Futaba RS303MR 7.4V TTL/PWM Robot Servo, 6.5kg Torque, 0.11s Speed, 300° Coreless Metal Gear
Futaba RS303MR 7.4V TTL/PWM Robot Servo, 6.5kg Torque, 0.11s Speed, 300° Coreless Metal Gear
Futaba
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Overview
The Futaba RS303MR is a high-precision robot servo designed for compact robotics and mechatronic systems. Equipped with a coreless motor, metal gears, and dual control support (TTL serial & PWM), it delivers fast response, strong torque, and extended 300° rotation—ideal for robotic arms, humanoids, and autonomous systems.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Voltage | 4.8V – 7.4V |
| Torque | 6.5 kgf·cm @ 7.4V (229.3 oz-in) |
| Speed | 0.11 sec/60° @ 7.4V |
| Rotation Range | 300° |
| Weight | 28g |
| Size | 35.8 × 19.6 × 25.0 mm |
| Control Modes | TTL Half-duplex Serial & PWM |
| Signal Range | PWM: 560–2480 μs / TTL: up to 230.4kbps |
| Connector | 300mm J Series cable |
Features
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Dual-Mode Operation: Supports both PWM and TTL serial control, auto-switches on startup.
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High Precision Coreless Motor: Ensures smooth and accurate positioning.
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Metal Gear Construction: Durable and resistant to wear in demanding applications.
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Feedback Functionality: When in TTL mode, provides position, voltage, current, and temperature feedback.
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Wide Compatibility: Suitable for humanoid robots, bipedal walkers, and robotic manipulators.
Applications
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Bipedal and quadrupedal robots
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Robotic arms and manipulators
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Educational and competition-grade robotic kits
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Compact automation systems
Documentation
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