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Asialink International Technology Corp.

Magnetic Pogo Pin Connector

From the perspective of Asialink International Technology Corp., compact connectivity is becoming essential in modern electronic design. The 4mm magnetic pogo pin connector is engineered to meet this demand by combining magnetic alignment with high precision spring contact technology. This allows seamless connection behavior in miniature devices where traditional interfaces cannot fit. The magnetic pogo pin connector provides strong magnetic guidance that simplifies user interaction while maintaining stable electrical conduction. Built upon a robust pogo pin connector structure, it uses gold plated spring contacts to ensure consistent conductivity under repeated compression cycles. This balance of mechanical precision and electrical reliability is essential for compact power and data systems. As a spring loaded connector, it is designed for durability and long service life, supporting more than 10,000 mating operations. The circular housing improves resistance to dust accumulation and supports basic moisture protection, making it suitable for compact wearable and portable devices. The magnetic pogo pin connector is widely used in wireless charging cases, smart accessories, and miniature IoT equipment. We also define the pogo pin charging connector as a multifunction interface capable of delivering both stable charging current and signal transmission in small electronic assemblies. The magnetic pogo pin connector continues to evolve as we refine magnetic force distribution and contact stability for next generation applications. At Asialink International Technology Corp., we focus on precision engineering to ensure every magnetic pogo pin connector delivers consistent performance in real world operating conditions.
Categories > Connectors
4mm Micro Magnetic Pogo Pin Connector (Circular Charging Port)
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Ultra-compact 4mm circular magnetic pogo pin connector, providing a seamless waterproof charging interface for wearables and IoT devices.
Category Overview :

Advanced Plating & Material Features

  • Ultra-Miniature 4mm Design:
    Specifically developed for next-generation micro-electronics, offering a minimal footprint for the most space-constrained designs.
  • High-Performance Pogo Pin Technology:
    Features precision-engineered, gold-plated spring pins that ensure reliable electrical conductivity and consistent contact force.
  • Strong Magnetic Self-Alignment:
    Despite its tiny 4mm size, the integrated high-grade magnets provide a powerful self-centering force for easy and secure "blind mating."
  • Dust & Water Resistance:
    The low-profile circular design is easy to clean and can be integrated into enclosures to provide basic dust and moisture protection for internal components.
  • Exceptional Durability:
    Built to withstand over 10,000 mating cycles, ensuring long-term reliability for consumer and industrial port applications.

Technical Specifications

  • Component Type: Circular Magnetic Pogo Pin Connector (Base/Socket)
  • Contact Material: Precision Gold-plated Copper Alloy (Spring-loaded)
  • Housing Material: High-Temperature Resistant Engineering Plastic/ Nickel-plated Metal
  • Magnet Type: High-Grade N52 Neodymium Magnets
  • Function: DC Power Charging & Stable Data/ Signal Transmission
  • Operating Voltage/ Current: Customizable (Standard 1A-2A support)

Target Applications

  • Smart Wearables: Ideal for Smart Rings, high-end fitness trackers, and smart eyewear.
  • Medical Devices: Miniature diagnostic sensors, hearing aids, and portable medical probes.
  • IoT & Specialized Gadgets: Micro-sensors, hidden electronic locks, and smart tags.
  • Compact Consumer Electronics: E-cigarettes, stylus pens, and wireless earbud charging cases.

OEM/ODM Services

AsiaLink provides professional electronic component manufacturing services. We can customize magnetic force or dimensions based on your mechanical requirements.
Please send us your inquiries with 2D drawings (dwg/dxf), 3D files (igs/stp), or PDF specifications.

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Modern wearable and compact electronic devices require highly reliable micro connection systems, and Asialink International Technology Corp. develops solutions specifically for this demand. The 4mm magnetic pogo pin connector is engineered to deliver stable electrical performance in ultra small spaces where precision and durability are critical. This magnetic pogo pin connector integrates magnetic self alignment with precision engineered spring contact technology, allowing smooth docking without visual alignment. Built on a robust pogo pin connector foundation, it ensures consistent conductivity through gold plated spring loaded contacts that maintain low resistance performance during repeated use. As a spring loaded connector, it is designed for long lifecycle applications exceeding 10,000 mating cycles. The compact circular structure enhances integration flexibility for wearable devices, IoT modules, and miniature electronic systems. The pogo pin charging connector concept ensures stable power and signal transmission across compact devices, supporting both functional reliability and mechanical efficiency. This magnetic pogo pin connector is widely adopted in smart rings, portable sensors, and compact consumer electronics where space optimization is essential.