Drop-in replacement diodes improve ESD protection

The latest new generation of in-vehicle network protection diodes offer a higher surge current, greater ESD robustness and a significant improvement in ESD clamping performance, according to Nexperia, the former standard products division of NXP.

The AEC-Q101 qualified PESDxIVN series of surface mount devices is optimised for the latest generation of CAN, LIN, and FlexRay transceivers.

The parts are drop-in replacement for legacy devices, available in familiar SOT23, SOD323 and SOT323 packages. They deliver higher performance, says Nexperia, for example, PESD2IVN24-T parts deliver a 30kV ESD robustness (up from 23kV on the legacy PESD1CAN), an improved surge current of 3.5A and much better clamping of 42V at 3.5A (improved from 70V at 3.0A).

Other parameters remain constant or slightly better, confirms Nexperia. The PESD1IVN27-A offers the same improvement in ESD robustness with an improved,  lower clamping voltage compared to the legacy PESD1LIN.

Nexperia’s marketing manager, Automotive André Dressler said: “In modern vehicles there is an increasing amount of data exchange and the electronic content is growing in functionality and complexity. Therefore effective ESD protection solutions are imperative. Nexperia has brought on-line a massive capacity increase for ESD diodes in order to guarantee a secure chain, and provide customers with peace of mind that they are protecting the electronics in their vehicles with high-performance, rugged and efficient devices.”

Nexperia supplies discretes, logic and MOSFETs devices. The company became independent from NXP at the beginning of 2017. Nexperia produces  high volumes of semiconductor components – 85 billion annually. The company’s portfolio meets the stringent standards set by the automotive industry. Industry-leading, miniature packages, produced in its own manufacturing facilities, combine power and thermal efficiency with best-in-class quality levels, claims the company.
Nexperia has 11,000 employees across Asia, Europe and the US.



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