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Technical Specifications
Last Updated: 2026-10-27
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SPT5620 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
277.70 oz-in
20.00 kg-cm
2.0 N-m
6.0V
222.20 oz-in
16.00 kg-cm
1.6 N-m
4.8V
180.50 oz-in
13.00 kg-cm
1.3 N-m
Average
|
| Speed |
8.4V
0.08 sec/60°
750.0 deg/s
125.0 RPM
6.0V
0.09 sec/60°
666.7 deg/s
111.1 RPM
4.8V
0.12 sec/60°
500.0 deg/s
83.3 RPM
Average
|
| Stall Current | ≤2.5 A≤2500 mAAbove Average |
| Physical | |
| Weight | 2.05 oz58.0 gAbove Average |
| Dimensions |
L 1.59 in W 0.79 in H 1.48 in L 40.4 mm W 20.1 mm H 37.6 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 90° |
| Pulse Cycle | 20 ms |
| Pulse Width | 500-2500 µs |
| Neutral Position | 1500 µs |
| Dead Band | 1 µs |
| Refresh Rate | 330 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Signal Voltage | 3.3–5.0V |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Temperature | -10–50 °C14–122 °F |
| Idle Current | 0.010 A10 mA |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 260 mm10.24 in |
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.
Class Comparison
| Torque | Average Stronger than 40% of 1059 Digital Standard servos at 4.8V |
| Speed | Average Faster than 61% of 1044 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 65% of 1879 Digital Standard servos |
| Stall Current | Above Average Lower draw than 75% of 570 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.78–6.42 W |
| Power Density | 3.453 W/in³ More power-dense than 66% of 1767 Digital Standard servos |
| Torque Density | 3.1121 oz-in/g Stronger than 45% of 1052 Digital Standard servos |
| Torque-to-Volume Ratio | 97.09 oz-in/in³ Denser torque than 41% of 1057 Digital Standard servos |
| Speed-to-Weight | 0.14368 (1/sec·g) Faster than 70% of 1037 Digital Standard servos |
| Speed-Torque Trade-off | 21.66 Better balanced than 38% of 1033 Digital Standard servos |
| Current-per-Torque Ratio | 0.0139 A/oz-in More efficient than 54% of 331 Digital Standard servos |
| Torque Gain per Volt | 14.96%/V More voltage-responsive (torque) than 45% of 872 Digital Standard servos |
| Speed Gain per Volt | 13.89%/V More voltage-responsive (speed) than 38% of 873 Digital Standard servos |
| Voltage Range Width | 3.6 V Wider voltage range than 75% of 1559 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0005 Finer dead band than 93% of 504 Digital Standard servos |
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