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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SPMSA3020 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
22.00 oz-in
1.58 kg-cm
0.2 N-m
4.8V
18.00 oz-in
1.30 kg-cm
0.1 N-m
Below Average
|
| Speed |
6.0V
0.08 sec/60°
750.0 deg/s
125.0 RPM
4.8V
0.09 sec/60°
666.7 deg/s
111.1 RPM
Above Average
|
| Physical | |
| Weight | 0.44 oz12.6 gAverage |
| Dimensions |
L 0.929 in W 0.43 in H 1.004 in L 23.6 mm W 10.9 mm H 25.5 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Digital |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| 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 20% of 328 Digital Micro servos at 4.8V |
| Speed | Above Average Faster than 72% of 328 Digital Micro servos at 4.8V |
| Weight | Average Lighter than 37% of 620 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.37–0.51 W |
| Power Density | 1.268 W/in³ More power-dense than 28% of 590 Digital Micro servos |
| Torque Density | 1.4286 oz-in/g Stronger than 7% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 44.88 oz-in/in³ Denser torque than 16% of 327 Digital Micro servos |
| Speed-to-Weight | 0.88183 (1/sec·g) Faster than 64% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 1.62 Better balanced than 19% of 327 Digital Micro servos |
| Torque Gain per Volt | 18.52%/V More voltage-responsive (torque) than 58% of 268 Digital Micro servos |
| Speed Gain per Volt | 10.41%/V More voltage-responsive (speed) than 10% of 273 Digital Micro servos |
| Voltage Range Width | 1.2 V Wider voltage range than 31% of 511 Digital Micro servos |
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