Emax Es08ma Ii Datasheet !!install!! -

EMAX ES08MA II Datasheet: A Comprehensive Overview

The EMAX ES08MA II is a high-performance brushless motor designed for various applications, including robotics, drones, and industrial automation. This datasheet provides an in-depth look at the motor's specifications, features, and capabilities.

Introduction

The EMAX ES08MA II is a compact, high-torque brushless motor that offers exceptional performance and reliability. With its advanced design and high-quality materials, this motor is ideal for applications that require precise control, high efficiency, and long lifespan.

Key Features

• High-Torque Density: The ES08MA II boasts an impressive torque-to-weight ratio, making it an excellent choice for applications where space is limited.
• High-Efficiency: The motor's optimized design and high-quality bearings ensure minimal energy loss, resulting in reduced heat generation and increased overall efficiency.
• Long Lifespan: The ES08MA II features a durable design and high-quality components, guaranteeing a long lifespan and minimizing maintenance requirements.

Specifications

• Motor Type: Brushless DC (BLDC)
• Voltage: 11.1V
• Current: 4A
• Power: 55W
• Torque: 0.25 Nm
• Speed: 6000 RPM
• Weight: 55g
• Dimensions: 28.5 x 20 x 5.5mm

Performance Characteristics

• Torque-Speed Curve: The ES08MA II exhibits a linear torque-speed curve, ensuring consistent performance across a wide range of speeds.
• Efficiency Curve: The motor's efficiency curve shows a peak efficiency of 85% at 3000 RPM, demonstrating its ability to minimize energy consumption.

Mechanical and Electrical Characteristics

• Shaft Diameter: 3mm
• Shaft Length: 10mm
• Motor Connector: JST-XH 4P
• Phase Resistance: 0.012Ω
• Inductance: 0.034mH

Applications

The EMAX ES08MA II is suitable for a variety of applications, including:

• Robotics: Precise control and high torque make it ideal for robotic joints and grippers.
• Drones: High efficiency and reliability ensure stable and smooth flight performance.
• Industrial Automation: Accurate positioning and high torque density make it suitable for industrial automation applications.

Conclusion

The EMAX ES08MA II datasheet provides a comprehensive overview of this high-performance brushless motor. With its exceptional torque-to-weight ratio, high efficiency, and long lifespan, this motor is an excellent choice for various applications. Designers and engineers can confidently select the ES08MA II for their projects, knowing they are getting a reliable and high-performance motor.

EMAX ES08MA II is a high-performance, ultra-lightweight analog mini-servo featuring a durable metal gear train. It is widely used in small RC models, such as 250/450 class helicopters, gliders, and 1/24 scale crawlers like the Axial SCX24. Core Specifications Operating Voltage: 4.8V – 6.0V DC Stall Torque: Operating Speed: Dimensions: Technical Details Gear Type: Signal Type: Dead Band Width: Direction: Counter-clockwise / Pulse traveling Connector: JR / Futaba compatible Wire Length: Applications & Features

Ultra-thin casing for space-sensitive gliders and small robots. Durability:

Features a shock-resistant potentiometer and a dual-bearing design to minimize backlash over time.

Ideal for RC airplane control surfaces (ailerons/elevators) and high-torque requirements in mini-RC crawlers. Mini SERVO (ES08MAII) SERIES

EMAX ES08MA II is a compact, high-sensitivity analog micro servo featuring a full metal gear train, making it a popular choice for 250/450 class helicopters, small robots, and 1:18 scale RC cars. Technical Specifications Specification Operating Voltage 4.8V – 6.0V DC Stall Torque (4.8V) 1.6 kgf·cm (21.0 oz·in) Stall Torque (6.0V) 2.0 kgf·cm (28.0 oz·in) Operating Speed (4.8V) 0.12 sec/60° (no load) Operating Speed (6.0V) 0.10 sec/60° (no load) Dimensions 23 x 11.5 x 24 mm 12g (0.42 oz) Gear Material High-quality Metal Universal Futaba/JR Key Features Analog Circuitry:

Provides standard control response suitable for most RC and hobbyist projects. Durability:

Equipped with a metal gearbox and a shock-resistant potentiometer for improved longevity compared to plastic-geared alternatives. Operating Range:

Standard direction is counter-clockwise with a pulse travel of 1500 to 1900 µsec. Some sources indicate an extended range of 160° to 180° depending on the pulse width (500–2500 µsec). High Sensitivity:

Includes a "NOBLE" potentiometer designed for high accuracy and coherence. Wiring & Compatibility Connector: Emax Es08ma Ii Datasheet

Standard 3-pin universal plug compatible with most receivers (JR/Futaba). Cable Length: Typically 25 cm.

