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This section provides an overview for spring pin connectors as well as their applications and principles. Also, please take a look at the list of 10 spring pin connector manufacturers and their company rankings. Here are the top-ranked spring pin connector companies as of January, 2025: 1.Plastronics, 2.Preci-Dip, 3.Adam Tech USA.
Table of Contents
A spring pin connector is an electrical connector component used as a contact point for conducting electricity between different components.
It consists of a pin, a tube, and a spring. Since the spring is contained in the tube connected to the pin, it is highly resistant to vibration, and contact is not easily disturbed even if the tube is shaken.
There are many types of connectors, including fine-pitch connectors, low-resistance modular connectors, and those with housings. There is also a wide variety of products in terms of number of poles, number of contacts, and contact height. Many products have good durability and can be connected and disconnected with a single touch.
Spring pin connectors are used in mobile and transportation equipment. Spring pin connectors are essential for products that are subject to vibration because the spring makes it easy to maintain contact even when subjected to vibration.
In our daily lives, they are used in charging boxes for wireless earphones, connecting a 2-in-1 PC or tablet device to a keyboard, charging smartwatches, and charging connectors for electric vehicles. Spring pin connectors also contribute to the miniaturization of devices.
For example, they are suitable for connecting boards or batteries. Other applications include cradles and internal antenna connections. Surface mount, through-hole, and solder cup types are available, and they are connected to the board with solder.
Spring pin connectors use spring force to maintain contact between electrical contacts. It consists of three parts: a hollow barrel that serves as the main body, a coil-type spring that is stored inside the barrel, and a plunger that is pressed against the mating part by the spring.
There is also a type with a four-component structure that includes a ball, shell, and insulator between the spring and plunger. The structure of spring pin connectors is also called a pogo pin structure.
The name comes from the fact that the spring-loaded repulsive structure resembles a pogo stick, a stick-shaped piece of play equipment with a handle and step, which is used to jump with the force of the spring. Brass is often used for the plunger and barrel, and SUS or piano wire is often used for the spring. Gold plating is the most common surface treatment for the contact surface.
When mating parts using spring pin connectors, it is preferable to mate them vertically. If the parts are connected so that they slide together horizontally instead of vertically, the plunger will exert a force that tries to collapse against the barrel in a direction that is 90° off from the direction in which the spring is pushed down.
If the spring is not pushed down, this could result in damage to the barrel rim. However, horizontal mating is possible by taking measures to account for horizontal mating.
Even so, the number of mating cycles that can be endured is generally less, and the plating is subject to greater wear due to sliding.
Spring pin connectors have specifications with improved special functions depending on the application. Three typical specifications are introduced below.
Waterproof
Waterproof spring pin connectors are selected when there is a possibility that the product may get wet. Waterproof components such as potting, O-rings, and rubber sheets are used for waterproofing.
High-Speed Transmission Support
Information is transmitted in electronic equipment, and high-speed transmission of data is essential to improve equipment performance. When using spring pin connectors to transmit large amounts of data at high speeds, specifications such as pin arrangements are designed based on connector electromagnetic field analysis.
High Current Capability
Some spring pin connectors are used for high-current connections. To allow a large amount of current to flow even with small spring pin connectors, components such as balls and insulators are incorporated to secure the contact area and reduce heat generation.
*Including some distributors, etc.
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Adam Tech USA is an American manufacturer of electronic interconnects, cable assemblies, and custom components established in 1987 and headquartered in Union, New Jersey. The company produces electromechanical components including various switches, and custom components such as magnetic pogo pin cable assemblies and fiber optic adapters. It also offers standard as well as custom cable assemblies for unique client projects. The company operates internationally, with subsidiaries and branch offices in Germany, Taiwan, and Brazil.
Plastronics, established in 1969, is a manufacturer of sockets, connectors, and pins. The sockets include QFN, LGA, BGA, and custom sockets to fulfill humidity, burn-in, failure analysis, and test requirements. The pins are used the custom socket integrators, burn-in socket & test contactors makers, and equipment manufacturers with OEM applications. The company in Irving, Texas, has in-house capabilities such as tooling, molding, assembling, and packaging. They support community organizations such as Irving School Foundation, the American Cancer Society, and Irving Police Department.
