Overview
Emax ES3005HV is an all-purpose high voltage metal gear digital servo for RC models and robotics applications requiring PWM control and multi-voltage operation (6.0V / 7.4V / 8.4V). It features a 23T output gear spline, 2BB bearings, and supports up to 220° extreme angle.
Key Features
- High voltage operation: 6.0V / 7.4V / 8.4V
- Metal gear train, 2BB bearing design
- 23T output gear spline
- PWM control system with wide pulse width range (500-2500 us)
- Extreme angle: 220°
Specifications
Working Environment
| Storage temperature range |
-20°C to 70°C |
| Operating temperature range |
-10°C to 55°C |
Electrical Specification (Function of the Performance)
| Item |
6.0V |
7.4V |
8.4V |
| Operating speed (at no load) |
0.15 sec/60° |
0.12 sec/60° |
0.11 sec/60° |
| Running current (at no load) |
450 mA Max |
580 mA Max |
650 mA Max |
| Stall torque |
8 kg.cm Max |
10 kg.cm Max |
11 kg.cm Max |
| Maximum current |
2.5 A Max |
3.2 A Max |
3.6 A Max |
| Idle current |
9.5 mA |
Mechanical Specification
| Weight |
43 ± 0.5 g |
| Connector wire gauge |
JR |
| Connector wire length |
240 ± 8 mm (W/O Connector) |
| Output gear spline |
23T |
| Bearing |
2BB |
| Gear type |
Metal |
| Extreme angle |
220° |
Control Specification
| Control system |
PWM |
| Operating travel |
90° ± 8° (when 1000-2000 us) |
| Neutral position |
1500 us |
| Rotating direction |
Counter clockwise / Pulse traveling 1500 to 1900 us |
| Pulse width range |
500-2500 us |
| Maximum travel |
180° ± 10° (500-2500 us) |
Dimensions (from drawing, units: mm)
| Top view length |
48.6 |
| Top view width |
18.8 |
| Dimension |
10 |
| Dimension |
Ø4.90 |
| Output dimension |
Ø5.93 ± 0.05 (23T) |
| Side view length |
38.60 |
| Height |
36.9 |
| Height |
34.9 |
| Height |
26.4 |
Applications
- RC aircraft control surfaces and general-purpose actuation
- RC cars/trucks steering and auxiliary mechanisms
- Robotics joints, linkages, and PWM-controlled motion projects
For product selection and technical support, contact https://rcdrone.top/ or email [email protected].
Details

Full performance specifications and mechanical dimensions for planning a precise ES3005HV servo installation.