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Technical Specifications
Last Updated: 2026-09-16
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | S7945 |
| Category | Hobby |
| Performance | |
| Torque |
6.0V191.67 oz-in13.80 kg-cm1.4 N-m |
| Speed |
6.0V0.18 sec/60°333.3 deg/s55.6 RPM |
| Stall Current | 1.61–1.95 A1610–1950 mAAbove Average |
| Physical | |
| Weight | 1.87 oz53.0 gAbove Average |
| Dimensions |
L 1.57 in W 0.77 in H 1.54 in L 39.9 mm W 19.6 mm H 39.1 mm |
| Drivetrain | |
| Motor Type | 3-pole |
| Gears | Metal |
| Gear Spline/Teeth | 23 T estimate |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 90° |
| Pulse Cycle | 3 ms |
| Neutral Position | 1500 µs |
| Refresh Rate | 333 Hz |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Idle Current | 0.008 A8 mA |
| 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
| Weight | Above Average Lighter than 81% of 1880 Digital Standard servos |
| Stall Current | Above Average Lower draw than 88% of 570 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.97 W |
| Power Density | 1.058 W/in³ More power-dense than 19% of 1768 Digital Standard servos |
| Torque Density | 3.6164 oz-in/g |
| Torque-to-Volume Ratio | 102.95 oz-in/in³ |
| Speed-to-Weight | 0.10482 (1/sec·g) |
| Speed-Torque Trade-off | 34.50 |
| Current-per-Torque Ratio | 0.0102 A/oz-in |
| Voltage Range Width | 1.2 V Wider voltage range than 23% of 1560 Digital Standard servos |
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Reviews (1)
Includes 1 review aggregated from around the web.
Italian pilots call it precise with good strength on a large tug, but warn the quoted speed is measured over a short travel, so it feels slower than it looks. Price-performance is considered reasonable.
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