Overview:
Low-speed, high-torque brushed DC gear motor with a metal gearbox, designed for applications that require strong force and precise, stable movement. Perfect for robotics, smart locks, and slow automation systems.
Specifications:
- Model: JGA25-370-171K
- Built-in Encoder: YES - for position/speed feedback
- Operating Voltage: 12V DC
- No-Load Speed: 35 RPM ±10%
- No-Load Current: 0.07 A
- Rated Speed: 27 RPM
- Rated Current: 0.3 A
- Rated Torque: 3.3 kg.cm
- Stall Torque: 10.5 kg.cm
- Stall Current: 1.8A
- Motor Type: Brushed DC with Metal Gearbox
- Gear Ratio: ~ 171 : 1
- Shaft Diameter: 4 mm
- Motor Diameter: 25 mm
- Weight: 89 g
- Body Size (L×R): 25 mm × 25 mm
Encoder Data:
- Output Signal: Square Wave
- Power Supply Voltage Range: 3.3V-5V
- Working Temp.: -20C - 120C
Wire Connections:
- Red: (+) Motor Power (can be reversed for (-) power to reverse motor rotation)
- Balck: (-) Encoder power supply GND (3.3V ~ 5V)
- Yellow: Encoder A phase - Signal feedback (11 pulses per revolution)
- Green: Encoder B phase - Signal line resolution 11 * reduction ratio = Resolution
- Blue: (+) Encoder power supply (3.3V ~ 5V)
- White: (-) Motor Power (can be reversed for (+) power to reverse motor rotation)
Features:
- High torque output for demanding loads
- Compact size with strong durability
- Suitable for linear actuators, smart door locks, slow-moving robots, and precision mechanisms
- ⚠️ Do not apply reverse voltage under load (non-reversible when stalled)
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