Mill-Max Mfg. Corp., founded in 1971, and headquartered in Oyster Bay,New York, is a manufacturer of precision-machined interconnect components. The company produces both standard and application-specific interconnects. Its product range includes precision-machined contact and PCB pins, spring-loaded connectors, solder terminals, IC sockets, and board-to-board interconnects, available in SMT and through-hole configurations. The company operates under stringent quality systems like MIL-I-45208, QS9000, ISO-9001, and AS9000, ensuring adherence to industry manufacturing standards and quality.
Harwin, established in 1952 and headquartered in Portsmouth, UK, is a manufacturer and supplier of industry-standard interconnect devices and PCB hardware. Their extensive product range includes connectors such as board-to-board, cable, and high-speed connectors for electronic device connections. They also offer PCB hardware like terminal blocks, sockets, and standoffs for mounting electronic components. Harwin provides EMC shielding products, including EMI gaskets, enclosures, and filters to safeguard devices from electromagnetic interference. Moreover, they offer backplane systems for connecting electronic devices in a backplane configuration, catering to telecommunications, industrial automation, and medical devices industries.
CCP Contact Probes is based in Taiwan since 1986 as a manufacturer of spring-loaded probes and connectors. The company also provides testing solutions that are used at industrial levels such as Battery probes for testing different current batteries, and standard and custom test solutions for RAM, Flash, memory chips, and more. Their connector inventory includes Pogo Pin, Female, Industrial, and High Current Connectors that are further classified into being waterproof, magnetic, high frequency, etc. These connectors have long life cycles and robust designs for use in electric vehicles, heavy machine, medical, and various industrial applications.
Yokowo America Corporation is a manufacturer of electronic components and advanced connectivity solutions. The company was founded in 1922 and is based in Japan. The Company’s product portfolio includes antennas, connectors, circuits, and electronic devices. Leveraging its global expertise, the company provides seamless integration of technology to enable efficient and dependable connections. Satisfied in its its dependability and forward-thinking approach, Yokowo America Corporation continues to shape and enhance connectivity experiences in today's interconnected world.
Assmann WSW Components was established in 2005, headquartered in Lüdenscheid, North Rhine-Westphalia, is a manufacturer of electrical and electronics appliances. As part of the BCS Group GmbH, the company specializes in produces and sells standard and custom-tailored connectors, cable assemblies, heat sinks, and assembly services. It has expertise in electromechanical components and thermal management. These products are used in both the industrial and automotive sectors. Its expansive global distribution network makes its products accessible across continents, including America, Africa, Asia, Australia, and Europe.
Preci-Dip, founded in Switzerland, in 1976 is a manufacturer of OEM and electronic components. The company's product portfolio includes machine parts that are used in electronic assemblies, resistors, capacitors, connectors, and integrated circuits and accessories. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. The company also provides services including national distribution, product selection, customized services, technical support and customer service.
Computer Network Accessories Inc., based in Dayton, Ohio, is an online supplier of several electronic products, such as power adapters, network hardware, and bulk cabling. The company also stocks computer hardware and accessories like keyboards, hard drives, and modems and sells toner cartridges compatible with several brands like HP, IBM, and Epson. The company has an online catalog of its products where customers can make orders, and it allows purchase orders. It provides free shipping for all orders over $99, and customers can return goods if unsatisfied within 30 days of purchase.
Ranking as of January 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Plastronics |
16.7%
|
| 2 | Preci-Dip |
16.7%
|
| 3 | Adam Tech USA |
16.7%
|
| 4 | Assmann WSW components |
12.5%
|
| 5 | Harwin |
12.5%
|
| 6 | Mill-Max Mfg. Corp. |
8.3%
|
| 7 | C.C.P. Contact Probes Co., LTD. |
8.3%
|
| 8 | Computer Network Accessories, Inc. |
4.2%
|
| 9 | Yokoo Co., Ltd. |
4.2%
|
Derivation Method
The ranking is calculated based on the click share within the spring pin connector page as of January 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
3 | 42.9% |
|
Japan
|
2 | 28.6% |
|
United Kingdom
|
1 | 14.3% |
|
Taiwan
|
1 | 14.3% |
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We handle organ products and in-gun products.
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