 |
| Max. rated torque | mNm | 80 | 120 | 160 | 180 | 200 | 200 |
| Max. momentary torque | mNm | 240 | 360 | 480 | 540 | 600 | 600 |
| Length（L） | mm | 12.8 | 16.1 | 19.4 | 22.7 | 26 | 29.3 |
| Shell material | — | Metal | – | – | – | – | – |
| Gear processing technology | — | Metal CNC | – | – | – | – | – |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Parameter | Unit | 1230N7M04-48-4.5 |
|---|---|---|
| Voltage | V | 4.5 |
| Terminal resistance | Ω | 8.5 |
| No-load speed | rpm | 4800 |
| No-load current | mA | 15 |
| Stall torque | mNm | 4.48 |
| Stall current | mA | 530 |
| Nominal torque | mNm | 2 |
| Nominal speed | rpm | 2760 |
| Nominal current | mA | 235 |
| Back-EMF constant | mV/rpm | 0.91 |
| Torque constant | mNm/A | 8.72 |
| Operating temperature range | °C | -20~+85 |
| Number of channels | Unit | 2 | 3 | — |
|---|---|---|---|---|
| Counts per turn | cpt | 16.32.64.256.512 | 16.32.64.256.512 | — |
| Supply voltage | V | 5.0（5.0） | 5.0（5.0） | — |
| Max. speed | rpm | 30000 | 30000 | — |
| Phase shift | °e | 90±45 | 90±45 | — |
| Output signal | — | TTL | TTL | — |
| Diameter | mm | 8 | 8 | — |
| Length（L） | mm | 6.7 | 6.7 | — |
| Gearbox stages | Unit | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|---|
| Reduction ratio | — | 4 | 16 | 64 | 256 | 1024 | 4096 |
| Max. rated torque | mNm | 80 | 120 | 160 | 180 | 200 | 200 |
| Max. momentary torque | mNm | 240 | 360 | 480 | 540 | 600 | 600 |
| Length（L） | mm | 12.8 | 16.1 | 19.4 | 22.7 | 26 | 29.3 |
| Shell material | — | Metal | – | – | – | – | – |
| Gear processing technology | — | Metal CNC | – | – | – | – | – |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Parameter | Unit | 1220N7M64-140-6.0 |
|---|---|---|
| Voltage | V | 6.0 |
| Terminal resistance | Ω | 3.8 |
| No-load speed | rpm | 14000 |
| No-load current | mA | 60 |
| Stall torque | mNm | 5.98 |
| Stall current | mA | 1580 |
| Nominal torque | mNm | 2.78 |
| Nominal speed | rpm | 7500 |
| Nominal current | mA | 770 |
| Back-EMF constant | mV/rpm | 0.41 |
| Torque constant | mNm/A | 3.94 |
| Operating temperature range | °C | -20~+85 |
| Number of channels | Unit | 2 | 3 | — |
|---|---|---|---|---|
| Counts per turn | cpt | 16.32.64.256.512 | 16.32.64.256.512 | — |
| Supply voltage | V | 5.0（5.0） | 5.0（5.0） | — |
| Max. speed | rpm | 30000 | 30000 | — |
| Phase shift | °e | 90±45 | 90±45 | — |
| Output signal | — | TTL | TTL | — |
| Diameter | mm | 8 | 8 | — |
| Length（L） | mm | 6.7 | 6.7 | — |
| Gearbox stages | Unit | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|---|
| Reduction ratio | — | 4 | 16 | 64 | 256 | 1024 | 4096 |
| Max. rated torque | mNm | 80 | 120 | 160 | 180 | 200 | 200 |
| Max. momentary torque | mNm | 240 | 360 | 480 | 540 | 600 | 600 |
| Length（L） | mm | 12.8 | 16.1 | 19.4 | 22.7 | 26 | 29.3 |
| Shell material | — | Metal | – | – | – | – | – |
| Gear processing technology | — | Metal CNC | – | – | – | – | – |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
| Parameter | Unit | 1220N7M65-162-12.0 |
|---|---|---|
| Voltage | V | 12.0 |
| Terminal resistance | Ω | 22 |
| No-load speed | rpm | 16200 |
| No-load current | mA | 20 |
| Stall torque | mNm | 3.58 |
| Stall current | mA | 550 |
| Nominal torque | mNm | 2.45 |
| Nominal speed | rpm | 5200 |
| Nominal current | mA | 380 |
| Back-EMF constant | mV/rpm | 0.71 |
| Torque constant | mNm/A | 6.81 |
| Operating temperature range | °C | -20~+85 |
| Number of channels | Unit | 2 | 3 | — |
|---|---|---|---|---|
| Counts per turn | cpt | 16.32.64.256.512 | 16.32.64.256.512 | — |
| Supply voltage | V | 5.0（5.0） | 5.0（5.0） | — |
| Max. speed | rpm | 30000 | 30000 | — |
| Phase shift | °e | 90±45 | 90±45 | — |
| Output signal | — | TTL | TTL | — |
| Diameter | mm | 8 | 8 | — |
| Length（L） | mm | 6.7 | 6.7 | — |
| Gearbox stages | Unit | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|---|
| Reduction ratio | — | 4 | 16 | 64 | 256 | 1024 | 4096 |
| Max. rated torque | mNm | 80 | 120 | 160 | 180 | 200 | 200 |
| Max. momentary torque | mNm | 240 | 360 | 480 | 540 | 600 | 600 |
| Length（L） | mm | 12.8 | 16.1 | 19.4 | 22.7 | 26 | 29.3 |
| Shell material | — | Metal | – | – | – | – | – |
| Gear processing technology | — | Metal CNC | – | – | – | – | – |
Technical specifications are for guidance only, as the individual drives and motors are configured for specific applications. Subject to technical and visual changes.
