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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KST-DS315MG |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
66.63 oz-in
4.80 kg-cm
0.5 N-m
7.4V
59.68 oz-in
4.30 kg-cm
0.4 N-m
6.0V
48.58 oz-in
3.50 kg-cm
0.3 N-m
4.8V
38.87 oz-in
2.80 kg-cm
0.3 N-m
Above Average
|
| Speed |
8.4V
0.07 sec/60°
857.1 deg/s
142.9 RPM
7.4V
0.08 sec/60°
750.0 deg/s
125.0 RPM
6.0V
0.09 sec/60°
666.7 deg/s
111.1 RPM
4.8V
0.10 sec/60°
600.0 deg/s
100.0 RPM
Average
|
| Physical | |
| Weight | 0.72 oz20.5 gBelow Average |
| Dimensions |
L 0.906 in W 0.472 in H 1.083 in L 23.0 mm W 12.0 mm H 27.5 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 140° |
| Pulse Cycle | 3.003 ms |
| Pulse Width | 900-2100 µs |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 333 Hz |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Temperature | -20–65 °C-4–149 °F |
| Connectivity | |
| Connector | JR (Universal) estimate |
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 | Above Average Stronger than 72% of 328 Digital Micro servos at 4.8V |
| Speed | Average Faster than 62% of 328 Digital Micro servos at 4.8V |
| Weight | Below Average Lighter than 10% of 620 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.72–1.76 W |
| Power Density | 3.800 W/in³ More power-dense than 68% of 590 Digital Micro servos |
| Torque Density | 1.8961 oz-in/g Stronger than 28% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 83.93 oz-in/in³ Denser torque than 61% of 327 Digital Micro servos |
| Speed-to-Weight | 0.48781 (1/sec·g) Faster than 15% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 3.89 Better balanced than 65% of 327 Digital Micro servos |
| Torque Gain per Volt | 19.84%/V More voltage-responsive (torque) than 66% of 268 Digital Micro servos |
| Speed Gain per Volt | 11.90%/V More voltage-responsive (speed) than 18% of 273 Digital Micro servos |
| Voltage Range Width | 3.6 V Wider voltage range than 87% of 511 Digital Micro servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0017 Finer dead band than 38% of 189 Digital Micro servos |
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