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Littelfuse Lighting Solutions

Littelfuse Lighting Solutions

Littelfuse is committed to supporting all facets of the LED lighting market with innovative solutions that not only meet regulatory standards but also increase equipment safety and reliability. To help protect end users, Littelfuse works closely with many LED driver IC suppliers to ensure their evaluation boards and reference designs comply with safety and surge immunity requirements. They also assist LED lighting power supply manufacturers in designing optimal protection schemes for their driver modules. At the OEM level they cooperate with luminaire and lamp manufacturers to ensure their products are optimally designed for robust surge immunity protection.

Littelfuse LSP Surge Protection Modules are used in surge protectors and are built with high-quality, dependable materials. The LSP05 and LSP10 are the industry's first series connected, 20kA capable indicating surge arrestors for outdoor lighting applications. LSP10 can provide up to 20kA protection module maximum lighting surge current and LSP05 provides up to 10kA. The LSP05GX is used in European outdoor and commercial LED lighting fixtures for transient overvoltage protection. The LSP product series facilitates surge immunity compliance to IEEE C62.41.2 Location Category C High Exposure, ANSI C136.2, and US Dept of Energy MSSLC Model Spec..

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PLED devices help protect the LED from surges induced by nearby lightning strikes and ESD events. In addition, PLEDs contain reverse current diodes that will protect the LED string if the power supply is connected with reverse polarity. PLED devices are typically connected across each LED in a string, but units are available to connect across two or even three LEDs. This reduces the cost of protection but causes more than one LED to go dark if one fails.

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The TMOV®25S Varistor Series, which is based on the UltraMOV™ 25S Series, was designed to address over-heating issues in MOVs due to a sustained abnormal over-voltage condition that can result in damage to MOV. Part number TMOV25SP320M specifically is used specificin the Lighting Industry. Littelfuse TMOV 25S Varistors were named the winner of the 2012 Chicago Innovation Awards.

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Littelfuse 1.5KE Series Diodes are designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. The 1500W axial leaded devices are available in both unidirectional and directional versions with reverse stand-off voltages ranging from 5.8V to 495V. Part numbers 1.5KE400A and 1.5KE440CA are specifically used in the Lighting Industry.

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Littelfuse 328 Series High Surge Withstanding Fuses are 300VAC-rated, 10kA surge withstanding, 6.3x32mm ceramic fuses. They are designed in accordance to UL248-14 Standard and are available in cartridge and axial-lead package options. These 21A fuses are ideal for applications such as commercial and outdoor LED luminaries, and outdoor electronics and electric equipment.

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