Home Industry InsightBLDC
Looking for a suitable motor? Looking for a suitable motor?
Looking for a suitable motor?

sg90 servo motor specifications

小编

Published2025-10-18

Looking for a small but mighty motor? The sg90 servo motor packs a punch in a tiny package. This little guy isn’t just for show—it’s a workhorse in robotics, DIY projects, and even some automation setups. When you think servo, think precise control, quick response, and versatility. And sg90? It hits all those marks without burning a hole in your pocket.

Let’s get into what makes this servo stand out. First off, its size—isn’t too big, isn’t too small. Perfect for when space is tight but you still need reliable performance. Its dimensions are usually around 23mm x 12mm x 29mm, fitting snugly into compact designs. But don’t judge it by size alone. Inside this tiny shell is a core that delivers up to 1.8 kg/cm torque, which is pretty impressive for its size. That’s enough to move small arms or tilt sensors accurately—great for beginners and seasoned tinkerers alike.

The specs are pragmatic, too. Its operating voltage ranges from 4.8V to 6V, making it compatible with common power supplies. Response times are fast—approximately 0.1 seconds per 60 degrees of movement—so reactions are snappy, not sluggish. That rapid response means if you're designing a robot arm, it won’t lag behind your commands. The rotation is typically 0 to 180 degrees, giving just enough range for a lot of applications without overly complicating control.

A common question: Can you handle multiple servos using it? Absolutely. Its standard PWM control makes it easy to connect with most microcontrollers—think Arduino, Raspberry Pi, or other controllers. Its lightweight nature also means it doesn’t add much load, maintaining stability in delicate setups. Plus, it’s pretty forgiving—easy to calibrate, and even easier to swap out.

What about durability? Well, it’s designed mainly for light-duty, high-precision tasks. Continuous heavy use may lead to wear, but for hobbyists or prototypes, it works like a charm. And the metal gears inside ensure smoother operation compared to plastic gears in less quality models, which translates to longevity.

People often wonder about the practicalities—will it fit my project? If you’ve got a robot arm, a camera gimbal, or a small automated door, this servo is a great candidate. It’s not meant for high-torque industrial tasks, but for what it is—a compact, reliable servo—it’s hard to beat.

To sum it up: with its balance of size, torque, speed, and affordability, the sg90 servo motor is like the Swiss army knife of small automation. Whether you're building a robotic cat, automatic curtains, or just experimenting in your garage, this servo can be a dependable partner. All the features come together, delivering performance that punches well above its weight.

So, if you’re hunting for that perfect servo that mixes practicality with a dash of fun, it’s worth giving the sg90 a shot. After all, sometimes the smallest components make the biggest difference.

Established in 2005, Kpower has been dedicated to a professional compact motion unit manufacturer, headquartered in Dongguan, Guangdong Province, China. Leveraging innovations in modular drive technology, Kpower integrates high-performance motors, precision reducers, and multi-protocol control systems to provide efficient and customized smart drive system solutions. Kpower has delivered professional drive system solutions to over 500 enterprise clients globally with products covering various fields such as Smart Home Systems, Automatic Electronics, Robotics, Precision Agriculture, Drones, and Industrial Automation.

Update:2025-10-18

Contact a motor expert for product recommendation.
Contact a motor expert for product recommendation.

Powering The Future

Contact Kpower's product specialist to recommend suitable motor or gearbox for your product.