GA12-N20 12V 1000RPM Micro DC Metal Gear Motor

GA12-N20 12V 1000RPM Micro DC Metal Gear Motor is a precision-engineered, ultra-compact drive solution that combines a high-speed DC motor with a robust all-metal reduction gearbox. This miniature powerhouse delivers an impressive balance of speed and torque, making it an ideal choice for robotics and automation projects where space is at a premium. Consequently, it empowers designers to create sophisticated mechanical movements within extremely small enclosures. The high-quality steel gears ensure long-term durability and consistent performance under load. Furthermore, the motor’s standard 12V rating allows for seamless integration with common battery packs and motor drivers. Therefore, you should select this N20 gear motor whenever your application requires reliable, high-RPM output in a micro-sized form factor.

Key Features:

• All-Metal Gearbox: The module features a full set of precision-cut metal gears, which offer superior wear resistance and a longer lifespan compared to plastic alternatives.
• High Power-to-Size Ratio: Despite its tiny footprint, the motor delivers a high rotational speed of 1000 RPM, providing agile movement for small-scale mechanisms.
• D-Shaped Output Shaft: The 3mm D-shaft prevents wheel or coupling slippage, ensuring efficient torque transfer during high-speed operation.
• Versatile Mounting: This motor fits standard N20 mounting brackets, which simplifies the mechanical assembly process in diverse project chassis.
• Wide Voltage Compatibility: While optimized for 12V, the motor operates efficiently across a range of voltages to suit different power requirements.

Technical Specifications:

• Rated Voltage: 12 V_DC
• No-Load Speed: 1000 RPM (±10%)
• No-Load Current: ≤ 40 mA
• Rated Torque: ≈ 0.2 kg·cm
• Stall Torque: ≈ 0.8 kg·cm
• Stall Current: ≈ 0.5 A
• Gear Reduction Ratio: 1:10 (Approximate for high-speed variant)

Mechanical Specifications:

• Gearbox Material: Carbon Steel / Brass
• Motor Type: Brushed DC
• Shaft Type: D-shape / Flatted
• Direction of Rotation: Reversible by switching input polarity

Dimensions:

• Total Length: ≈ 36 mm (including shaft)
• Motor Body Diameter: 12 mm
• Motor Body Height: 10 mm
• Shaft Diameter: 3 mm
• Shaft Length: ≈ 10 mm
• Weight: ≈ 10 g

Pinout and Wiring:

• Positive Terminal (+): Connect to the positive output of your motor driver to rotate in the default clockwise direction.
• Negative Terminal (-): Connect to the ground or negative output of your motor driver.
• Polarity Note: Reversing the wiring connection will instantly change the motor’s direction of rotation. However, always ensure your motor driver can handle the stall current to prevent circuit damage.

Datasheet Reference:

• Download GA12-N20 Series Mechanical Datasheet

Commonly Used in:

• Miniature Robots: Serving as the primary drive motor for sumo-bots, line followers, and micro-rovers.
• Smart Door Locks: Powering the locking and unlocking mechanism in compact electronic security systems.
• Precision Actuators: Driving small-scale linear slides or rotary stages in laboratory equipment.

Applications:

• RC Vehicles: Providing drive or steering power for small-scale remote-controlled cars and tanks.
• Camera Gimbals: Enabling smooth tilting and panning movements in ultra-lightweight stabilizer systems.
• DIY Electronics: Integrating into custom hobbyist projects such as automatic dispensers or rotating displays.

Equivalent Models:

• Pololu Micro Metal Gearmotor: A high-end equivalent with similar dimensions and various gear ratio options.
• N20-12V-1000: Standard generic nomenclature for the same micro-geared motor form factor.
• GA12-N20-50: A functionally identical motor, however, it features a higher reduction ratio for more torque at lower speeds.

Package Includes:

• 1 x GA12-N20 12V 1000RPM Micro DC Metal Gear Motor