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N20
Overview
The N20 series represents a class of ultra-compact, high-precision permanent magnet DC motors engineered explicitly for miniature precision instruments and compact mechanisms. Characterized by its standardized "N20" form factor, this motor delivers reliable, efficient rotational motion in an exceptionally small and lightweight package, making it an indispensable component in devices where space, weight, and controlled performance are paramount.
Key Features & Advantages
Ultra-Miniature Size & Lightweight: The N20 standard specifies a compact rectangular body (typically ~10mm x 12mm x 15mm) and very low weight (approx. 5-10 grams), enabling integration into the most space-constrained designs without compromising on available functionality.
Precision Engineering for Stable Performance: Manufactured with tight tolerances, it offers consistent startup voltage, stable no-load speed, and smooth operation, which is critical for the accurate functioning of sensors, optical systems, and fine adjustment mechanisms.
High Power Density: Despite its tiny size, it provides a favorable power-to-volume ratio, delivering sufficient torque for driving small gears, actuating levers, or spinning light loads in precision devices.
Low Electrical Noise & Smooth Rotation: The coreless or iron-core design with precious metal commutation minimizes electrical interference, ensuring compatibility with sensitive electronic circuits often found in analytical and measurement instruments.
Versatile Mounting & Configuration: Available with various output shaft types (plain, D-cut, pinion), gearbox options (spur or planetary), and terminal styles (solder tabs or lead wires), allowing for flexible mechanical and electrical integration.
Cost-Effective for Mass Production: Designed for high-volume manufacturing, it provides a reliable and economical motion solution for consumer electronics, medical disposables, and high-volume instrumentation.
Typical Specifications
Motor Type: Coreless or Iron-Core Permanent Magnet DC Motor (PMDC).
Body Dimensions: ~10mm (W) x 12mm (H) x 15mm (L) (excluding shaft).
Nominal Voltage: Common ratings: 3V, 6V, or 12V DC.
No-Load Speed: Typically between 5,000 to 15,000 RPM (at rated voltage).
No-Load Current: Very low, often < 60 mA.
Stall Torque: Ranges from 0.5 to 3.0 mN·m (approx. 5 to 30 g·cm).
Output Shaft: Diameter typically 2.0mm or 2.3mm, with various configurations.
Gearbox Options: Integrated reduction gearboxes available with a wide range of ratios (e.g., 1:10 to 1:1000+) for high-torque, low-speed output.
Primary Applications
The N20 motor is the ideal micro-drive solution for a vast array of precision devices:
Precision Instruments: Camera module focus/zoom drives, laser aperture controls, galvanometer drives, pointer mechanisms in gauges.
Medical & Lab Devices: Micro-pumps and valves, sample handling mechanisms, fluidic control in diagnostic cartridges, stirrers.
Office & Consumer Automation: Miniature fans, automatic retractable mechanisms, card readers, currency validators.
Model Making & Robotics: Actuators for small robotic joints, drone camera gimbals, miniature automation projects.
Telecommunications: Adjustable components in optical transceivers.
Why Choose the N20 Series Miniature DC Motor?
For designers of cutting-edge miniaturized equipment, the N20 motor provides the essential "muscle" in a microscopic footprint. It bridges the gap between the need for electromechanical motion and the severe spatial limitations of modern portable and embedded systems. Its standardized size, proven reliability, and availability in geared versions make it a go-to, off-the-shelf component for innovating in fields where every cubic millimeter counts.
Note: Performance is highly sensitive to operating voltage, load, and temperature. For continuous duty or high-torque applications, ensure proper thermal management. Always verify the motor's rated parameters match the application's requirements, and consider a geared version if lower speed and higher torque are needed.
| Products code | voltage | NO load | at maximum | stall | |||||||
| operating range | speed(RPM) | Current(A) | speed(RPM) | Current(A) | torque(gf.com) | output(w) | Eff(%) | torque(gf.com) | Current(A) | ||
| FF-N20VA-10190 | 3 | 12000 | 0.045 | 9550 | 0.155 | 1.85 | 0.18 | 60 | 9.4 | 0.55 | |
| FF-N20VA-13115 | 2.4 | 15500 | 0.095 | 12200 | 0.355 | 2.85 | 0.4 | 58 | 13 | 1.16 | |
| FF-N20VA-12115 | 9.6 | 45200 | 0.151 | 35810 | 0.62 | 8.2 | 2.95 | 56.4 | 40 | 2.5 | |
ABOUT US
Ritscher group was set up in 2006.we always focus on micro-motors for household electrical appliance and industry appliance since setting up.currently we have two professional micro-motor factories in China which severally located in Ningbo city and Foshan city.it has an area of 25,000 square meters plants and more than 300 employees, annual output is 3 million pcs and has 5 million pcs annual producing capacity.after several years development,we had built a great reputation in the market and got more and more customers' trust in the world.
