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Technical Specifications
Last Updated: 2026-10-27
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SPT5420HV-180 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
277.70 oz-in
20.00 kg-cm
2.0 N-m
6.0V
225.00 oz-in
16.20 kg-cm
1.6 N-m
4.8V
179.10 oz-in
12.90 kg-cm
1.3 N-m
Average
|
| Speed |
8.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.13 sec/60°
461.5 deg/s
76.9 RPM
4.8V
0.17 sec/60°
352.9 deg/s
58.8 RPM
Below Average
|
| Stall Current | ≤1.8 A≤1800 mAAbove Average |
| Physical | |
| Weight | 2.05 oz58.0 gAbove Average |
| Dimensions |
L 1.59 in W 0.79 in H 1.59 in L 40.4 mm W 20.1 mm H 40.4 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Cored |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 180° |
| Mechanical Limit | 120° |
| Pulse Cycle | 20 ms |
| Pulse Width | 500-2500 µs |
| Neutral Position | 1500 µs |
| Dead Band | 2 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 39% of 1059 Digital Standard servos at 4.8V |
| Speed | Below Average Faster than 24% 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 89% of 570 Digital Standard servos |
Performance Analysis
| Torque Density | 3.0879 oz-in/g Stronger than 44% of 1052 Digital Standard servos |
| Torque-to-Volume Ratio | 89.68 oz-in/in³ Denser torque than 38% of 1057 Digital Standard servos |
| Speed-to-Weight | 0.10142 (1/sec·g) Faster than 37% of 1037 Digital Standard servos |
| Speed-Torque Trade-off | 30.45 Better balanced than 52% of 1033 Digital Standard servos |
| Current-per-Torque Ratio | 0.0101 A/oz-in More efficient than 80% of 331 Digital Standard servos |
| Speed Gain per Volt | 19.45%/V More voltage-responsive (speed) than 76% 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 | 0.0010 Finer dead band than 63% of 504 Digital Standard servos |
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