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Technical Specifications
Last Updated: 2026-10-10
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 gAverage |
| 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 | Brushed |
| 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 | 10.000 A10,000 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 1040 Digital Standard servos at 4.8V |
| Speed | Below Average Faster than 23% of 1036 Digital Standard servos at 4.8V |
| Weight | Average Lighter than 65% of 1903 Digital Standard servos |
| Stall Current | Above Average Lower draw than 89% of 543 Digital Standard servos |
Performance Analysis
| Torque Density | 3.0879 oz-in/g Stronger than 44% of 1034 Digital Standard servos |
| Torque-to-Volume Ratio | 89.68 oz-in/in³ Denser torque than 37% of 1039 Digital Standard servos |
| Speed-to-Weight | 0.10142 (1/sec·g) Faster than 36% of 1029 Digital Standard servos |
| Speed-Torque Trade-off | 30.45 Better balanced than 53% of 1026 Digital Standard servos |
| Current-per-Torque Ratio | 0.0101 A/oz-in More efficient than 79% of 316 Digital Standard servos |
| Speed Gain per Volt | 19.45%/V More voltage-responsive (speed) than 76% of 864 Digital Standard servos |
| Voltage Range Width | 3.6 V Wider voltage range than 76% of 1546 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 63% of 469 Digital Standard servos |
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