Light-Emitting Diode (LED) Design Guide

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Light-Emitting Diode (LED) Design GuideSpecifications descriptions and illustrative material in this literature are as accurate as known at the time of publication, but are subject to changes without notice. Visit for more information. 2016 Littelfuse, Light-Emitting Diode (LED) Design GuideTable of ContentsPageIntroduction3-4Safety and Reliability of LED Bulbs5-7Surge Immunity Requirements for Consumer LED Lighting/Retrofit Lamps8-10Part Selection Matrix for LED lamp Protection11LED Lighting Compliance with Global Standards12-15Part Selection Guide16-17Design Considerations in MOV Selection18-19Surge Protection Modules and MOV Coordination20-21Protecting Against Temporary Overvoltage22Design Considerations in Fuse Selection to Withstand Surges23Design Considerations for TVS Diodes24-25Design Considerations for PLED Protectors26-28Potential Problems with Alternative LED lamp Overcurrent Protection Technologies29-33Conclusions34References 34Legal Disclaimers35 2016 Littelfuse LED Lighting Design Lighting Design GuideIntroductionThe first led lamps were introduced in the late 1990s.

of LED lamp and luminaire installations. As most LED lamps are specified to last around 50,000 hours versus 1000 hours for incandescent and 8,000 hours for CFLs, fewer maintenance staff hours are required to replace lamps in large facilities. Further, reduction in CO 2

  Light, Lamp, Diode, Emitting, Led lamps, Light emitting diodes