Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-09-13
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | JRPS539 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
4.8V70.82 oz-in5.10 kg-cm0.5 N-mAverage |
| Speed |
4.8V0.23 sec/60°260.9 deg/s43.5 RPMBelow Average |
| Physical | |
| Weight | 1.34 oz38.0 gAbove Average |
| Dimensions |
L 1.28 in W 0.75 in H 1.52 in L 32.5 mm W 19.0 mm H 38.6 mm |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Plastic |
| Gear Spline/Teeth | 23 T estimate |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Analog |
| Electrical & Environment | |
| Operating Voltage | 4.8–4.8 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 44% of 198 Analog Standard servos at 4.8V |
| Speed | Below Average Faster than 14% of 195 Analog Standard servos at 4.8V |
| Weight | Above Average Lighter than 89% of 447 Analog Standard servos |
Performance Analysis
| Shaft Power | 0.57 W |
| Power Density | 0.390 W/in³ More power-dense than 29% of 432 Analog Standard servos |
| Torque Density | 1.8637 oz-in/g Stronger than 58% of 198 Analog Standard servos |
| Torque-to-Volume Ratio | 48.53 oz-in/in³ Denser torque than 57% of 198 Analog Standard servos |
| Speed-to-Weight | 0.11442 (1/sec·g) Faster than 54% of 195 Analog Standard servos |
| Speed-Torque Trade-off | 16.29 Better balanced than 60% of 195 Analog Standard servos |
| Voltage Range Width | 0.0 V Wider voltage range than 1% of 239 Analog Standard servos |
Similar Active Servos
Reviews of JR ES539
Be the first to review!