We started from shaded pole motors at beginning, up to now,our product included of shaded pole motors,synchronous motors,stepping motors ,capacitor motors, BLDC motors, DC motors and compressors. Our product are widely used for making refrigerators, freezers, micro-wave ovens, air warmers, air exhausters, ventilators,ovens, air filter, massage machines and many other equipments.
As a realiable quality guaranty,Ritscher has complete R&D departement,QC department,producing department,purchase department etc. has perfect producing equipment like Aluminum diecasting, Zinc diecasting, Sheet metal stamping, Plastic injection molding etc. also test/ detection device like multiplex temp measuring device, performance parameter inspection device, Phenol peptide solution pinhole tester,Anechoic room etc.
Endeavoring to provide the best product and service to customers,we always do the most effort to become an outstanding manufacturer of micro motors.
Ritscher is always willing to establish sincere business relationship with friends from all over the world.
Welcome contact with us!
Take ritscher ,enjoy modern life!
Our company FAQ for you
(1) Q: What kind motors you can provide?
A:For now,we mainly provide Kitchen Hood Motor,DC Motor,Gear Motor,Fan Motor Refrigerator Motor,
Hair Dryer Motor Blender Motor Mixer Motor,Shade Pole Motor,Capacitor Motor,BLDC Motor PMDC Motor,
Synchronous Motor,Stepping Motor etc.
(2) Q: Is it possible to visit your factory
A: Sure. But please kindly keep us posted a few days in advance. We need to check our
schedule to see if we are available then.
(3) Q: Can I get some samples
A: It depends. If only a few samples for personal use or replacement, I am afraid it will
be difficult for us to provide, because all of our motors are custom made and no stock
available if there is no further needs. If just sample testing before the official order and
our MOQ, price and other terms are acceptable, we'd love to provide samples.
(4) Q: Is there a MOQ for your motors?
A: Yes. The MOQ is between 1000~10,000pcs for different models after sample approval.
But it's also okay for us to accept smaller lots like a few dozens, hundreds or thousands
For the initial 3 orders after sample approval.For samples, there is no MOQ requirement.
But the less the better (like no more than 5pcs) on condition that the quantity is enough in
case any changes needed after initial testing.
Overview
The N20 series represents a class of ultra-compact, high-precision permanent magnet DC motors engineered explicitly for miniature precision instruments and compact mechanisms. Characterized by its standardized "N20" form factor, this motor delivers reliable, efficient rotational motion in an exceptionally small and lightweight package, making it an indispensable component in devices where space, weight, and controlled performance are paramount.
Key Features & Advantages
Ultra-Miniature Size & Lightweight: The N20 standard specifies a compact rectangular body (typically ~10mm x 12mm x 15mm) and very low weight (approx. 5-10 grams), enabling integration into the most space-constrained designs without compromising on available functionality.
Precision Engineering for Stable Performance: Manufactured with tight tolerances, it offers consistent startup voltage, stable no-load speed, and smooth operation, which is critical for the accurate functioning of sensors, optical systems, and fine adjustment mechanisms.
High Power Density: Despite its tiny size, it provides a favorable power-to-volume ratio, delivering sufficient torque for driving small gears, actuating levers, or spinning light loads in precision devices.
Low Electrical Noise & Smooth Rotation: The coreless or iron-core design with precious metal commutation minimizes electrical interference, ensuring compatibility with sensitive electronic circuits often found in analytical and measurement instruments.
Versatile Mounting & Configuration: Available with various output shaft types (plain, D-cut, pinion), gearbox options (spur or planetary), and terminal styles (solder tabs or lead wires), allowing for flexible mechanical and electrical integration.
Cost-Effective for Mass Production: Designed for high-volume manufacturing, it provides a reliable and economical motion solution for consumer electronics, medical disposables, and high-volume instrumentation.
Typical Specifications
Motor Type: Coreless or Iron-Core Permanent Magnet DC Motor (PMDC).
Body Dimensions: ~10mm (W) x 12mm (H) x 15mm (L) (excluding shaft).
Nominal Voltage: Common ratings: 3V, 6V, or 12V DC.
No-Load Speed: Typically between 5,000 to 15,000 RPM (at rated voltage).
No-Load Current: Very low, often < 60 mA.
Stall Torque: Ranges from 0.5 to 3.0 mN·m (approx. 5 to 30 g·cm).
Output Shaft: Diameter typically 2.0mm or 2.3mm, with various configurations.
Gearbox Options: Integrated reduction gearboxes available with a wide range of ratios (e.g., 1:10 to 1:1000+) for high-torque, low-speed output.
