🔧 RDS3218 20kg 180° High Torque Digital Servo Motor

The RDS3218 is a high-performance digital servo with a robust 20kg torque capacity, designed for demanding robotic and RC applications. With precise PWM control and durable double bearings, it delivers smooth and powerful motion, ideal for robotics, mechanical arms, and steering systems.

⚙️ Key Features

• 🔄 Rotation Range: 180° (based on PWM input)
• ⚙️ Stall Torque:
  • 21.5 kg·cm @ 5V
  • 25 kg·cm @ 6.8V
• 🚀 Speed:
  • 0.2 sec/60° @ 5V
  • 0.17 sec/60° @ 6.8V
• ⚡ Operating Voltage: 4.8V – 6.8V
• 🔋 Stall Current:
  • 1.6A @ 5V
  • 2.5A @ 6.8V
• 💤 Idle Current:
  • 4mA @ 5V
  • 5mA @ 6.8V
• 🔩 Gear Ratio: 342:1
• 🧭 Control System: PWM (Pulse Width Modification)
• ⏱️ PWM Range: 500 – 2500μs
• 📐 Neutral Position: 1500μs
• 🎯 Dead Band Width: 3μs
• 🔁 Rotation Direction: Counterclockwise (500–2500μs)
• 📏 Dimensions: 40 × 20 × 40 mm
• ⚖️ Weight: 60g
• 🔧 Bearings: Dual bearing design
• 🔌 Connector Wire: 300 ± 5mm
• 🌡️ Operating Temp: -15°C to 70°C
• ❄️ Storage Temp: -30°C to 80°C

✅ Excellent choice for robotic joints, RC vehicles, and any project requiring powerful, precise movement within a compact form factor.