Description
The EMAX ES3003 Analog Servo is a versatile, high-performance actuator designed to balance compact size with reliable power. Weighing just 17g, this servo is engineered for RC airplanes and small-scale robotic projects requiring robust torque. Despite its small footprint, it provides ample power for applications up to 3kg-cm, making it a dependable choice for control surfaces and precision linkages.
The ES3003 features a durable plastic gear set and is designed for straightforward integration, featuring standard Futaba/JR-compatible plugs. Its reliable analog control and excellent torque-to-weight ratio make it a favorite for both hobbyists and DIY engineers. The package comes complete with a full set of servo horns and mounting accessories, ensuring you have everything needed for a seamless installation.
Note: Product images are for reference only. The actual product may vary slightly in appearance or manufacturer markings depending on stock availability.
Key Features
- Compact & Powerful: Lightweight 17g design providing high torque, perfect for space-constrained RC airframes.
- High Torque Output: Delivers up to 3.5kg-cm of stall torque at 6V, ensuring reliable operation for various control surfaces.
- Reliable Analog Response: Provides smooth, predictable movement essential for stable flight characteristics.
- Durable Plastic Gears: Engineered for toughness and longevity in standard flight conditions.
- Wide Compatibility: Equipped with industry-standard FUT/JR plugs, making it compatible with most RC receivers.
- Easy Wiring: Clearly color-coded wiring (Red: Vcc, Brown: GND, Orange: PWM) simplifies installation for beginners and pros alike.
- Complete Accessory Kit: Includes multiple servo horns and mounting hardware for versatile mounting configurations.
- Efficient Operation: Optimized for use with standard 4.8V to 6V power systems.
Benefits
- Excellent Value: Combines professional-grade reliability with a budget-friendly price point.
- Flight Stability: Precise centering and response times help maintain steady flight paths in small to medium RC aircraft.
- Lightweight Design: Helps keep your aircraft’s total weight low, maximizing flight efficiency and duration.
- Versatile Mounting: Multiple horn options allow for custom mechanical linkages in various aircraft designs.
- Maintenance-Friendly: Robust build quality and standard interfaces ensure ease of replacement and integration into existing fleets.
Applications
- RC Airplanes: Perfect for ailerons, elevators, and rudder controls in small to mid-sized model planes.
- Custom Robotics: Highly adaptable for robotic joints, camera gimbals, or steering mechanisms.
- DIY Engineering: Ideal for any hobbyist project needing a compact, reliable angular positioner.
- Automation: Suitable for small-scale switching, latching, or indexing mechanisms in automated setups.
Package Includes
- 1 x EMAX ES3003 17g 3.5kg-cm Plastic Gear Analog Servo
- 1 x Servo Horns and Accessories Set
Specifications
| Parameter | Specification |
|---|---|
| Model Name | ES3003 |
| Operating Voltage | 4.8V to 6V DC |
| Operating Speed (@4.8V) | 0.15 sec/60° (no load) |
| Stall Torque (@4.8V) | 3 kg-cm |
| Operating Speed (@6V) | 0.13 sec/60° (no load) |
| Stall Torque (@6V) | 3.5 kg-cm |
| Dimensions | 28.45 (L) x 13 (W) x 31 (H) mm |
| Weight | 17g |
| Shipping Weight | 0.07 kg |
| Shipping Dimensions | 5 × 4 × 3 cm |








