Effective Coreless Servo Motor Spec Sheet
Coreless Servo Motor Typical Applications: Steering Gear, Intelligent Robot
Motor model |
NFP-EM1024RG-A |
NFP-EM1024RG-B |
Nominal voltage |
3.7V DC |
6V DC |
No-load speed |
11,000rpm |
11,000rpm |
No-load current |
0.045mA |
0.02mA |
Nominal speed |
9,850rpm |
9,400rpm |
Nominal torque |
1.5mNm |
1.52mNm |
Nominal current |
0.51A |
0.31A |
Stall torque |
14.3mNm |
10.5mNm |
Stall current |
4.46A |
0.94A |
Terminal resistance |
0.83Ω |
2.99Ω |
Torque constant |
3.15mNm/A |
5.1mNm/A |
Speed constant |
2,973rpm/V |
1,833rpm/V |
Coreless Servo Motor Terminal Connection Data Sheet
Connection |
|
Terminal A: En 60603-13/DIN-41651 Pitch 2.54mm6pin |
|
Flat band cable: 6pin UL2651 26AWG |
|
1: Motor+ |
4: Incremental output A or I2C SCL |
2: VCC(DC 3.3~5V) |
5: GND |
3: Incremental output A or I2C SDA |
7: Motor- |
Coreless Servo Motor Stage Data Sheet
Stage |
NFP-EM1024RG-A |
NFP-EM1024RG-B |
NFP-EM1024RG-C |
NFP-EM1024RG-D |
NFP-EM1024RG-E |
Reduction ration |
3.94 |
13.68; 15.5 |
41.92; 53.86 |
145.6; 187.08 |
649.85; 946.46 |
|
4.62 |
18.7; 21.3 |
61.05; 71.56 |
281.75; 341.52 |
1344.73; 1660.74 |
|
|
|
83.88; 98.32 |
387.12; 435.77 |
2094.3; 2586.46 |
|
|
|
|
560.4 |
3194.28 |
Rate torque |
0.2Nm |
0.2Nm |
0.3Nm |
0.3Nm |
0.35Nm |
Stall torque |
0.3Nm |
0.3Nm |
0.45Nm |
0.45Nm |
0.5Nm |
Max efficiency |
90% |
81% |
73% |
65% |
59% |
Length |
13.3mm |
16.1mm |
18.9mm |
21.7mm |
24.5mm |
No-load backlash |
1° |
1.5° |
1.5° |
2° |
2° |
Coreless Servo Motor Encoder Data Sheet
Encoder |
Basic parameters: |
Supply voltage: DC 3.3~5V |
Typical current :15mA |
Max.Mech.Speed(min-1) 50,000 |
Intergral Non-Linearity: ±1.5° |
Differential (ABZ) Non-Linearity: ±0.02° |
Number of pulses per revolution: 1~1024PPR |
Single -turn absolute coding: 14-bit(I2C) |
Power-Up-Time:1~3ms |
Propagation Delay: 1~5us |
Rsing Time: 1us |
Falling Time: 1us |
Storage Temperature: -55~150°C |
Operating Temperature: -40~125°C |
High Torque Coreless Servo Motor Mechanical Diagram

Durable 32mm Coreless Servo Motor Performance Curve
