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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KST-0812 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
83.28 oz-in
6.00 kg-cm
0.6 N-m
7.4V
69.40 oz-in
5.00 kg-cm
0.5 N-m
6.0V
55.52 oz-in
4.00 kg-cm
0.4 N-m
Average
|
| Speed |
8.4V
0.04 sec/60°
1,500.0 deg/s
250.0 RPM
7.4V
0.05 sec/60°
1,200.0 deg/s
200.0 RPM
6.0V
0.06 sec/60°
1,000.0 deg/s
166.7 RPM
Top 10%
|
| Physical | |
| Weight | 1.41 oz40.0 gBelow Average |
| Dimensions |
L 1.398 in W 0.591 in H 1.287 in L 35.5 mm W 15.0 mm H 32.7 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Pulse Cycle | 1.7857 ms |
| Pulse Width | 450-4050 µs |
| Neutral Position | 760 µs |
| Refresh Rate | 560 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Signal Voltage | 3.3–5V |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Power Source | 2S LiPo |
| Temperature | -10–65 °C14–149 °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 | Average Stronger than 48% of 284 Digital Mini servos at 6.0V |
| Speed | Top 10% Faster than 94% of 288 Digital Mini servos at 6.0V |
| Weight | Below Average Lighter than 11% of 490 Digital Mini servos |
Performance Analysis
| Shaft Power | 1.71–3.85 W |
| Power Density | 3.623 W/in³ More power-dense than 76% of 468 Digital Mini servos |
| Torque Density | 1.3880 oz-in/g Stronger than 13% of 280 Digital Mini servos |
| Torque-to-Volume Ratio | 52.25 oz-in/in³ Denser torque than 25% of 282 Digital Mini servos |
| Speed-to-Weight | 0.41667 (1/sec·g) Faster than 64% of 284 Digital Mini servos |
| Speed-Torque Trade-off | 3.33 Better balanced than 18% of 282 Digital Mini servos |
| Torque Gain per Volt | 20.83%/V More voltage-responsive (torque) than 76% of 252 Digital Mini servos |
| Speed Gain per Volt | 20.83%/V More voltage-responsive (speed) than 76% of 258 Digital Mini servos |
| Voltage Range Width | 2.4 V Wider voltage range than 55% of 396 Digital Mini servos |
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Reviews (8)
Includes 8 reviews aggregated from around the web.
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