Small technology makes a big impact.
We dream of realizing such potential and keep striving for it.
Discrete Devices

To meet a variety of customer needs, we dedicate ourselves to developing discrete devices including High-voltage, High-current transistors, MOS-FETs, and Analog ICs.

Power Modules

We bring together our expertise in circuit technology and packaging technology to design and develop semiconductor devices including Custom power units, Gate drivers, and DC/DC converters.

We operate globally.
Our network for production, sales, and distribution allows us to communicate closely with each other so that we can speedily meet the demands of our customers worldwide.


What's New NEW
Best suited for detecting input voltage of interface circuit! Meet specifications for automotive use (AEC-Q101 compliance).
2 elements of RT1N441 (R1 = 47kΩ, R2 = 47kΩ, NPN transistor) and Zener diode with Vz:18V are built in SC-88 package.
Started accepting orders. (Type name: RTE21N3M-T150)
What's New
Developed RT3N33M for automotive use (AEC-Q101 compliant).
It has two built-in RT1N441 (R1 = 47kΩ, R2 = 47kΩ, NPN transistor) and can be used in various circuits.
Started accepting orders. (Type name: RT3N33M-T150:SC-88)


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