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Littelfuse PLEDs Support Replacing Fluorescent Lighting Tubes with LED Strings or Tubes Without Scrapping the Ballast Drivers

11 April 2018

Littelfuse Inc. has introduced a series of PLEDs with an ultra-low holding current (just 21 mA) that makes theSource: Littelfuse, Inc. Source: Littelfuse, Inc. ballast drivers widely used in the output of fluorescent tubes compatible with modern replacement LED strings or tubes. This eliminates the need to scrap otherwise still-working ballasts when replacing fluorescent lighting tubes with LED strings or tubes.

The PLED Ultra-low Holding Current Series also ensures that the ballast will be able to activate the LED string or tube; this is particularly important for ballasts that require the ability to detect high-voltage outputs during ignition.

Typical applications for Ultra-low Holding Current Series PLEDs include replacing both indoor and outdoor fluorescent lighting tubes with LED lighting tubes or strings.

Ultra-low Holding Current Series PLEDs offer these key benefits:

  • The ultra-low holding current allows these PLEDs to be used in LED strings with different power ratings without causing flickering.
  • The small footprint, DO-214AA package provides layout flexibility and is ideal for use in dense board applications.
  • The low threshold voltage (2 V maximum) means less switching loss.

Availability

Ultra-low Holding Current Series PLEDs are available in DO-214AA packages in tape and reel format in quantities of 2,500.

To contact the author of this article, email engineering360editors@ieeeglobalspec.com


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