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micro servo 9g sg90 dimensions

小编

Published2025-10-18

Looking for a tiny powerhouse that packs a punch? That’s where the micro servo 9g SG90 comes into play. This little motor might seem modest at first glance, but it’s a game-changer when you’re working on lightweight projects or want precise control without bulk. When you first hold one in your hand, that compact size—about 22mm long, around 12mm wide, and roughly 30mm tall—just screams portability.

What makes the SG90 stand out? For starters, its dimensions. Its slim profile fits perfectly into small robotics or drone builds. Its lightweight nature—just 9 grams—means you don’t have to worry about your design being top-heavy or excessively burdened. It’s like the perfect puzzle piece that complements your project without stealing attention. Plus, the metal gears, despite being tiny, promise a decent torque for its size, making it suitable even for slightly more demanding tasks.

Thinking about how it performs? The typical rotation angle is about 0 to 180 degrees, which covers most needs for hobby robotics. Its operating voltage is usually between 4.8V and 6V, balancing power consumption and responsiveness. At 4.8V, it operates smoothly; crank up the voltage a tiny bit, and it’s a snappy response—perfect for remote-controlled cars, tiny robotic arms, or even automatic window-opening mechanisms.

Ever wondered why so many hobbyists swear by these little guys? It's because they’re reliable, affordable, and versatile. When you’re working on a tight budget but refuse to compromise on quality, the SG90 slides right in. And honestly, it’s not just for simple projects. If you're experimenting with new ideas or prototyping, these servos give you that quick, adjustable movement that helps you iterate fast.

What’s really interesting is how adaptable it is. Whether you're tuning a drone’s camera gimbal or constructing a small robotic hand to grasp objects, this servo's dimensions allow seamless integration. You don't need big, heavy-duty gearboxes—just a tiny motor with enormous potential. Its standardized dimensions make it easy to swap in and out, even for beginners who don’t want to mess with custom mounts every time.

Sure, some might ask about durability. The truth is, if you handle these servos gently—no rough torques or bending—they tend to last a long time. And when they do wear out, replacements are straightforward without burning a hole in your pocket.

So if you're brainstorming your next project, think about how that 22mm x 12mm x 30mm size can unlock new possibilities. It’s more than just a miniature motor; it’s a miniature miracle wrapped up in small dimensions but big in potential. Think about that sleek fit, the quick response, and how it matches up with your ambitious ideas. The SG90 might just be what you need to turn those cool concepts into reality.

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.

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