
FS5103B Servo Motor 180 Degree, 3.2 kg.cm, Plastic Gears
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Prices updated: 12 Oct 2026
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About this product
FS5103B is a standard servo motor with 180 degree rotation, 3.2 kg.cm torque and plastic gears. It is controlled by a standard PWM signal and suits small robots, model mechanisms and educational projects that need moderate torque at a low cost.
Specifications
- Type
- Standard servo
- Rotation
- 180 degree
- Torque
- 3.2 kg.cm
- Gear type
- Plastic
Frequently asked questions
How do I wire the FS5103B servo?
It has three wires: signal, power (positive) and ground (negative). Connect the signal wire to a PWM-capable pin and share the ground with the controller.
Which servo should I choose between FS5103B and FS5106B?
FS5103B provides 3.2 kg.cm torque and FS5106B provides 6 kg.cm, both with plastic gears and 180 degree rotation. Choose FS5106B when the load needs more torque, and FS5103B for lighter mechanisms.





