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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | PDI-5508MG |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
113.90 oz-in
8.20 kg-cm
0.8 N-m
4.8V
94.45 oz-in
6.80 kg-cm
0.7 N-m
Below Average
|
| Speed |
6.0V
0.07 sec/60°
857.1 deg/s
142.9 RPM
4.8V
0.09 sec/60°
666.7 deg/s
111.1 RPM
Above Average
|
| Physical | |
| Weight | 1.96 oz55.6 gAbove Average |
| Dimensions |
L 1.59 in W 0.80 in H 1.496 in L 40.4 mm W 20.3 mm H 38.0 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 120° |
| Mechanical Limit | 120° |
| Pulse Cycle | 3.03 ms |
| Pulse Width | 900-2100 µs |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 330 Hz |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 265 mm10.43 in |
| Origin | |
| Country of Origin | China |
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 | Below Average Stronger than 17% of 1043 Digital Standard servos at 4.8V |
| Speed | Above Average Faster than 82% of 1041 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 74% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.94–3.01 W |
| Power Density | 1.581 W/in³ More power-dense than 34% of 1759 Digital Standard servos |
| Torque Density | 1.6987 oz-in/g Stronger than 15% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 49.63 oz-in/in³ Denser torque than 14% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.19984 (1/sec·g) Faster than 85% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 8.50 Better balanced than 11% of 1031 Digital Standard servos |
| Torque Gain per Volt | 17.16%/V More voltage-responsive (torque) than 64% of 850 Digital Standard servos |
| Speed Gain per Volt | 23.80%/V More voltage-responsive (speed) than 91% of 871 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 9% of 1539 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0017 Finer dead band than 37% of 468 Digital Standard servos |
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