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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | WP90 Servo |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
31.94 oz-in
2.30 kg-cm
0.2 N-m
4.8V
26.25 oz-in
1.89 kg-cm
0.2 N-m
|
| Speed |
6.0V
0.10 sec/60°
600.0 deg/s
100.0 RPM
4.8V
0.13 sec/60°
480.0 deg/s
80.0 RPM
|
| Running Current |
6.0V
0.150 A
150 mA
4.8V
0.120 A
120 mA
|
| Stall Current | ≤1 A≤1000 mAAverage |
| Physical | |
| Weight | 0.46 oz13.0 gBelow Average |
| Dimensions |
L 0.913 in W 0.476 in H 1.004 in L 23.2 mm W 12.1 mm H 25.5 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Copper |
| Rotation Mode | Positional |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Mechanical Limit | No Limit |
| Pulse Width | 500-2500 µs |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 3–8.4 V |
| Certification | RoHS |
| Idle Current | 0.150 A150 mA |
| Connectivity | |
| Connector | JR (Universal) |
| Origin | |
| Country of Origin | China |
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 | Below Average Lighter than 34% of 597 Digital Micro servos |
| Stall Current | Average Lower draw than 49% of 188 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.39–0.59 W |
| Power Density | 1.352 W/in³ More power-dense than 33% of 563 Digital Micro servos |
| Torque Density | 2.0192 oz-in/g |
| Torque-to-Volume Ratio | 60.09 oz-in/in³ |
| Speed-to-Weight | 0.61539 (1/sec·g) |
| Speed-Torque Trade-off | 3.28 |
| Current-per-Torque Ratio | 0.0381 A/oz-in |
| Idle-to-Running Current Ratio | 1.250 |
| No-Load vs Stall Current Spread | 8.33 |
| Voltage Range Width | 5.4 V 2nd-highest voltage range width of 496 Digital Micro servos |
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