Littelfuse Inc. has introduced a series of PLEDs with an ultra-low holding current (just 21 mA) that makes theSource: 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.