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ROHM's New High Anti-surge Chip Resistors in "SDR01 Series" Achieve 0.33W Rated Power in 0402 Size 11.09.2026, 09:05 Uhr von EQS News Jetzt kommentieren: 0

EQS-News: ROHM Co., Ltd. / Key word(s): Product Launch/Research Update
ROHM's New High Anti-surge Chip Resistors in "SDR01 Series" Achieve 0.33W Rated Power in 0402 Size

11.09.2026 / 09:05 CET/CEST
The issuer is solely responsible for the content of this announcement.


KYOTO, Japan, Sept. 11, 2026 /PRNewswire/ -- ROHM Co., Ltd. has developed the "SDR01 Series" of high anti-surge chip resistors, achieving a high rated power of 0.33W in the 0402 (1005 Metric) size. Designed for electronic equipment where mounting densities continue to increase, the series is well suited for automotive, industrial, consumer electronics, and AI server applications. The new products help save board space and reduce component count by enabling replacement of larger-size resistors and consolidation of resistors while maintaining the reliability required of anti-surge chip resistors.

SDR01 Series product lineup page: https://www.rohm.com/products/resistors/high-reliability-resistors/high-anti-surge-chip-resistors?PS_ResistorSize=1005(0402)#parametricSearch

Figures: Product features
https://cdn.kyodonewsprwire.jp/prwfile/release/M106254/202609035220/_prw_PI1fl_nzMTFAeK.jpg 

As electronic equipment becomes more highly functional and requires higher power, demand is rising across the automotive, industrial, and consumer markets for electronic components that combine compact size with high power handling. These trends are also increasing the need for smaller high-reliability chip resistors, including anti-surge products. In power supply circuits and around interfaces, resistance to surges and electrostatic discharge (ESD), as well as high-power capability, is required.

To address these needs, ROHM optimized the resistive element and electrode designs of the SDR01 Series. This enables high rated power to be guaranteed in the 0402 size while securing the reliability expected of high anti-surge chip resistors.

The new products guarantee 0.33W up to the rated terminal temperature of Tk=125 deg C. This makes them easier to use in demanding thermal environments, such as high-density mounting and areas around heat-generating components, helping reduce the thermal design burden.

In addition, these products achieve a TCR of plus or minus 100ppm/deg C for 10 ohms less than or equal to R less than or equal to 2.2 megohms. By suppressing resistance-value fluctuations caused by temperature changes, the products support stable circuit operation and contribute to smaller, more reliable power supply circuits and peripheral interface circuits.

ROHM will continue to expand its lineup of high-reliability chip resistors, contributing to greater miniaturization, higher power handling, and higher reliability in electronic equipment.

News release: https://www.rohm.com/news-detail?news-title=2026-09-10_news_resistor&defaultGroupId=false 

About ROHM: https://kyodonewsprwire.jp/attach/202609035220-O1-VsjR7JRC.pdf 

Logo: https://cdn.kyodonewsprwire.jp/prwfile/release/M106254/202512100752/_prw_PI2fl_eye2CRM2.jpg 

Official website: https://www.rohm.com/ 

Cision View original content:https://www.prnewswire.com/de/pressemitteilungen/rohms-new-high-anti-surge-chip-resistors-in-sdr01-series-achieve-0-33w-rated-power-in-0402-size-302875940.html

rt.gif?NewsItemId=EN45631&Transmission_Id=202609110300PR_NEWS_EURO_ND__EN45631&DateId=20260911


11.09.2026 CET/CEST Dissemination of a Corporate News, transmitted by EQS News - a service of EQS Group.
The issuer is solely responsible for the content of this announcement.

The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.
View original content: EQS News


2397758  11.09.2026 CET/CEST

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