Led Design Guide Page 2 LED Design Guide

Specifications 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 littelfuse.com for more information. 2015 Littelfuse, Inc. LED Light-Emitting Diode (LED) Design Guide Table of Contents Page Introduction 3-4 Safety and Reliability of LED Bulbs 5-7 Surge Immunity Requirements for Consumer LED Lighting/ Retrofit Lamps 8-10 Part Selection Matrix for LED Lamp Protection 11 LED Lighting Compliance with Global Standards 12-15 Part Selection Guide 16-17 Design Considerations in MOV Selection 18-19 Surge Protection Modules and MOV Coordination 20-21 Protecting Against Temporary Overvoltage 22 Design Considerations in Fuse Selection to Withstand Surges 23 Design Considerations for TVS Diodes 24-25 Design Considerations for PLED Protectors 26-28 Potential Problems with Alternative LED Lamp Overcurrent Protection Technologies 29-33 Conclusions 34 References 34 Legal Disclaimers 35

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