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Technical Specifications
Last Updated: 2026-07-10
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
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 | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Standard |
| 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 | Average Stronger than 37% of 844 Digital Standard servos at 4.8V |
| Speed | Above Average Faster than 83% of 832 Digital Standard servos at 4.8V |
| Weight | Average Lighter than 57% of 1818 Digital Standard servos |
| Stall Current | Below Average Lower draw than 15% of 403 Digital Standard servos |
Performance Analysis
| Torque Density | 2.5833 oz-in/g Stronger than 38% of 833 Digital Standard servos |
| Torque-to-Volume Ratio | 82.24 oz-in/in³ Denser torque than 35% of 844 Digital Standard servos |
| Speed-to-Weight | 0.18939 (1/sec·g) Faster than 81% of 822 Digital Standard servos |
| Speed-Torque Trade-off | 13.64 Better balanced than 25% of 827 Digital Standard servos |
| Current-per-Torque Ratio | 0.0442 A/oz-in More efficient than 12% of 232 Digital Standard servos |
| Torque Gain per Volt | 17.92%/V More voltage-responsive (torque) than 70% of 674 Digital Standard servos |
| Speed Gain per Volt | 24.23%/V More voltage-responsive (speed) than 93% of 688 Digital Standard servos |
| Voltage Range Width | 3.6 V Wider voltage range than 75% of 1271 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0014 Finer dead band than 59% of 329 Digital Standard servos |
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