FA-1659RB Coreless Brushless DC Motor
The FA-1659RB is a flagship 50W high-torque coreless brushless DC motor with 16mm outer diameter and 59mm ultra-long body. It adopts heavy-duty ball bearings and integrated 3-channel hall sensors for real-time speed feedback. This model offers two 12V and two 24V winding options with distinct speed-torque curves, equipped with standard 8Pin copper pin terminals. Custom planetary gearboxes and encoders are optional to build high-power miniature closed-loop drive solutions.
• Dimension: Φ16mm × Length 59mm
• Rated Power: 50W
• Voltage Options: 12V(01A/02A) / 24V(03A/04A)
• Heavy-duty ball bearings + 3-phase built-in hall sensor
• Standard 8Pin copper pin terminal; Optional gearbox & encoder
Mechanical Dimensions
Dimensions are in mm. Please refer to the datasheet for tolerances and mounting details.
Performance Parameters
| Motor specifications | 02A | 03A | 01A | 04A | |
|---|---|---|---|---|---|
| Nominal voltage | V | 12 | 12 | 24 | 24 |
| No load speed | rpm | 12000 | 25500 | 42000 | 47200 |
| No load current | mA | 70 | 250 | 200 | 240 |
| Nominal speed | rpm | 10400 | 22000 | 36500 | 49700 |
| Nominal torque | mNm | 9.2 | 12.24 | 35.47 | 48 |
| Nominal current | A | 1.02 | 3.61 | 6.67 | 12.2 |
| Stall torque | mNm | 70.7 | 117.2 | 272.9 | 369.9 |
| Stall current | A | 7.41 | 26.09 | 50 | 92.31 |
| Terminal resistance | Ω | 1.62 | 0.46 | 0.48 | 0.26 |
| Torque constant | mNm/A | 9.35 | 4.4 | 5.34 | 3.92 |
| Speed constant | rpm/V | 1000 | 2125 | 1750 | 2383 |
| Mechanical time constant | ms | 1.64 | 2.1 | 1.49 | 1.5 |
| Rotor inertia | gcm² | 0.97 | 0.97 | 0.97 | 0.97 |
Optical Gearbox
| N/A | |
|---|---|
Optional encoder
| N/A | |
|---|---|
Terminal data
| Terminal data | |||
|---|---|---|---|
| Teminal model : 8 Pin 铜针 | |||
| Pin 1 电机绕组 Motor winding 1 | Pin 2 电机绕组 Motor winding 2 | Pin 3 电机绕组 Motor winding 3 | Pin 4 霍尔传感器 Hall Vcc 3.3~5V |
| Pin 5 霍尔传感器 Hall GND | Pin 6 霍尔传感器 Hall sensor 1 | Pin 7 霍尔传感器 Hall sensor 2 | Pin 8 霍尔传感器 Hall sensor 3 |
Other Specifications
| Other specifications | |||
|---|---|---|---|
| Operating temperature range | -20…+80℃ | Bearing type | Ball bearings |
| Number of pole pairs | 1 | Weight of motor | 65g |
| Number of phases | 3 |
Engineering Overview
FA-1659RB ultra-long 50W coreless brushless DC motor removes mechanical brush friction to realize long service life and low electromagnetic interference. Consistent rotor inertia paired with ultra-short mechanical time constant delivers ultra-fast acceleration and smooth cogging-free rotation. Dual 12V and dual 24V winding options cover high-speed and ultra-high-torque working modes to match diverse power supply standards. Ball bearing structure supports continuous heavy-load operation, and matched gearbox & encoder enable precise closed-loop positioning for high-power miniature industrial equipment.
Typical Applications:
• High-speed medical handheld instruments
• Heavy-load micro robot joint actuators
• Industrial miniature high-torque transmission modules
• Compact high-power precision testing equipment