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Technical Specifications
Last Updated: 2026-09-14
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Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SPMS662 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
8.4V
180.00 oz-in
12.96 kg-cm
1.3 N-m
7.4V
170.00 oz-in
12.24 kg-cm
1.2 N-m
6.0V
140.00 oz-in
10.08 kg-cm
1.0 N-m
|
| Speed |
8.4V
0.13 sec/60°
461.5 deg/s
76.9 RPM
7.4V
0.14 sec/60°
428.6 deg/s
71.4 RPM
6.0V
0.17 sec/60°
352.9 deg/s
58.8 RPM
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| Running Current | (add) |
| Stall Current | (add) |
| Physical | |
| Weight | (add) |
| Dimensions |
L 1.58 in W 0.79 in H 1.55 in L 40.1 mm W 20.1 mm H 39.4 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | (add) |
| Motor Drive | (add) |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Shaft Size | (add) |
| Rotation Mode | (add) |
| Rotation/Support | (add) |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | (add) |
| Rotational Range | (add) |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | (add) |
| Dead Band | (add) |
| Refresh Rate | (add) |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | No |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Power Source | 2S LiPo |
| Regulator Type | Direct |
| Temperature | (add) |
| Water Rating | Waterproof |
| Certification | CE | ROHS | FCC |
| Idle Current | (add) |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | (add) |
| Origin | |
| Country of Origin | (add) |
Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.
Performance Analysis
| Shaft Power | 1.52–2.56 W |
| Torque-to-Volume Ratio | 72.36 oz-in/in³ Denser torque than 41% of the 33 Spektrum servos in the database |
| Power Density | 1.323 W/in³ More power-dense than 48% of the 64 Spektrum servos in the database |
| Speed-Torque Trade-off | 23.80 Better balanced than 63% of the 31 Unknown servos in the database |
| Torque Gain per Volt | 11.90%/V More voltage-responsive (torque) than 9% of the 23 Spektrum servos in the database |
| Speed Gain per Volt | 12.82%/V More voltage-responsive (speed) than 33% of the 25 Unknown servos in the database |
| Voltage Range Width | 2.4 V Wider voltage range than 54% of the 42 Digital Unknown servos in the database |
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