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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KM1203MDT |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
100.01 oz-in
7.20 kg-cm
0.7 N-m
7.4V
91.67 oz-in
6.60 kg-cm
0.6 N-m
6.0V
80.56 oz-in
5.80 kg-cm
0.6 N-m
5.0V
63.89 oz-in
4.60 kg-cm
0.5 N-m
Above 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
5.0V
0.07 sec/60°
857.1 deg/s
142.9 RPM
Above Average
|
| Physical | |
| Weight | 0.72 oz20.3 gBelow Average |
| Dimensions |
L 0.91 in W 0.47 in H 1.07 in L 23.1 mm W 11.9 mm H 27.2 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Pulse Cycle | 3.03 ms |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 330 Hz |
| Angle Sensor | Potentiometer |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 5–8.4 V |
| Water Rating | None |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 315 mm12.4 in |
| Origin | |
| Country of Origin | China |
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 86% of 328 Digital Micro servos at 5.0V |
| Speed | Above Average Faster than 87% of 328 Digital Micro servos at 5.0V |
| Weight | Below Average Lighter than 11% of 620 Digital Micro servos |
Performance Analysis
| Shaft Power | 1.69–4.62 W |
| Power Density | 10.102 W/in³ More power-dense than 95% of 590 Digital Micro servos |
| Torque Density | 3.1473 oz-in/g Stronger than 75% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 139.61 oz-in/in³ Denser torque than 83% of 327 Digital Micro servos |
| Speed-to-Weight | 0.70373 (1/sec·g) Faster than 47% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 4.47 Better balanced than 71% of 327 Digital Micro servos |
| Torque Gain per Volt | 16.63%/V More voltage-responsive (torque) than 45% of 268 Digital Micro servos |
| Speed Gain per Volt | 22.06%/V More voltage-responsive (speed) than 74% of 273 Digital Micro servos |
| Voltage Range Width | 3.4 V Wider voltage range than 74% of 511 Digital Micro servos |
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