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Technical Specifications
Last Updated: 2026-09-13Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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| Identity | |
| Brand |  |
| Product Number | (add) |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
51.00 oz-in
3.67 kg-cm
0.4 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
|
| Running Current | (add) |
| Stall Current | (add) |
| 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 |
| Case Material | (add) |
| Drivetrain | |
| Motor Type | 3-pole |
| Motor Drive | (add) |
| Gears | Plastic |
| Gear Spline/Teeth | 24 T estimate |
| Shaft Size | (add) |
| Rotation Mode | Positional |
| Rotation/Support | Bushing |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Analog |
| Direction | Clockwise |
| Rotational Range | 90° |
| Mechanical Limit | (add) |
| Pulse Cycle | 20 ms |
| Pulse Width | 900-2100 µs |
| Neutral Position | 1500 µs |
| Dead Band | 8 µs |
| Refresh Rate | 50 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | No |
| Signal Voltage | 3-5V |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Power Source | External |
| Regulator Type | Direct |
| Temperature | -20–60 °C-4–140 °F |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | 0.008 A8 mA |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 300 mm11.81 in |
| Origin | |
| Country of Origin | (add) |
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 the 157 Analog Standard servos at 4.8V |
| Speed | Average Faster than 41% of the 156 Analog Standard servos at 4.8V |
| Weight | Average Lighter than 53% of the 430 Analog Standard servos |
Performance Analysis
| Shaft Power | 0.41–0.63 W |
| Torque Density | 0.8917 oz-in/g Stronger than 6% of the 157 Analog Standard servos in the database |
| Torque-to-Volume Ratio | 23.44 oz-in/in³ Denser torque than 15% of the 157 Analog Standard servos in the database |
| Power Density | 0.351 W/in³ More power-dense than 23% of the 421 Analog Standard servos in the database |
| Speed-to-Weight | 0.11174 (1/sec·g) Faster than 51% of the 156 Analog Standard servos in the database |
| Speed-Torque Trade-off | 7.98 Better balanced than 15% of the 156 Analog Standard servos in the database |
| Torque Gain per Volt | 17.86%/V More voltage-responsive (torque) than 68% of the 121 Analog Standard servos in the database |
| Speed Gain per Volt | 22.22%/V More voltage-responsive (speed) than 88% of the 122 Analog Standard servos in the database |
| Voltage Range Width | 1.2 V Wider voltage range than 65% of the 186 Analog Standard servos in the database |
| Dead-Band-to-Pulse-Width Ratio | 0.0067 Finer dead band than 19% of the 37 Analog Standard servos in the database |
Notes
This servo was replaced by the HS-322. It also came in a ball bearing version, HS-300BB, with all other specs identical.
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Reviews (3)
-
Boater
March 18, 2018Application(s): Rudder for Boat All controls on plane
Comments: They did the job with no problems at all
ayadi
September 20, 2017Application(s): construction robot
Comments: happy
sploutchnick
May 20, 2015Application(s): training plane
Comments: I don't like this servo very much. Mine are oldtimers - beginning of the nineties! - and came as I used Graupner C505, Sanwa SM631 and Robbe RS 100. I noticed they were a bit more powerful and perhaps speedy - read what was my comparison basis... - but I found they were noisy, gritty like there was sand inside the gears, and I haven't the same building quality feeling. So, decent servos, but they don't have any interest in front of nowadays chinese high-entry level (!) like towerpro 996, IMHO.