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Technical Specifications
Last Updated: 2026-09-16
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Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 31225S |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
67.00 oz-in
4.82 kg-cm
0.5 N-m
4.8V
54.00 oz-in
3.89 kg-cm
0.4 N-m
|
| Speed |
6.0V
0.11 sec/60°
545.5 deg/s
90.9 RPM
4.8V
0.14 sec/60°
428.6 deg/s
71.4 RPM
|
| Running Current | (add) |
| Stall Current | ≤1.2 A≤1200 mA |
| Physical | |
| Weight | 0.95 oz26.9 g |
| Dimensions |
L 1.27 in W 0.66 in H 1.22 in L 32.3 mm W 16.8 mm H 31.0 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | 3-pole |
| Motor Drive | (add) |
| Gears | Plastic |
| Gear Spline/Teeth | 25 T estimate |
| Shaft Size | 6.0 mm |
| Rotation Mode | Positional |
| Rotation/Support | Single Bearing |
| Backlash | 0.500° |
| Control & Signal | |
| Modulation | Analog |
| Direction | (add) |
| Rotational Range | 80° |
| Mechanical Limit | (add) |
| Pulse Cycle | 20 ms |
| Pulse Width | 900-2100 µs |
| Neutral Position | (add) |
| Dead Band | 8 µs |
| Refresh Rate | (add) |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | No |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | -20–60 °C-4–140 °F |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | 0.008 A8 mA |
| Connectivity | |
| Connector | S |
| Wire Length | 300 mm11.81 in |
| Origin | |
| Country of Origin | Philippines |
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.
Performance Analysis
| Shaft Power | 0.71–1.13 W |
| Torque Density | 2.0074 oz-in/g Stronger than 53% of the 67 Analog Mini servos in the database |
| Torque-to-Volume Ratio | 52.81 oz-in/in³ Denser torque than 52% of the 67 Analog Mini servos in the database |
| Power Density | 1.101 W/in³ More power-dense than 78% of the 166 Analog Mini servos in the database |
| Speed-to-Weight | 0.26553 (1/sec·g) Faster than 21% of the 67 Analog Mini servos in the database |
| Speed-Torque Trade-off | 7.56 Better balanced than 85% of the 67 Analog Mini servos in the database |
| Current-per-Torque Ratio | 0.0222 A/oz-in More efficient than 44% of the 55 Hitec servos in the database |
| Torque Gain per Volt | 20.06%/V More voltage-responsive (torque) than 89% of the 46 Analog Mini servos in the database |
| Speed Gain per Volt | 22.73%/V 5th-highest speed gain per volt of 47 Analog Mini servos |
| Voltage Range Width | 1.2 V Wider voltage range than 82% of the 77 Analog Mini servos in the database |
| Backlash-to-Range Ratio | 0.00625 Tighter backlash than 17% of the 24 Hobby servos in the database |
| Dead-Band-to-Pulse-Width Ratio | 0.0067 Finer dead band than 25% of the 58 Hitec servos in the database |
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Reviews (2)
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Willettfx
January 1, 2016Application(s): Animatronics
Comments: Great servo have 8 of them. Prices $17 each.
GT
May 1, 2015Application(s): .25 to .40 glow all surfaces
Comments: Fantastic servo for medium size glow use. I do use at 6 volt.