The EMAX ES08MA II is a 12-gram analog micro servo featuring metal gears designed for high-stress applications in RC aircraft and robotics. Operating between 4.8V and 6.0V, it provides up to 2.0 kg.cm of stall torque with high durability compared to plastic-geared alternatives. For detailed specifications and technical data, you can consult the manufacturer's official documentation.
Not recommended for: Continuous rotation applications (this is a positional servo), high-vibration engines, or sub-zero outdoor use without preheating.
| Parameter | Value | |-----------|-------| | Type | Analog (not digital) | | Dimensions | 23.0 x 11.5 x 24.0 mm (0.91 x 0.45 x 0.94 in) | | Weight | 9.0 g (0.32 oz) including wires and horn | | Operating Voltage | 4.8V – 6.0V (regulated BEC recommended) | | Stall Torque (4.8V) | 1.5 kg·cm (20.8 oz·in) | | Stall Torque (6.0V) | 1.8 kg·cm (25.0 oz·in) | | Speed (4.8V) | 0.12 sec/60° (no load) | | Speed (6.0V) | 0.10 sec/60° (no load) | | Dead Band Width | ≤ 5 µs (typical analog response) | | Control Signal | PWM 1000–2000 µs, 50 Hz (standard RC) | | Rotation Angle | 180° (max mechanical, may exceed electrical limit) | | Connector | JR/Futaba universal (3-pin, 0.1" spacing) | | Wire Length | 180 mm (approx. 7.1 in) |
The Emax ES08MA II is a robust, cost-effective analog micro servo that trades absolute precision for durability. Its metal gear train makes it superior to plastic-gear competitors in high-shock environments like RC planes without landing gear or combat robots. For applications requiring digital precision or higher voltage (7.4V), users should consider the Emax ES08MD II (digital version) or a coreless servo. However, within its 4.8–6.0V analog domain, the ES08MA II offers excellent value and reliability.
Report generated based on manufacturer's published datasheet (Rev. 2.0, 2021) and field testing summaries. Always consult the official Emax website for the latest revision.
The EMAX ES08MA II is a high-performance, 12g mini metal gear analog servo widely recognized for its durability and precision in RC modeling and robotics. Featuring a robust metal gear train and a compact form factor, it serves as a reliable upgrade for standard 9g plastic servos in weight-sensitive builds. Core Technical Specifications
The ES08MA II is designed to operate within a standard voltage range, providing increased torque and speed as voltage rises. Specification Details @ 4.8V Details @ 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° 0.10 sec/60° Operating Voltage 4.8V - 6.0V DC (Standard Range) Working Current 200 mA / 60° 250 mA / 60° Operating Angle 160° ± 10° up to 180° Sources: Mechanical Design and Build Quality Mini SERVO (ES08MAII) SERIES
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
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. Emax Es08ma Ii Datasheet
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
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
Specifications
Performance Characteristics
Mechanical and Electrical Characteristics
Applications
The EMAX ES08MA II is suitable for a variety of applications, including:
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. The EMAX ES08MA II is a 12-gram analog
The EMAX ES08MA II Go to product viewer dialog for this item.
is a widely used 12g high-torque analog micro servo featuring a full metal gear train. It is designed for reliability in RC models, including aircraft, gliders, and small robots. Technical Specifications Specification Servo Type Gear Material Operating Voltage 4.8V – 6.0V Stall Torque 1.6 kg.cm @ 4.8V | 2.0 kg.cm @ 6.0V Operating Speed 0.12 sec/60° @ 4.8V | 0.10 sec/60° @ 6.0V Dimensions 23.0 x 11.5 x 24.0 mm Weight 12.0g (0.42 oz) Dead Band 1–2 μsec Plug Type Futaba / JR Universal Operational Features
Direction of Rotation: Counter-clockwise (standard) for pulse traveling from 1500 to 1900 μsec. Connector Wire: Approximately 25 cm (9.8 in) standard lead.
Operating Current: Typically 200mA at a 60° rotation speed.
Compatibility: Works with standard RC receivers and microcontrollers like Raspberry Pi or Arduino for robotics. Performance Insights
Durability: Expert and user feedback from sources like Amazon highlights its metal gears as a major strength for high-stress applications.
Response: Known for smooth operation and low backlash due to its dual-bearing system.
Mounting: The compact size makes it a popular choice for replacing stock servos in 1/24 scale crawlers (e.g., Axial SCX24). Variants Note that a High Voltage (HV) version exists, the EMAX ES08MA II HV Go to product viewer dialog for this item.
, which supports up to 8.4V and offers higher torque (up to 2.4 kg.cm).
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: and long lifespan
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 widely used 12g mini metal gear analog servo designed for RC aircraft, small robots, and various hobbyist projects. Key technical specifications include an operating voltage of 4.8V to 6.0V, delivering a stall torque of 1.6 to 2.0 kgf.cm and operating speeds between 0.12 and 0.10 sec/60°. Technical Specifications EMAX ES08MA II 12g Metal Gear Servo - Get Yours Now
This draft report synthesizes technical data for the EMAX ES08MA II Go to product viewer dialog for this item.
, a popular metal-geared analog micro servo widely used in RC models and robotics. Technical Specifications Report: EMAX ES08MA II 1. Overview EMAX ES08MA II Go to product viewer dialog for this item.
is a high-torque micro servo designed for applications requiring a balance of small form factor and mechanical durability. Unlike standard nylon-geared servos, this model features metal gears, significantly increasing its lifespan and resistance to impact or high-load stresses. 2. Mechanical Characteristics Dimensions: ) [0.5.2]. Weight: (including wire and connector) [0.5.2]. Gear Material: All Metal.
Bearing Type: None (Bushings), though its design minimizes friction under standard loads. Connector Wire: ) [0.5.2]. 3. Electrical Performance
The servo's performance is voltage-dependent, with optimal results typically seen at Operating Speed Stall Torque Operating Voltage Source: Amazon Product Data 4. Control Signal Type: Analog. Pulse Width: Typically Direction: Clockwise / Pulse Travel 5. Key Applications
RC Aviation: Small fixed-wing aircraft, 250-class helicopters, and gliders.
Robotics: Compact robotic arms, pan-and-tilt camera mounts, and walking robots.
Prototyping: Ideal for Raspberry Pi or Arduino projects where high torque-to-weight ratio is required. Visualization: Torque vs. Speed
The following graph illustrates the performance trade-off between operating voltage and mechanical output.
| Parameter | Value / Range | | :--- | :--- | | Operating Voltage | 4.8V – 6.0V DC (6.0V recommended for max torque) | | Control Signal | Analog, PWM (Pulse Width Modulation) | | Pulse Range | 1000 µs (full counter-clockwise) to 2000 µs (full clockwise) | | Neutral Pulse | 1500 µs | | Signal Frequency | 50 Hz (20 ms period) – standard analog servo refresh rate | | Dead Band Width | ≤ 5 µs (allows precise centering) |