H512-SG90 9g Micro Servo Motor 170 Degree Analog PWM Nylon Gear

The H512-SG90 is a 9g micro analog servo motor built for lightweight control applications in robotics, RC modeling, and educational projects. It uses a small brushed DC motor with an internal nylon gearbox, delivering precise angular positioning across a 170-degree travel range while keeping the total weight at just 9 grams. The servo operates on a 3.5V to 6V supply and responds to standard PWM pulses between 500 and 2400 microseconds, with a no-load speed of 0.12 seconds per 60 degrees and a stall torque of 1.98 kg-cm. Its compact 23 × 22 × 12 mm housing and 24.5 cm connector lead make it easy to mount in tight spaces on small frames and mechanisms. The nylon gear set reduces weight and cost while providing adequate wear resistance for light-duty operation. Typical applications include robot arms and grippers, RC car and aircraft control surfaces, DIY automation mechanisms, and small positioning devices. This H512-SG90 micro servo is a practical choice for builders who need a lightweight, low-cost analog servo with a defined 170-degree range and predictable PWM behavior.

1. Robot arms, grippers, and lightweight robotic mechanisms.
2. RC car, aircraft, and helicopter control surfaces.
3. DIY automation and small positioning devices.
4. Educational robotics and STEM learning projects.
5. Animatronics and model-making control linkages.
6. Compact pan-tilt mechanisms and sensor pointing systems.

1. Model: H512-SG90.
2. Servo type: analog micro servo.
3. Weight: 9 g.
4. Dimensions: 23 × 22 × 12 mm (per source page; other SG90 listings state 23 × 12.2 × 29 mm).
5. Operating voltage: 3.5V to 6V DC.
6. Stall torque: 1.98 kg-cm at 4.8V (per source page; other sources list 1.2–2.0 kg-cm).
7. No-load speed: 0.12 s/60° at 4.8V.
8. Rotation range: 170° (per source page; other SG90 variants are often listed as 180°).
9. Gear material: nylon (plastic).
10. Control signal: PWM, 500–2400 µs pulse width.
11. Connector lead length: 24.5 cm.
12. Operating temperature: -30°C to +60°C.
13. Motor type: brushed DC.