Overview
The PES GH-S37D 3.7g Digital Micro Servo is a compact and lightweight servo designed for small RC models where low weight and precise control are important. Featuring a coreless motor, plastic gear train, and digital control, it delivers up to 0.8 kg·cm torque with a fast operating speed of 0.09 sec/60° at 4.8V.
With its slim 8.75 mm body and 3.7 g weight, the GH-S37D is suitable for mini RC airplanes, hand-launch gliders, lightweight fixed-wing aircraft, small RC cars, crawlers, and other compact radio-controlled models.
Key Features
- Lightweight 3.7g digital micro servo
- Coreless motor for responsive operation
- Lightweight plastic gear construction
- Operating voltage from 3.6V to 4.8V
- Maximum torque up to 0.8 kg·cm at 4.8V
- Fast speed up to 0.09 sec/60° at 4.8V
- Compact 20 × 8.75 × 22 mm body size
- Standard 1000–2000 μs control signal
- Approximately 90° operating angle
- 150 mm servo cable
- Suitable for lightweight RC aircraft and RC vehicles
Specifications
| Specification | Details |
|---|---|
| Brand | PES |
| Model | GH-S37D |
| Type | Digital Micro Servo |
| Weight | 3.7 g |
| Gear Material | Plastic |
| Motor Type | Coreless Motor |
| Operating Voltage | 3.6–4.8V |
| Torque at 3.6V | 0.6 kg·cm |
| Torque at 4.8V | 0.8 kg·cm |
| Speed at 3.6V | 0.13 sec/60° |
| Speed at 4.8V | 0.09 sec/60° |
| Body Size | 20.0 × 8.75 × 22.0 mm |
| Operating Temperature | 0°C–60°C |
| Signal Range | 1000–2000 μs |
| Operating Angle | 90° |
| Current | <350 mA |
| Cable Length | 150 mm |
| Dead Band | 3 μs |
Dimensions
The servo body measures approximately 20.0 × 8.75 × 22.0 mm. According to the dimension drawing, the overall mounting width is approximately 30.39 mm, making it suitable for compact installations with limited space.
Applications
Recommended for:
- Mini RC airplanes
- Hand-launch gliders
- Lightweight fixed-wing aircraft
- Small RC cars
- Mini crawlers
- Lightweight robotics and DIY RC projects
Package Includes
- 1 × PES GH-S37D 3.7g Digital Micro Servo
Details



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