Overview

IXYS Corporation is an integrated semiconductor company headquartered in Milpitas, California, founded in 1983. It makes power semiconductors, RF power semiconductors, and digital and analog integrated circuits for power conversion and energy efficiency applications. The company reports 100-200 employees and a revenue band of about $334M, and it is a publicly listed subsidiary of Littelfuse, Inc. Its industries include automotive, electric vehicles, electronics, medical, military and defense, and plumbing hardware. Reported certifications include IATF 16949 and ISO 9001.

At a glance

What Ixys Corporation makes

The company holds IATF 16949 and ISO 9001 certifications and is listed under battery and e-mobility capabilities, with documented work in power semiconductors and PCB assembly.

Certifications

Ixys Corporation is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• IATF 16949 — littelfuse.com

• ISO 9001 — littelfuse.com

Latest developments

• 2026-10-23 — New pick and place machines strengthen Ixys' PCB assembly line (ixys.no)

• 2026-09-25 — 🚚 Friday delivery! 📦 Two pick-and-place machines have arrived at our premises in Bryne! | Ixys AS (linkedin.com)

• 2026-06-07 — ixys - Sumzi Electronics Co., Ltd (sumzi.com)

• 2025-12-15 — Supporting Ixys AS in scaling subsea cable production - Waldec Group (waldecgroup.com)

• 2025-11-12 — Ixys delivers control PCB to Kolumbus city bike system (ixys.no)

• 2025-10-21 — Hyperbaric testing chamber at Ixys (ixys.no)

Facilities

Ixys Corporation is headquartered in Milpitas, California. Public sources also reference these locations:

• Santa Clara, California — sumzi.com

Company details

IXYS is a subsidiary of Littelfuse, Inc., with a reported base of 100-200 employees and a revenue band of about $334M. Ixys Corporation was founded in 1983, has an estimated 100-200 employees, and is headquartered in Milpitas, California. On the LightSource stability read it is rated "Established & strong": 43 years in operation (founded 1983). Publicly listed; no distress event on record. Holds IATF 16949, ISO 9001 certification(s) per public sources.

Frequently asked questions

What does Ixys Corporation make?

IXYS Corporation is an integrated semiconductor company headquartered in Milpitas, California, founded in 1983. It makes power semiconductors, RF power semiconductors, and digital and analog integrated circuits for power conversion and energy efficiency applications. The company reports 100-200 employees and a revenue band of about $334M, and it is a publicly listed subsidiary of Littelfuse, Inc. Its industries include automotive, electric vehicles, electronics, medical, military and defense, and plumbing hardware. Reported certifications include IATF 16949 and ISO 9001.

Where is Ixys Corporation headquartered?

Ixys Corporation is headquartered in Milpitas, California (1590 Buckeye Dr, Milpitas, California, 95035).

When was Ixys Corporation founded?

Ixys Corporation was founded in 1983.

How big is Ixys Corporation?

Ixys Corporation has an estimated 100-200 employees, with revenue in the 334M range.

Is Ixys Corporation publicly traded?

Publicly traded (NASDAQ: IXYS). Public financial figures are drawn from its filings.

What certifications does Ixys Corporation hold?

Ixys Corporation lists IATF 16949 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.

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Last verified Nov 2026. Is this your company? Request a correction.