ROHM has released a new 100V withstand voltage MOSFET that can be used for automotive safety devices and protection circuits. This product focuses on improving the reliability of automotive safety systems that require high power instantaneously.


ROHM announced on the 16th that it has developed a 100V automotive MOSFET 'RS4P063BPHZG'.

The company explained that the new product uses the 5060 package, which is widely used in the automotive sector, and achieves industry-leading Safe Operating Area (SOA) characteristics over a wide voltage range.

SOA refers to the voltage and current range in which a semiconductor device can operate safely without damage.

ROHM announced that the new product has secured an SOA withstand capability approximately five times higher than that of a standard product of the same size by applying a design that suppresses secondary breakdown.

It was explained that this allows it to be applied to automotive safety systems where instantaneous high voltage and high current loads occur, such as airbag inflator ignition circuits, seatbelt pretensioner driving circuits, and pyrofuse driving circuits for battery disconnection.

In addition, it was added that adopting the standard 5060 package makes it easy to apply replacements using existing designs and reduces the development burden associated with design changes.

ROHM explained that due to the recent expansion of automotive electrification, the demand for high voltage and high current support in automotive systems is increasing.

It was stated that the SOA performance of MOSFETs is particularly important for safety functions and protection circuits, as instantaneous high power loads occur during abnormal or emergency situations.

The company explained that it developed this product by applying the technology accumulated while supplying Wide-SOA products for AI servers and industrial equipment power supplies to the automotive sector.

Mass production of the new product began in June 2026 and through online parts distribution networks It is being supplied. ROHM announced that it plans to expand its range of automotive MOSFET products based on HPLF8080 and TOLG packages for Wide-SOA compatibility in the future.