ROHM advances miniaturization in power electronics with high-rated 0402 anti-surge resistors
Executive summary: ROHM Co., Ltd. released the SDR01 Series of chip resistors, capable of handling 0.33W of rated power within a compact 0402 (1005 Metric) package. The product enables higher power handling in smaller footprints, facilitating the trend toward increased mounting density in modern electronic devices.
Who is involved: ROHM Co., Ltd.
Likely next: Integration of SDR01 components into consumer and industrial electronic design cycles.
ROHM has launched the SDR01 Series, which provides a significant power density increase for the 0402 metric size. This development addresses the critical industry demand for smaller components that can withstand electrical surges in increasingly dense electronic assemblies.
What's next — scenarios
Base: Adoption in high-density consumer electronics (65%)
Increased market share for ROHM in the miniaturized passive component segment.
- Volume orders from smartphone or wearable manufacturers
Upside: Industrial/Automotive standardization (25%)
High-volume supply contracts for automotive inverters or industrial power modules.
- Design wins in EV power management systems
Downside: Supply chain price volatility (10%)
Erosion of margins due to increased raw material costs for high-performance ceramics.
- Spike in specialized ceramic or metal substrate prices
What to watch
- Quarterly earnings reports from ROHM for component sales growth
- Design win announcements in the automotive or mobile sectors
Timeline
- — ROHM's New High Anti-surge Chip Resistors in "SDR01 Series" Achieve 0.33W Rated Power in 0402 Size (PR Newswire)
- — ROHM Introduces 650V IGBTs, Achieving Industry-leading Low-loss Characteristics (PR Newswire)
- — ROHM's New Buck-Boost DC-DC Eval Board for Ultra-compact Mounting (GlobeNewswire)
Analysis — what this means
Sectors affected
- Consumer Electronics
- Automotive Power Management
- Industrial Automation
- Semiconductor Components
Historical parallels
- ROHM 650V IGBT launch (August 2026) focusing on automotive efficiency
- ROHM Terahertz wave device development (August 2026) expanding high-frequency capabilities
Key entities
Sources
- ROHM's New High Anti-surge Chip Resistors in "SDR01 Series" Achieve 0.33W Rated Power in 0402 Size — PR Newswire
- ROHM Introduces 650V IGBTs, Achieving Industry-leading Low-loss Characteristics — PR Newswire
- ROHM's New Buck-Boost DC-DC Eval Board for Ultra-compact Mounting — GlobeNewswire