sg90 micro servo motor specifications

Looking for a tiny motor that packs a punch? The sg90 micro servo motor might just be your new best friend. I’ve played around with it in all sorts of projects—robots, drones, mini-automata—and let me tell you, it’s surprisingly capable for its size.

Imagine this: you’re designing a small robotic arm, and you need precise movement but don’t want the weight of a bulky motor dragging everything down. That’s where the sg90 shines. Its specs are pretty straightforward but powerful. It usually operates in a voltage range from 4.8V to 6V—just enough juice to turn a small gear and move your parts smoothly without draining your power source.

Talking about torque, it generally hovers around 1.8 kg-cm. That means it can turn small surfaces with enough strength to hold or gently adjust, but it’s not built for heavy lifting. Perfect for tiny servos or something that needs quick, precise movements rather than brute force.

What about speed? The sg90 motor can reach speeds up to 0.1 second per 60 degrees of rotation at its typical voltage. That kind of quick response makes it ideal for projects where timing matters, like blinking lights or synchronized movements. It’s less about slow, steady tasks and more about quick, snappy actions.

And here comes my favorite part—compatibility. The sg90's compact size specs it for micro sized projects but it doesn’t compromise on ease of use. It’s commonly paired with tiny microcontrollers, and you can find integration guides that make wiring and programming painless. Ever thought about controlling a mini camera or creating a walking robot? Those little motor specs fit perfectly where bigger, more cumbersome motors simply won’t go.

Given its light weight, about 9 grams, it's a favorite for anything that needs crisp, swift movements without adding stress to the design. Need to make a prosthetic finger bend or a mini drone tilt? The sg90 can handle it.

Questions pop up, right? Like, "Can it run on a 5V power supply?" Absolutely. It’s designed for that sweet spot voltage. Or, "Does it need special drivers?" Usually not. It’s compatible with common PWM signals, making the setup straightforward for most projects.

People love how affordable it is, yet how reliable—especially when you’re experimenting or just getting started with robotics. Its performance isn’t flashy, but it’s consistent. Think of it as the reliable workhorse in the micro servo world, keeping your projects moving without breaking the bank. And when you look over the specs and actual performance, it becomes obvious why so many engineers and hobbyists swear by it for small-scale automation.

Once you try it out in your next mini project, you realize how much engineering flexibility this tiny motor offers. Not just a component—it’s a building block for your creative ideas. You get precision, speed, reliable torque, plus ease of integration. Sometimes, all you need is a small motor that gets the job done and doesn’t get in your way. That’s the sg90 for you.

Established in 2005, Kpower has been dedicated to a professional compact motion unit manufacturer, headquartered in Dongguan, Guangdong Province, China.