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Technical Specifications
Last Updated: 2026-10-08
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SPMSA3040 |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
28.00 oz-in
2.02 kg-cm
0.2 N-m
4.8V
23.00 oz-in
1.66 kg-cm
0.2 N-m
Average
|
| Speed |
6.0V
0.10 sec/60°
600.0 deg/s
100.0 RPM
4.8V
0.12 sec/60°
500.0 deg/s
83.3 RPM
Average
|
| Physical | |
| Weight | 0.44 oz12.6 gAverage |
| Dimensions |
L 0.929 in W 0.453 in H 1.004 in L 23.6 mm W 11.5 mm H 25.5 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Gear Spline/Teeth | 21 T |
| Rotation Mode | Positional |
| 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 | Average Stronger than 36% of 328 Digital Micro servos at 4.8V |
| Speed | Average Faster than 44% of 328 Digital Micro servos at 4.8V |
| Weight | Average Lighter than 37% of 620 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.35–0.52 W |
| Power Density | 1.225 W/in³ More power-dense than 26% of 590 Digital Micro servos |
| Torque Density | 1.8254 oz-in/g Stronger than 24% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 54.44 oz-in/in³ Denser torque than 25% of 327 Digital Micro servos |
| Speed-to-Weight | 0.66138 (1/sec·g) Faster than 38% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 2.76 Better balanced than 41% of 327 Digital Micro servos |
| Torque Gain per Volt | 18.12%/V More voltage-responsive (torque) than 55% of 268 Digital Micro servos |
| Speed Gain per Volt | 16.67%/V More voltage-responsive (speed) than 48% 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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Reviews (1)
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ABADIE
October 28, 2015Application(s): i need the courant max at 6v, or the power (w, for the SPEKTRUM A3040. Thank you
Comments: we want to use this engine for comand th position of spot light