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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | DS255BLHV |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
255.00 oz-in
18.36 kg-cm
1.8 N-m
7.4V
225.00 oz-in
16.20 kg-cm
1.6 N-m
6.6V
185.00 oz-in
13.32 kg-cm
1.3 N-m
6.0V
175.00 oz-in
12.60 kg-cm
1.2 N-m
4.8V
155.00 oz-in
11.16 kg-cm
1.1 N-m
Below Average
|
| Speed |
8.4V
0.05 sec/60°
1,276.6 deg/s
212.8 RPM
7.4V
0.06 sec/60°
1,052.6 deg/s
175.4 RPM
6.6V
0.06 sec/60°
983.6 deg/s
163.9 RPM
6.0V
0.07 sec/60°
821.9 deg/s
137.0 RPM
4.8V
0.09 sec/60°
681.8 deg/s
113.6 RPM
Above Average
|
| Stall Current | 4.23–6.85 A4230–6850 mABelow Average |
| Physical | |
| Weight | 2.12 oz60.0 gAverage |
| Dimensions |
L 1.58 in W 0.79 in H 1.51 in L 40.1 mm W 20.1 mm H 38.4 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 125° |
| Mechanical Limit | 220° |
| Pulse Width | 800-2200 µs |
| Neutral Position | 1500 µs |
| Dead Band | 2 µs |
| Refresh Rate | 330 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Temperature | -10–50 °C14–122 °F |
| Water Rating | Water Resistant |
| Connectivity | |
| Connector | JR (Universal) |
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 33% of 1044 Digital Standard servos at 4.8V |
| Speed | Above Average Faster than 84% of 1030 Digital Standard servos at 4.8V |
| Weight | Average Lighter than 59% of 1898 Digital Standard servos |
| Stall Current | Below Average Lower draw than 11% of 550 Digital Standard servos |
Performance Analysis
| Torque Density | 2.5833 oz-in/g Stronger than 35% of 1039 Digital Standard servos |
| Torque-to-Volume Ratio | 82.24 oz-in/in³ Denser torque than 32% of 1043 Digital Standard servos |
| Speed-to-Weight | 0.18939 (1/sec·g) Faster than 84% of 1025 Digital Standard servos |
| Speed-Torque Trade-off | 13.64 Better balanced than 21% of 1021 Digital Standard servos |
| Current-per-Torque Ratio | 0.0442 A/oz-in More efficient than 7% of 321 Digital Standard servos |
| Torque Gain per Volt | 17.92%/V More voltage-responsive (torque) than 69% of 845 Digital Standard servos |
| Speed Gain per Volt | 24.23%/V More voltage-responsive (speed) than 94% of 855 Digital Standard servos |
| Voltage Range Width | 3.6 V Wider voltage range than 74% of 1551 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0014 Finer dead band than 55% of 482 Digital Standard servos |
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