High-Performance 1220 Coreless Motor & Micro DC Motor Solutions | 12x20mm Design Guide

1220 DC Motor

In the world of micro-motion technology, the 1220 motor is not just a single part number—it is a standardized industrial designation for a miniature DC motor measuring 12mm in diameter and 20mm in length. Despite their compact footprint, weighing only 7 to 9 grams with a standard 1.5mm shaft diameter, these versatile micro motors deliver exceptional performance across a wide spectrum of consumer and industrial applications.

As a leading manufacturer specializing in advanced micro-drive systems, www.coreless-motor.com engineers precision-engineered micro motors designed to seamlessly integrate into space-constrained designs.


📏 Unlocking the 1220 Form Factor: Size is the Only Common Denominator

The nomenclature “1220” directly highlights its core physical dimensions, making it the ideal choice for engineers developing space-critical micro-devices. However, beneath the identical exterior shell lie completely different internal drive technologies tailored to distinct performance requirements.


⚙️ Same Form, Different Core: Three Main Types of 1220 Motors

Depending on internal architecture and commutation methods, 1220-class micro motors are categorized into three primary variants:

Motor Type Core Characteristics Typical Parameters Target Applications
Brushed Core Motor Classic structure, simplified control circuitry, and cost-effective production. Voltage: 1.5V – 3V
Speed: ~9,500 RPM
No-load Current: ~0.03A
Mini desktop fans, toy models, entry-level DIY projects.
Brushed Vibration Motor Equipped with an eccentric brass weight on the output shaft to generate high-frequency tactile feedback. Voltage: 1.5V – 3V
Working Current: 0.13A – 0.35A
Facial massagers, beauty instruments, personal care appliances.
Brushless / Coreless Motor High efficiency (>85%), extended operational lifespan, superior control accuracy, and ultra-low noise. Voltage: 5V – 12V
Speed: Up to 30,000+ RPM
Power: Up to 11.5W
Micro robotics, medical devices, smart electronic locks, industrial automation.

🚀 Broad Applications: From Consumer Gadgets to Precision Instruments

Because of their miniature size and diverse configurations, 1220 micro motors power innovations across multiple industries:

  • Consumer & Personal Care: In consumer electronics and DIY projects, traditional brushed core and vibration variants provide reliable, budget-friendly drive solutions for handheld mini fans and beauty care devices.
  • Industrial & High-End Engineering: For advanced requirements, high-performance coreless and brushless 1220 motors serve as the critical driving force behind micro-robot joints, precision medical equipment (such as infusion pumps and surgical instruments), and smart electronic door locks.

💡 How to Choose the Right 1220 Motor for Your Project

When selecting a micro motor for your application, evaluate the following key parameters to ensure optimal performance:

  1. Operating Voltage Range: Match the power supply of your device to prevent underpowering or thermal damage.
  2. No-Load Speed: Determines the rotational velocity (RPM) under zero external load conditions.
  3. Stall Torque: Measures the maximum rotational force the motor can deliver when stalled, crucial for heavy-load operations.
  4. Motor Type (Brushed vs. Brushless/Coreless): Choose brushed options for cost-sensitive, straightforward projects, or upgrade to coreless variants for superior efficiency, longevity, and high-speed precision.

Custom Micro Motor Manufacturing Solutions

Looking for custom electrical specifications, custom shaft lengths, or specialized gearboxes for your 1220 motor design? Visit www.coreless-motor.com to explore our complete catalog or contact our engineering team for custom OEM/ODM manufacturing support tailored to your exact application requirements.


📌 We accept customized specification/parameters/drawings, contact us now for your requirement. Our engineering team will be delighted to make samples for you.

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