Primary Applications
The N20 motor is the ideal micro-drive solution for a vast array of precision devices:
Precision Instruments: Camera module focus/zoom drives, laser aperture controls, galvanometer drives, pointer mechanisms in gauges.
Medical & Lab Devices: Micro-pumps and valves, sample handling mechanisms, fluidic control in diagnostic cartridges, stirrers.
Office & Consumer Automation: Miniature fans, automatic retractable mechanisms, card readers, currency validators.
Model Making & Robotics: Actuators for small robotic joints, drone camera gimbals, miniature automation projects.
Telecommunications: Adjustable components in optical transceivers.
Why Choose the N20 Series Miniature DC Motor?
For designers of cutting-edge miniaturized equipment, the N20 motor provides the essential "muscle" in a microscopic footprint. It bridges the gap between the need for electromechanical motion and the severe spatial limitations of modern portable and embedded systems. Its standardized size, proven reliability, and availability in geared versions make it a go-to, off-the-shelf component for innovating in fields where every cubic millimeter counts.
Note: Performance is highly sensitive to operating voltage, load, and temperature. For continuous duty or high-torque applications, ensure proper thermal management. Always verify the motor's rated parameters match the application's requirements, and consider a geared version if lower speed and higher torque are needed.
| Products code | voltage | NO load | at maximum | stall | |||||||
| operating range | speed(RPM) | Current(A) | speed(RPM) | Current(A) | torque(gf.com) | output(w) | Eff(%) | torque(gf.com) | Current(A) | ||
| FF-N20VA-10190 | 3 | 12000 | 0.045 | 9550 | 0.155 | 1.85 | 0.18 | 60 | 9.4 | 0.55 | |
| FF-N20VA-13115 | 2.4 | 15500 | 0.095 | 12200 | 0.355 | 2.85 | 0.4 | 58 | 13 | 1.16 | |
| FF-N20VA-12115 | 9.6 | 45200 | 0.151 | 35810 | 0.62 | 8.2 | 2.95 | 56.4 | 40 | 2.5 | |
ABOUT US
Ritscher group was set up in 2006.we always focus on micro-motors for household electrical appliance and industry appliance since setting up.currently we have two professional micro-motor factories in China which severally located in Ningbo city and Foshan city.it has an area of 25,000 square meters plants and more than 300 employees, annual output is 3 million pcs and has 5 million pcs annual producing capacity.after several years development,we had built a great reputation in the market and got more and more customers' trust in the world.
We started from shaded pole motors at beginning, up to now,our product included of shaded pole motors,synchronous motors,stepping motors ,capacitor motors, BLDC motors, DC motors and compressors. Our product are widely used for making refrigerators, freezers, micro-wave ovens, air warmers, air exhausters, ventilators,ovens, air filter, massage machines and many other equipments.
As a realiable quality guaranty,Ritscher has complete R&D departement,QC department,producing department,purchase department etc. has perfect producing equipment like Aluminum diecasting, Zinc diecasting, Sheet metal stamping, Plastic injection molding etc. also test/ detection device like multiplex temp measuring device, performance parameter inspection device, Phenol peptide solution pinhole tester,Anechoic room etc.
Endeavoring to provide the best product and service to customers,we always do the most effort to become an outstanding manufacturer of micro motors.
Ritscher is always willing to establish sincere business relationship with friends from all over the world.
Welcome contact with us!
Take ritscher ,enjoy modern life!
Our company FAQ for you
(1) Q: What kind motors you can provide?
A:For now,we mainly provide Kitchen Hood Motor,DC Motor,Gear Motor,Fan Motor Refrigerator Motor,
Hair Dryer Motor Blender Motor Mixer Motor,Shade Pole Motor,Capacitor Motor,BLDC Motor PMDC Motor,
Synchronous Motor,Stepping Motor etc.
(2) Q: Is it possible to visit your factory
A: Sure. But please kindly keep us posted a few days in advance. We need to check our
schedule to see if we are available then.
(3) Q: Can I get some samples
A: It depends. If only a few samples for personal use or replacement, I am afraid it will
be difficult for us to provide, because all of our motors are custom made and no stock
available if there is no further needs. If just sample testing before the official order and
our MOQ, price and other terms are acceptable, we'd love to provide samples.
(4) Q: Is there a MOQ for your motors?
A: Yes. The MOQ is between 1000~10,000pcs for different models after sample approval.
But it's also okay for us to accept smaller lots like a few dozens, hundreds or thousands
For the initial 3 orders after sample approval.For samples, there is no MOQ requirement.
But the less the better (like no more than 5pcs) on condition that the quantity is enough in
case any changes needed after initial testing.
