ROHM Unveils High-Reliability MOSFET for Automotive Safety Systems
Event summary
- ROHM launched the RS4P063BPHZG, a 100V MOSFET with Wide-SOA for automotive safety functions, on September 16, 2026.
- The product offers approximately five times the SOA tolerance of standard equivalent-sized products under VDS=100V and PW=100 microseconds.
- The MOSFET is designed for applications like airbag inflator ignition circuits and seat belt pretensioner drive circuits.
- ROHM is developing additional automotive Wide-SOA MOSFETs in HPLF8080 and TOLG packages.
The big picture
ROHM's new MOSFET addresses the growing demand for high-reliability components in automotive safety systems, driven by vehicle electrification. The product leverages ROHM's expertise in Wide-SOA technologies, previously applied in AI servers and industrial power supplies. This strategic move positions ROHM to capitalize on the increasing need for robust semiconductor solutions in the automotive sector.
What we're watching
- Market Adoption
- How quickly automotive manufacturers will integrate ROHM's Wide-SOA MOSFETs into their safety systems.
- Competitive Response
- Whether competitors will introduce similar high-SOA MOSFETs to capture market share.
- Portfolio Expansion
- The pace at which ROHM will expand its automotive safety-focused MOSFET lineup.
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