Jun 29,2026
1. What Is the N20AGB Micro DC Gear Motor?
The N20AGB is a high-performance Micro DC Gear Motor specifically designed for precision medical equipment. It combines an N20 brushed DC motor with a powder metallurgy spur gearbox, delivering high torque, low speed, and low-noise operation within an extremely compact size.
N20AGB Key Specifications
| Item | Typical Value | Remarks |
| Rated Voltage | 1.5V–12V DC | 5V commonly used for medical dispensers |
| Output Speed | 5 RPM–3000 RPM | 15 RPM recommended for medical dispensers |
| Gear Ratio | 298:1 / 380:1 / 1000:1 | Customizable |
| Output Torque | 0.02 kg`cm–2 kg`cm | High-torque versions available |
| Motor Diameter | 12 mm | Ultra-compact design |
| Shaft Diameter | 3 mm D-shaft | Easy installation of gears/cams |
| Gear Material | powder metallurgy | Wear-resistant, long service life |
| Operating Temperature | -10°C to +60°C | Suitable for medical environments |
3. Typical Applications of the N20AGB 5V 15RPM in Medical Dispenser Devices
1) Smart Syringe Pumps
In clinical and laboratory environments, medication must often be delivered to patients at a constant and controlled rate. The N20AGB 5V 15RPM motor drives a precision setting, converting rotary motion into smooth motion to ensure safe and accurate drug delivery.
2) Portable Automated Pill & Liquid Dispensers
For patients who require medication at scheduled times and precise dosages, intelligent dispensing devices can use this micro gear motor to accurately drive mechanical valves or rotary discs, enabling reliable and automated dispensing.
3) Clinical Diagnostic and Analytical Instruments (IVD Equipment)
In in-vitro diagnostic (IVD) systems, small volumes of samples and reagents must be dispensed with high precision. Thanks to its excellent repeatability and positioning accuracy, the N20AGB is a cost-effective solution for sample-handling arms and reagent pump drives.
4 Summary and Selection Recommendations
For medical device R&D engineers and procurement managers, selecting a market-proven and reliable micro gear motor can significantly improve development efficiency. With its outstanding micro-dosing control capability, compact structure, and exceptional stability, the N20AGB 5V 15RPM motor has become an indispensable drive component in modern medical dispenser designs.
If you are looking for a high-performance micro dc gear motor solution for next-generation smart medical devices, or require customized gear ratios and output shaft configurations, please contact our technical experts. NINGBO LEISON MOTOR is ready to provide comprehensive drive solutions and sample support.



