For SPT, small switching power supply, charger, or transformer, Alpha Trans is Here.

SPT（Speedy Power Trans）

You can make the power supply Speedy.
SPT stands for “Speedy Power Trans”, and we will supply power transformer that is optimally designed for each makers power supply IC in a short time.

Power transformer

Utilizing our unique technology for the design of bobbin, we develop, design, and manufacture an original transformer that contributes a power supply system to be smaller, lighter, and more efficient.
We also supply custom transformers according to customer’s request in a short time.

Coils

In order to meet various needs from customers, we have many lineups of coil that wide variety of shape and size.
Customizing coils can also be available.　　　

Power Supply Unit

Power supply is designed by experienced power supply design engineers.
We are good at power supply with a range up to approximately 200W.
Depending on number of ordered lots, products are manufactured in Japan or China.