Precious metal brush,
Sleeve bearings RC Servo motor
| Gear | |||
|---|---|---|---|
| - | - | - | - |
| Coreless Motor | |
|---|---|
| CRS17-1502 | CRS17-1504 |
| CRS17-1507 | - |
| Encoder | |
|---|---|
| - | - |
| Driver | |
|---|---|
| - | - |
| - | - |
Precious
metal brush
metal brush
Sintered
sleeve bearing
sleeve bearing
Nd-Fe-B
magnet
magnet
Please provide corresponding pinion gear or specify pinion paramenters for sample making.
Specifications
| CRS17-1502 | CRS17-1504 | CRS17-1507 | |
|---|---|---|---|
| Rated voltage[V] | 7.4 | 7.4 | 12 |
| No load speed[rpm] | 23,900 | 18,400 | 22,100 |
| No load current[mA] | 50 | 32 | 27 |
| Stall torque[mNm] | 12.95 | 6.26 | 8.48 |
| Stall current[mA] | 4,479 | 1,693 | 1,692 |
| Output power[W] | 8.1 | 3.0 | 4.9 |
| Max efficiency[%] | 80 | 74 | 76 |
| Terminal resistance[Ω] | 1.65 | 4.37 | 7.09 |
| Rated torque[mNm] | 1.24 | 0.76 | 0.96 |
| Rated speed[rpm] | 21,600 | 16,100 | 19,600 |
| Rated current[mA] | 475 | 234 | 215 |
| Friction torque[mNm] | 0.15 | 0.12 | 0.14 |
| Back-EMF constant[mV/rpm] | 0.31 | 0.40 | 0.53 |
| Torque constant[mNm/A] | 2.92 | 3.77 | 5.09 |
| Slope of N-T curve[rpm/mNm] | 1,845 | 2,932 | 2,609 |
| Mechanical time constant[ms] | 19.79 | 20.55 | 20.32 |
| Rotor inertia[gcm2] | 1.02 | 0.67 | 0.74 |
| Max torque[mNm] | 4.32 | 2.09 | 2.83 |
| Inductance[mH] @1kHz | TBD | TBD | TBD |
| Thermal resistance Rth1（coil-housing）[K/W] | TBD | TBD | TBD |
| Thermal resistance Rth2（housing-ambient）[K/W] | TBD | TBD | TBD |
| Shaft raddial play[mm] | 0.05 | ||
| Shaft axial play[mm] | 0.03‐0.3 | ||
| Max shaft radial load[N] | TBD | ||
| Max shaft axial load[N] | TBD | ||
| Max shaft axial load at standstill[N] | TBD | ||
| Operating temperature[℃] | -20‐+60 | ||
| Max coil temperature[℃] | 80 | ||
| Weight[g] | 17 ※2 | ||
※1 measured at ( )mm point from flange
※2 Weight without pinion
Electrical connections
| CRS17-1502 ／ CRS17-1504 ／ CRS17-1507 | ||
|---|---|---|
| #1 | +Terminal | Motor Vin (+) |
| #2 | -Terminal | Motor GND (-) |
Specification charts
Pinion options
| Module | Number of teeth | Material | |
|---|---|---|---|
| Pinion A | 0.25 | 10 | SUS303 |
| Pinion B | 0.25 | 10 | C3604 |
| Pinion C | 0.25 | 11 | C3604 |
| Pinion D | 0.25 | 18 | C3604 |
| Pinion E | 0.30 | 10 | SUS303 |
| Pinion F | 0.30 | 10 | C3604 |
| Pinion G | 0.30 | 12 | SUS303 |
If you require specifications other than those provided above, please provide the pinion that fits the shaft diameter or notify us of pinion specifications in advance.
