Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | FZ825 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
416.40 oz-in
29.98 kg-cm
2.9 N-m
7.4V
347.00 oz-in
24.99 kg-cm
2.5 N-m
6.0V
277.60 oz-in
19.99 kg-cm
2.0 N-m
Average
|
| Speed |
8.4V
0.12 sec/60°
500.0 deg/s
83.3 RPM
7.4V
0.14 sec/60°
428.6 deg/s
71.4 RPM
6.0V
0.15 sec/60°
400.0 deg/s
66.7 RPM
Average
|
| Physical | |
| Weight | 2.47 oz70.0 gBelow Average |
| Dimensions |
L 1.575 in W 0.787 in H 1.496 in L 40.0 mm W 20.0 mm H 38.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 100° |
| Pulse Cycle | 3.003 ms |
| Pulse Width | 1000-2000 µs |
| Neutral Position | 1520 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Signal Voltage | 3.3–5.0V |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Temperature | -20–65 °C-4–149 °F |
| Connectivity | |
| Connector | JR (Universal) estimate |
| 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 | Average Stronger than 62% of 1060 Digital Standard servos at 6.0V |
| Speed | Average Faster than 42% of 1045 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 35% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 3.42–6.42 W |
| Power Density | 3.458 W/in³ More power-dense than 66% of 1768 Digital Standard servos |
| Torque Density | 3.9657 oz-in/g Stronger than 60% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 149.64 oz-in/in³ Denser torque than 65% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.09524 (1/sec·g) Faster than 31% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 41.64 Better balanced than 67% of 1034 Digital Standard servos |
| Torque Gain per Volt | 20.83%/V More voltage-responsive (torque) than 83% of 873 Digital Standard servos |
| Speed Gain per Volt | 10.42%/V More voltage-responsive (speed) than 19% of 874 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 57% of 1560 Digital Standard servos |
Similar Active Servos
Reviews of KST FZ825
Be the first to review!