PLED9S-A - PLEDxS-A Series

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Automotive PLED Series (PLEDxS-A) open LED protectors provide a switching electronic shunt path when an LED in an LED string fails as an open circuit. This ensures that the remaining string of LEDs will continue to function if a single LED does not. This series is designed for automotive applications such as automotive car head lamp, tail lamp, LED indicator protection, aircraft runway lighting and other applications need high reliability requirements. Compatible with one, two and three watt LEDs that have a nominal 3V forward characteristic.


  • Recognized to UL 497B as an Isolated Loop Circuit Protector
  • AEC−Q101 Qualified and PPAP Capable
  • Fast switching
  • Automatically resets after power cycle
  • Available in standard DO- 214AA package
  • Compatible with industrial lighting environments
  • IEC-61000-4-2 ESD 30kV (Air), 30kV (Contact)
  • ESD protection of data lines in accordance with IEC 61000-4-2 (IEC801-2)
  • Compatible with PWM frequencies up to 30 kHz


This series is designed for automotive applications.


pdf icon Automotive Electronics Applications Guide

This guide provides a summary of key circuit protection consideration factors, descriptions of the technologies Littelfuse offers, and product selection tables. It is designed to help you quickly find a protection solution appropriate to your application.

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