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Technical Specifications
Last Updated: 2026-09-16
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 31305S |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
49.00 oz-in
3.53 kg-cm
0.3 N-m
4.8V
42.00 oz-in
3.02 kg-cm
0.3 N-m
Below Average
|
| Speed |
6.0V
0.15 sec/60°
400.0 deg/s
66.7 RPM
4.8V
0.19 sec/60°
315.8 deg/s
52.6 RPM
Average
|
| Physical | |
| Weight | 1.66 oz47.1 gAverage |
| Dimensions |
L 1.60 in W 0.80 in H 1.40 in L 40.6 mm W 20.3 mm H 35.6 mm |
| Drivetrain | |
| Motor Type | 3-pole |
| Gears | Plastic |
| Gear Spline/Teeth | 24 T estimate |
| Rotation Mode | Positional |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Analog |
| Rotational Range | 180° |
| Pulse Cycle | 20 ms |
| Pulse Width | 900-2100 µs |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Power Source | External |
| Regulator Type | Direct |
| Connectivity | |
| Connector | S |
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 15% of 198 Analog Standard servos at 4.8V |
| Speed | Average Faster than 45% of 195 Analog Standard servos at 4.8V |
| Weight | Average Lighter than 55% of 447 Analog Standard servos |
Performance Analysis
| Shaft Power | 0.41–0.60 W |
| Power Density | 0.337 W/in³ More power-dense than 22% of 432 Analog Standard servos |
| Torque Density | 0.8917 oz-in/g Stronger than 6% of 198 Analog Standard servos |
| Torque-to-Volume Ratio | 23.44 oz-in/in³ Denser torque than 13% of 198 Analog Standard servos |
| Speed-to-Weight | 0.11174 (1/sec·g) Faster than 52% of 195 Analog Standard servos |
| Speed-Torque Trade-off | 7.98 Better balanced than 14% of 195 Analog Standard servos |
| Torque Gain per Volt | 13.89%/V More voltage-responsive (torque) than 48% of 156 Analog Standard servos |
| Speed Gain per Volt | 22.22%/V More voltage-responsive (speed) than 89% of 156 Analog Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 62% of 239 Analog Standard servos |
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Reviews (1)
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b525
October 31, 2010Application(s): robotic aplication
Comments: I will use as hs 300 bb steering motor of a robot (left right).