Transient voltage suppressor protects automotive Ethernet
Semtech Corporation has announced the RClamp10022PWQ, a two-line transient voltage suppressor designed specifically for automotive Ethernet applications and is fully compliant with Open Alliance specifications for 10BASE-T1S, 100BASE-T1 and 1000BASE-T1 automotive Ethernet interfaces.
Compliance with Open Alliance specifications is particularly significant as automotive manufacturers standardise on Ethernet for in-vehicle networks. Open Alliance compliance ensures interoperability across different vehicle platforms and simplifies the qualification process for tier-1 suppliers and Original Equipment Manufacturers (OEMs).
Qualified to the AEC-Q101 standard for deployment in harsh automotive environments, the RClamp10022PWQ features robust ±15kV contact and ±25kV air discharge protection per IEC 61000-4-2, exceeding automotive requirements. Its ultra-low capacitance of 0.6pF maximum ensures signal integrity for high-speed automotive networks up to 10 Gbps.
“As automotive networks evolve to support ADAS, autonomous driving features and infotainment systems, reliable high-speed data transmission becomes critical,” said Eric Wentzel, product marketing director, automotive segment, protection products at Semtech. “The RClamp10022PWQ addresses this need by providing robust ESD protection while maintaining signal integrity across multiple Ethernet speeds, from 10 Mbps to 10 Gbps.”
The RClamp10022PWQ features a wide operating temperature range of -40°C to +125°C, a flow-through package design for simplified PCB layout, side-wettable flanks for automated optical inspection, and 1000 contact discharge endurance at ±15kV.
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