![[UNIFIVE] AC/DC Power Adapter & Switching Power Supply Manufacturer](common/img/header-logo.svg){kind=logo}
We are UNIFIVE, a manufacturer specializing in AC/DC adapters & switching power supplies.
Comprehensive support from design and mass production to safety standards compliance, quality assurance, and after-sales service
For industrial equipment AC/DC Power Adapter
High-quality AC/DC Power Adapter designed to withstand harsh environments and prolonged use
You can also count on UNIFIVE for medical power supplies.
Power supplies that support the safety and reliability of medical devices. We offer an extensive lineup of medical-grade power supply series.
No AC cord required, and the 100W model is now wall-mountable too.
By adopting next-generation power semiconductors, even 100W-class professional AC/DC Power Adapter can be made into compact wall-mount units. Eliminating the need for an AC cord helps reduce peripheral components and costs.
We will exhibit at electronica 2026
It will be held in Munich, Germany, from November 10 (Tue) to 13 (Fri), 2026. Our booth is Hall A5/471. We will showcase compact, high-efficiency power supplies and custom power supplies.
Established in 1989 as a manufacturer of AC/DC Power Adapter and switching power supplies, UNIFIVE
provides high-value-added Products that meet global needs while complying with international standards and pursuing smaller, lighter, and more advanced designs.
Flexible Customization
We accurately identify the diversifying needs of the market and our customers, and flexibly accommodate custom orders starting from small production runs.
We develop more than 1,500 new models and ship over 15,000 samples annually, supported by flexible production systems at our development and manufacturing facilities.
A Proven Track Record Worldwide
Since its establishment in Tokyo in 1989, UNIFIVE has expanded its sales network around the world and built an extensive track record.
We have established a comprehensive quality assurance system covering every process, from gathering market requirements to design and development, mass production, quality inspection, and maintenance services.
Find products by the application of the equipment in which they will be used.
Specifications can be fine-tuned and customized, so please feel free to contact us.
In addition to application, you can narrow down the optimal Products using the following criteria.
Explore the connection terminals required for AC/DC Power Adapter and Power Supplies. We offer an extensive lineup of more than 300 types, including S-type straight, L-type right-angle, EIAJ, USB Type-C, and Micro USB plugs. We can also flexibly accommodate detailed requests, such as crimping special terminals, adjusting the length of DC plug metal sections, and changing cable lengths. We will recommend the optimal combination for your application and equipment specifications.
UNIFIVE provides custom solutions for AC/DC Power Adapter and switching power supplies. We can accommodate a wide range of requirements, including safety standards, durability, noise suppression, and special connectors. We recommend optimal power supply specifications for each application, ranging from 3W to 1.5kW.
Learn about UNIFIVE's commitment to quality. As a manufacturer of AC/DC Power Adapter and switching power supplies, we have established a rigorous quality assurance system covering every process, from gathering market requirements to design, development, mass production, and post-shipment maintenance.
UNIFIVE flexibly meets customer needs, from modifications of existing Products to fully customized solutions.
| Our semi-custom solutions leverage proven molds and designs to achieve short lead times, while our fully customized solutions are developed from the ground up for a wide range of fields, including medical, industrial, information technology, and IoT equipment. Explore examples of custom power supplies we have developed for a variety of industries and applications. |
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Company Information We provide corporate information about UNIFIVE CO., LTD., including our head office, factories, development facilities, overseas locations, initiatives, and social responsibility, as well as our history, distributors and retailers handling our Products, major clients, and recruitment information. |
