16mm Coreless DC Motor & Planetary Gearbox Solutions

1620 DC Motor

Welcome to XH Motors (www.coreless-motor.com), your premier manufacturer of advanced micro-motion solutions. Engineered for unmatched precision, efficiency, and longevity, our 1620 DC Motor Series delivers exceptional power density for space-constrained and high-performance applications.

Whether you are designing medical equipment, precision robotics, or advanced smart home automation, our coreless and brushless planetary gear motors provide the reliability your project demands.


Product Overview: The 1620 Series Micro Motor

Measuring a compact 16mm in diameter and 20mm in length, the 1620 series is engineered to deliver high speeds, low noise, and exceptional torque-to-size ratios. Available in both brushed precious-metal configurations and advanced brushless designs with integrated planetary gearboxes, these motors adapt seamlessly to your technical requirements.

Key Specifications

  • Motor Dimensions: 16.0mm diameter × 20.0mm length (housing variants available)
  • Voltage Range: 1.5V to 24V DC (Customizable options for 5V DC and 12V DC)
  • No-Load Speed: Up to 18,000 RPM (Standard coreless models) or highly reduced speeds via multi-stage gearboxes
  • Certifications: Manufactured under strict quality standards including IATF 16949:2016, ISO 13485:2016, and ISO 9001:2015

Featured Model: GMP16-1620 Planetary Gear Motor

For applications requiring massive torque reduction without sacrificing precision, our GMP16-1620 combines a high-efficiency coreless motor with a robust Φ16mm planetary gearbox and a secure D-shaft design.

Performance Highlights (12V & 5V Models)

  • Rated Voltage: 5V DC / 12V DC options
  • No-Load Speed: Ranges from 10,800 RPM down to precision low speeds via gear ratios up to 284:1
  • Stall Torque: Up to 80.0 g.cm (motor standalone) and scaling significantly higher with gear reductions (up to 6.0 kg.cm peak torque)
  • Acoustics: Low noise operation (<50dB)

🚀 Key Applications

Our micro coreless and gear motors are trusted globally across diverse industries:

  • Robotics & Automation: Miniature robotics, electronic actuators, and automated assembly components.
  • Medical Devices: Portable infusion pumps, diagnostic equipment, and surgical tools.
  • Smart Security: Electronic smart door locks and biometric access systems.
  • Consumer Electronics & Drones: High-speed UAV gimbals, personal care devices, and high-end smart home appliances.

Frequently Asked Questions (FAQ)

Q: What information should I provide to order a custom motor?

A: Please provide your core specifications including dimensions, operating voltage, target speed, and required torque. Sharing application prototype drawings or constraints helps our engineering team optimize the design for you.

Q: What payment and fulfillment options are available?

A: We support global wholesale and development sample orders. Accepted payment methods include PayPal and T/T.


Get Custom Engineering Support Today

Looking for custom shaft lengths, specific winding voltages, or integrated encoders? Our engineering team provides tailor-made design solutions for bulk production and prototyping.

  • Website: www.coreless-motor.com
  • Next Steps: Contact our sales and engineering team today to request data sheets, development samples, or a production quotation tailored to your specifications.

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

  • 📧 Email Us: chinaok321@gmail.com

  • 📱 WeChat/Mob: +8613713792667   ( our Whatsapp is blocked, please don't use whatsapp, just email, thanks)