SG90 Datasheet PDF – 9 g Micro Servo – TowerPro

Part Number : SG90

Function : 9 g Micro Servo

Image :

SG90 Image


Tiny and lightweight  with high output power. Servo can rotate  approximately 180 degrees (90 in each direction), and works just like the standard kinds but  smaller. You can use any servo code, hardware or library to control these servos. Good for beginners who want to make stuff move without building a motor controller withfeedback & gear box, especially since it will fit in small places. It comes with a 3 horns (arms) and hardware.

1.  Weight: 9 g
2.  Dimension: 22.2 x 11.8 x 31 mm approx.
3.  Stall torque: 1.8 kgf·cm
4.  Operating speed: 0.1 s/60 degree
5.  Operating voltage: 4.8 V (~5V)
6.  Dead band width: 10 µs
7.  Temperature range: 0 ºC – 55 ºC


SG90 Datasheet


1. Used as actuators in many robots like Biped Robot, Hexapod, robotic arm etc..
2. Commonly used for steering system in RC toys
3. Robots where position control is required without feedback
4. Less weight hence used in multi DOF robots like humanoid robots

Reference Site :

1. Servo Motor SG-90 Basics, Pinout, Wire Description (

SG90 Datasheet PDF

SG90 pdf