Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-10-25
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | S04378842 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
444.38 oz-in
32.00 kg-cm
3.1 N-m
7.4V
416.61 oz-in
30.00 kg-cm
2.9 N-m
6.0V
374.95 oz-in
27.00 kg-cm
2.6 N-m
5.0V
305.51 oz-in
22.00 kg-cm
2.2 N-m
Above Average
|
| Speed |
8.4V0.06 sec/60°952.4 deg/s158.7 RPM |
| Physical | |
| Weight | 2.48 oz70.2 gBelow Average |
| Dimensions |
L 1.57 in W 0.79 in H 1.45 in L 39.9 mm W 20.1 mm H 36.8 mm |
| Case Material | Metal / Plastic |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Titanium |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Pulse Width | 500-2500 µs |
| Dead Band | 2 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 5–8.4 V |
| Power Source | 2S LiPo |
| Water Rating | Waterproof |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 300 mm11.81 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 | Above Average Stronger than 68% of 1055 Digital Standard servos at 5.0V |
| Weight | Below Average Lighter than 33% of 1872 Digital Standard servos |
Performance Analysis
| Shaft Power | 13.04 W |
| Power Density | 7.252 W/in³ More power-dense than 92% of 1762 Digital Standard servos |
| Torque Density | 4.3520 oz-in/g Stronger than 68% of 1048 Digital Standard servos |
| Torque-to-Volume Ratio | 169.88 oz-in/in³ Denser torque than 73% of 1053 Digital Standard servos |
| Speed-to-Weight | 0.22611 (1/sec·g) |
| Speed-Torque Trade-off | 19.25 |
| Torque Gain per Volt | 13.37%/V More voltage-responsive (torque) than 35% of 868 Digital Standard servos |
| Voltage Range Width | 3.4 V Wider voltage range than 71% of 1552 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 76% of 501 Digital Standard servos |
Similar Active Servos
Reviews of PTK 8842
Be the first to review!