Measures against small heat generation

We have compliance with countermeasures against small heat generation in AC power adapters. The UNIFIVE’s AC power adapter is a compact, safe and secure design that takes heat generation measures into account, and has a wealth of lineups. With a USB charging device, flexible correspondence such as bundled cabling is possible.

About the mounting space of the AC adapter

When designing the product for a customer, is there a scenario in which the space becomes a problem with the internal power supply?


The AC adapter is an electronic component that contributes to size and weight reduction for customers equipment, by putting out the space to the outside. In recent years, devices like AC - AC power supply are seen as a tendency to use the power of DC output for each circumstance.


For example, the following devices are listed.


"Once, the mainstream was the fan was using AC motors, fans using quietly designed DC motors have become mainstream.  Because it is light and easy to use, there are an increasing number of cordless vacuum cleaners that use batteries, and the number of objects charging the AC adapter is increasing.  Liquid crystal televisions of sizes up to 32 are often using AC adapters. "


As mentioned above, by making the power supply external (AC adapter), it is possible to reduce the size and weight of the equipment.

What matters is "safety and reliability"

AC power adapter the Japanese market meets the safety standard of PSE. Also, in overseas markets, we undergo various regulations under the framework of EPS (external power supply).


If you have any questions regarding safety, please contact our sales associates. 

About small AC adapter

UNIFIVE’s small AC power adapter is compact, safe design considering heat generation countermeasure, and has a rich line-up. This simple "compact size AC adapter that does not interfere with outlet!" "Easy to carry, foldable blades!" Or simply small, actually from various angles It is proof that you can answer your request.


We are preparing for a wide variety of variations to respond to requests of customers looking for an AC adapter, so we are sure to confirm the product introduction page of our company's unique Five. Of course, we will consider customization such as "I want to adjust for a long life", "Temperature becomes matter of concern" for each request and each case. For example, if it is a charger etc., enclosure etc of the USB cable can also correspond.

About Unifive's open frame power supply

Also, with regard to the built-in power supply, it is possible to propose a safe and secure power supply even if it is small, making full use of the experience accumulated through miniaturization of the AC adapter.


If there is a substrate constraint condition etc, it is also possible to review it if you have a WORK CIRCUIT DIAGRAM. Please do not hesitate to talk to a sales associate when you need help. 

You can get the product catalog in PDF.

Product initiatives

Since 1989, UNIFIVE has maintained the quality of their AC power adapters and switching power supplies through rigorous quality controls.

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