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Technical Specifications
Last Updated: 2026-10-08
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SPMSA5070 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
8.4V
190.58 oz-in
13.72 kg-cm
1.3 N-m
6.0V
146.43 oz-in
10.54 kg-cm
1.0 N-m
Top 10%
|
| Speed |
8.4V
0.08 sec/60°
769.2 deg/s
128.2 RPM
8.4V
0.08 sec/60°
769.2 deg/s
128.2 RPM
6.0V
0.09 sec/60°
638.3 deg/s
106.4 RPM
Above Average
6.0V
0.09 sec/60°
638.3 deg/s
106.4 RPM
Above Average
|
| Stall Current | ≤2.9 A≤2900 mABelow Average |
| Physical | |
| Weight | 1.41 oz40.0 gBottom 10% |
| Dimensions |
L 1.32 in W 0.59 in H 1.16 in L 33.5 mm W 15.0 mm H 29.5 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Metal |
| Gear Spline/Teeth | 23 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 120° |
| Pulse Width | 1000-2000 µs |
| Neutral Position | 1500 µs |
| Dead Band | 2 µs |
| Refresh Rate | 333 Hz |
| Control System | PWM |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Idle Current | 0.000 A0 mA |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 300 mm11.81 in |
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 | Top 10% Stronger than 92% of 262 Digital Mini servos at 6.0V |
| Speed | Above Average Faster than 72% of 263 Digital Mini servos at 6.0V |
| Weight | Bottom 10% Lighter than 9% of 466 Digital Mini servos |
| Stall Current | Below Average Lower draw than 17% of 76 Digital Mini servos |
Performance Analysis
| Shaft Power | 2.88–4.52 W |
| Power Density | 5.001 W/in³ More power-dense than 85% of 440 Digital Mini servos |
| Torque Density | 3.6608 oz-in/g Stronger than 81% of 258 Digital Mini servos |
| Torque-to-Volume Ratio | 162.09 oz-in/in³ Denser torque than 85% of 262 Digital Mini servos |
| Speed-to-Weight | 0.26596 (1/sec·g) Faster than 31% of 259 Digital Mini servos |
| Speed-Torque Trade-off | 13.76 Better balanced than 83% of 261 Digital Mini servos |
| Current-per-Torque Ratio | 0.0198 A/oz-in More efficient than 73% of 52 Digital Mini servos |
| Torque Gain per Volt | 12.56%/V More voltage-responsive (torque) than 21% of 232 Digital Mini servos |
| Speed Gain per Volt | 8.54%/V More voltage-responsive (speed) than 10% of 235 Digital Mini servos |
| Voltage Range Width | 2.4 V Wider voltage range than 57% of 351 Digital Mini servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 37% of 77 Digital Mini servos |
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