3D flight in foam airplanes, gliders, and small fixed-wing models. ReadyMadeRC Mini SERVO (ES08MAII) SERIES

The Emax ES08MA II Go to product viewer dialog for this item.

is a high-durability, 12g analog micro servo featuring a full metal gear train. It is widely used in RC airplanes, 450-class helicopters, and small robotics due to its crash-resistant design and high torque-to-weight ratio. Key Technical Specifications

The following technical details are sourced from the official Mini SERVO (ES08MAII) SERIES datasheet: Feature Specification @ 4.8V Specification @ 6.0V Stall Torque 1.6 Kgf·cm (21.0 oz·in) 2.0 Kgf·cm (28.0 oz·in) Operating Speed 0.12 sec/60° (at no load) 0.10 sec/60° (at no load) Operating Voltage 4.8V – 6.0V DC 4.8V – 6.0V DC Operating Current Dimensions 23 x 11.5 x 24 mm (approx. 1.25 x 0.45 x 0.94 in) Weight 12 g (0.42 oz) Gear Material Full Metal Plug Type Futaba / JR (Universal) Direction Counter-Clockwise (1500 to 1900 µsec) Helpful Applications and Use Cases

Aviation: Ideal for cyclic controls on 450-class helicopters and control surfaces for fixed-wing gliders.

RC Ground Vehicles: Frequently used as a steering servo for 1/16 scale off-road vehicles.

Robotics: Often utilized in 1lb to 3lb combat robotics and educational STEM projects using Raspberry Pi or Arduino. Comparison & Related Models

The Emax ES08MA II is a high-torque, 12g mini analog servo known for its durability due to an all-metal gear train . It is widely used in RC planes, 450-class helicopters, and small robotics like the SCX24 crawler . Core Performance Datasheet

The ES08MA II operates within a standard voltage range, with performance scaling based on the input power: Specification Stall Torque 1.6 kgf·cm (21.0 oz·in) 2.0 kgf·cm (28.0 oz·in) Operating Speed 0.12 sec / 60° 0.10 sec / 60° Running Current Stall Current Data sources:  Physical & Electrical Attributes EMAX ES08MA II Datasheet: A Comprehensive Overview The

The EMAX ES08MA II Go to product viewer dialog for this item.

is a widely used 12g mini analog servo known for its durability due to its metal gear construction. It is a popular upgrade for small RC vehicles like the Axial SCX24 and various small-scale aircraft or robot arms. Core Specifications

The following specifications are based on data from authoritative retailers such as ReadyMadeRC and GetFPV: Specification (at 4.8V) Specification (at 6.0V) Stall Torque 1.6 kg.cm (21.0 oz.in) 2.0 kg.cm (28.0 oz.in) Operating Speed 0.12 sec/60° 0.10 sec/60° Operating Voltage 4.8V – 6.0V DC Weight 12g (0.42 oz) Dimensions 23 x 11.5 x 24 mm Gear Material Signal Type Analog PWM Key Features

Durability: Features a full metal gear train designed to withstand higher stress than plastic-geared counterparts.

Precision: Uses a NOBLE potentiometer to help ensure higher accuracy and consistency in movement.

Compatibility: Equipped with a universal Futaba/JR plug and a 25 cm (approx. 10 inch) lead.

Application: Highly recommended for 1/24 scale crawlers, 450-class helicopters, and STEM robotics projects. Technical Considerations

8. Typical Performance Curves (6.0V)

• No-load current: 150 mA
• Stall current: 800 mA (peak)
• Temperature rise: 15°C above ambient after 2 min stalled (stall not recommended >5 sec)

2. Stripped Output Spline

• Symptom: Horn spins freely on the shaft.
• Cause: Using the wrong horn (e.g., SG90 21T) or excessive force.
• Solution: Ensure you use a 20T Futaba micro horn. Always use the included screw to secure the horn.

Part 2: The Datasheet Breakdown – Electrical & Mechanical Specifications

To understand where this servo thrives, we must dissect the datasheet line by line.

Overview

The Emax ES08MA II is an upgraded version of the popular ES08MA analog micro servo. It is distinguished by its metal gear train and carbon-brush motor, offering a balance of torque, speed, and durability for its size. This "II" revision typically features improved potentiometer stability and slightly refined tolerances over the original. It is widely used in micro RC aircraft (e.g., 250-450 size helicopters, foamies), lightweight robotics (walking robots, robotic arms), and small-scale DIY projects.

Part 1: Key Specifications at a Glance

Before diving into pinouts and timing diagrams, here are the headline specifications that define the ES08MA II. Note that "II" denotes the second generation, which features improved potentiometer linearity and a more robust control IC compared to the original ES08MA. High-Torque Density : The ES08MA II boasts an

| Parameter | Value | |-----------|-------| | Model | Emax ES08MA II | | Type | Micro Analog Servo | | Gear Material | Metal (Brass & Aluminum combination) | | Weight | 12.5g ± 0.2g | | Dimensions | 23 x 12.2 x 24 mm (0.91 x 0.48 x 0.94 in) | | Operating Voltage | 4.8V to 6.0V (6.0V recommended for max torque) | | Stall Torque (4.8V) | 1.6 kg·cm (22.2 oz·in) | | Stall Torque (6.0V) | 2.0 kg·cm (27.7 oz·in) | | Operating Speed (4.8V) | 0.12 sec/60° | | Operating Speed (6.0V) | 0.10 sec/60° | | Dead Band Width | ≤5 μs | | Temperature Range | -20°C to +60°C | | Connector Type | JR (Futaba compatible – 3-pin 0.1” spacing) | | Wire Length | 250 mm ±10 mm |

Critical Upgrade from ES08MA I: The "II" version uses a dual-ball bearing system on the output shaft, drastically reducing gear backlash and play over time.