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Technical Specifications
Last Updated: 2026-10-08
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 37945S |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
7.4V
319.00 oz-in
22.97 kg-cm
2.3 N-m
6.0V
250.00 oz-in
18.00 kg-cm
1.8 N-m
Average
|
| Speed |
7.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
Above Average
|
| Physical | |
| Weight | 2.40 oz68.0 gAverage |
| Dimensions |
L 1.57 in W 0.79 in H 1.50 in L 39.9 mm W 20.1 mm H 38.1 mm |
| Case Material | Plastic / Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Titanium |
| Gear Spline/Teeth | 24 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Pulse Cycle | 20 ms |
| Pulse Width | 900-2100 µs |
| Neutral Position | 1500 µs |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Water Rating | Waterproof |
| 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 58% of 1043 Digital Standard servos at 6.0V |
| Speed | Above Average Faster than 65% of 1041 Digital Standard servos at 6.0V |
| Weight | Average Lighter than 38% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 3.85–5.90 W |
| Power Density | 3.170 W/in³ More power-dense than 61% of 1759 Digital Standard servos |
| Torque Density | 3.6765 oz-in/g Stronger than 53% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 134.38 oz-in/in³ Denser torque than 58% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.12255 (1/sec·g) Faster than 55% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 30.00 Better balanced than 52% of 1031 Digital Standard servos |
| Torque Gain per Volt | 19.71%/V More voltage-responsive (torque) than 77% of 850 Digital Standard servos |
| Speed Gain per Volt | 14.29%/V More voltage-responsive (speed) than 44% of 871 Digital Standard servos |
| Voltage Range Width | 1.4 V Wider voltage range than 37% of 1539 Digital Standard servos |
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