About Seizo
Twenty-five years of making the parts others depend on.
Seizo (製造 — “manufacturing”) started with a simple belief: the world's best products deserve components built with the same care as the products themselves.
2.4B+
Components shipped annually
99.98%
Outgoing quality yield
40+
Countries served
25
Years of manufacturing
Our journey
Founded as a precision resistor manufacturer with a single production line and 12 employees.
Entered passive components at scale; first automotive customer qualified our MLCC line.
Opened wafer fab for analog and mixed-signal ICs; achieved IATF 16949 certification.
Launched power module division; SiC development program began with university partners.
ISO 13485 certification opened medical device market; sensor family shipped its 100-millionth unit.
Six product families, 2.4B+ components a year, and application engineering hubs on three continents.
What we believe
Precision is a habit
Tolerances are not targets to approach — they are promises to keep. We measure everything, and we publish what we measure.
Engineers serve engineers
Our sales calls include application engineers, not just account managers. Problems get solved in the first meeting, not the fourth.
Long-term over quarter-term
Component lifecycles run 10–15 years in our markets. We commit to availability windows and honor them — no surprise EOLs.
Build with us.
Whether you need a million standard parts or one custom design, the conversation starts the same way.
Get in Touch