![[Unifive] AC adapter & switching power supply manufacturer](common/img/header-logo.svg){kind=logo}
AC/DC adapter & switching power supply specialist manufacturer UNIFIVE.
Integrated support from design to mass production, safety standards compliance, quality assurance, and after-sales support
AC adapter for industrial equipment
High-quality AC/DC Power Adapters — Desktop & Wall-Mount that withstands harsh environments and long hours of use
Leave medical power supplies to UNIFIVE.
Power solutions that ensure the safety and reliability of medical devices. We offer a wide range of medical-grade power supply series.
Exhibition at CES 2026
We will exhibit at one of the world's largest trade shows, "CES 2026" (Las Vegas, USA). We will unveil our latest power solutions for the international market.
Achieves approximately 70% miniaturization, new 200W GaN UNIFIVE AC/DC Power Adapters — Desktop & Wall-Mount released
Released in the same form as CCCV operation Products, also compatible with charging demand for lithium batteries.
Established in 1989 as a manufacturer of AC adapters and switching power supplies, Unifive provides high value-added products tailored to global needs, while complying with international standards and pursuing miniaturization, weight reduction, and higher functionality.
Flexible custom solutions
We accurately grasp the diversifying market and customer needs and flexibly respond to custom orders even in small lots.
We develop over 1,500 new models annually and ship more than 15,000 samples per year. Our development and manufacturing bases have established a flexible production system.
Proven global track record
Since its founding in Tokyo in 1989, Unifive has expanded its sales bases globally and built a wealth of experience.
We have established a quality assurance system covering all processes, from collecting market needs to design, development, mass production, quality inspection, and after-sales service.
You can search based on the application of the equipment used.
We offer fine-tuning and customization, so please feel free to consult us.
In addition to applications, you can narrow down the optimal products by the following criteria.
You can check the necessary connectors for AC adapters and power products. We offer a wide lineup of over 300 types, including straight type S, right-angle type L, EIAJ, USB Type-C, and Micro USB. We can also flexibly handle fine requests such as crimping special terminals, adjusting metal part lengths of DC plugs, and changing code lengths. We propose optimal combinations according to your usage and device specifications.
At Unifive, as a manufacturer of AC adapters and switching power supplies, we provide custom power solutions optimized for our customers' equipment across a wide range of industries. We can respond to detailed requests including safety standards, design, electrical characteristics, environmental standards, efficiency standards, noise reduction, longer life, and meeting customer quality standards. We have a broad track record of customization with output ranging from 3 W to over 1 kW.
This section introduces Unifive’s commitment to quality. As a manufacturer of AC adapters and switching power supplies, we have established a thorough quality assurance system covering all stages from market needs collection to design, development, mass production, and post-shipment maintenance activities.
At Unifive, we flexibly handle everything from modifications of existing products to full customization based on customer needs.
| Semi-customization using existing molds and designs enables short lead times, and full customization from scratch covers a wide range of fields including medical, industrial, IT equipment, and IoT. Here are examples of custom power supplies we have developed for various industries and applications. |
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Company Information We present the corporate information of UNIFIVE CO., LTD.. This includes introductions to its headquarters, in-house factory, in-house development bases, and overseas locations, as well as initiatives, social responsibilities, company history, distributors and Products retailers, major business partners, and recruitment information. |
