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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 14% of 192 Analog Standard servos at 4.8V |
| Speed | Average Faster than 39% of 190 Analog Standard servos at 4.8V |
| Weight | Average Lighter than 55% of 448 Analog Standard servos |
Performance Analysis
| Shaft Power | 0.41–0.60 W |
| Power Density | 0.337 W/in³ More power-dense than 21% of 437 Analog Standard servos |
| Torque Density | 0.8917 oz-in/g Stronger than 5% of 192 Analog Standard servos |
| Torque-to-Volume Ratio | 23.44 oz-in/in³ Denser torque than 13% of 192 Analog Standard servos |
| Speed-to-Weight | 0.11174 (1/sec·g) Faster than 48% of 190 Analog Standard servos |
| Speed-Torque Trade-off | 7.98 Better balanced than 15% of 190 Analog Standard servos |
| Torque Gain per Volt | 13.89%/V More voltage-responsive (torque) than 44% of 145 Analog Standard servos |
| Speed Gain per Volt | 22.22%/V More voltage-responsive (speed) than 87% of 147 Analog Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 63% of 229 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).