WIXLIB

Data Centers1

Introduction to Data Centers§ What is a data center?–A facility that centralizes an organization’s IT operations andequipment, and where it stores, manages, and disseminates itsdata.SUPPORT INFRASTRUCTUREFACILITY“White Space” – usable area to house equipmentUninterruptible Power Supply (UPS),Environment Controls, Biometric SecurityINFORMATION TECHNOLOGY EQUIPMENTServers, cables, racksPROTECTOPERATIONS STAFF CONTROL SENSEConfidential andProprietary to Littelfuse.SecurityLittelfuse, Inc. 2015ServiceTechnicians,2

Data Center Market TrendsSource:PROTECT CONTROL SENSEConfidential and Proprietary to Littelfuse. Littelfuse, Inc. 20153

Cloud Computing Driving Blade Server GrowthPROTECT CONTROL SENSEConfidential and Proprietary to Littelfuse. Littelfuse, Inc. 20154

Data Center Electrical DistributionTIA-942 Data Center Standard, Tier IV, power distribution example480V/227V13.2 KVUtility BGeneratorSPDFuelSPDATSBatteryPDUSTSSPD Type PS480V/227VHigh-V AC FuseDC Gnd FaultRelayBatterynormally open tie switchATSGenerator208V/120VUPSnormally open tie switchnormally open tie switch13.2 KVUtility A208V/120VSPD Type IIIPG FuseTMOV25S High-V AC/DC FusePROTECT CONTROL SENSENanoCCFTVSConfidential and Proprietary to Littelfuse. Littelfuse, Inc. 20155

Examples of HVDC Fuse Applications Data Centers Telecom/Datacom Central OfficesICT Equipment (server,communication)DC 380VRectifierDC/DC12VPSU3Φ AC 480VAC/DCDC 380VBatteryfanVRCPUVRPDULighting Battery output PDU output PSU inputDC 380VDC/DCPSUPROTECT CONTROL SENSEConfidential and Proprietary to Littelfuse. Littelfuse, Inc. 20156

Blade – Dual redundant power inputPROTECT CONTROL SENSEConfidential and Proprietary to Littelfuse. Littelfuse, Inc. 20157

Littelfuse Portfolio for High Voltage DC FusesFuse TypeFootprint (mm)250 Vdc400 Vdc450 Vdc500 Vdc600 Vdc1000 VdcThrough Hole / Cartridge4.65 x 8.95 x 20808 (2 5A)477 (0.5 16A)977 (0.5 16A)Surface Mount6 x 3210 x 38505 (10 30A)506 (15 20A)508 (0.315 1A)KLK (0.3 30A)KLKD (0.1 30A)FLU (0.44 11A)PROTECT CONTROL SENSE10.5 x 4.5462 (0.5 5A)12.1 x 4.5485 (0.5 3.15A)Confidential and Proprietary to Littelfuse. Littelfuse, Inc. 20158

Littelfuse EBU Fuse Solutions – CartridgeAmp Ratings: 30, 40AAmp Ratings: 15, 16, 20AAmp Ratings: 10, 12, 15, 20, 25,30, 40AAmp Ratings: 10, 12.5, 15, 16, 20APROTECT CONTROL SENSEAmp Ratings: 10, 12, 16, 20,25, 30AAmp Ratings: 10, 12, 16AConfidential and Proprietary to Littelfuse. Littelfuse, Inc. 20159

Littelfuse EBU Fuse Solutions – Surface MountAmp Ratings: 7, 10, 15AAmp Ratings: 15, 20, 25, 30AAmp Ratings: 10, 12, 15Amp Ratings: 1 – 3.15AAmp Ratings: 10, 15, 20AAmp Ratings: 10, 12, 15, 20AAmp Ratings: 7, 10, 12AAmp Ratings: 7, 10AAmp Ratings: 7, 8, 10APROTECT CONTROL SENSEConfidential and Proprietary to Littelfuse. Littelfuse, Inc. 201510

476 Series Key Features and BenefitsKey FeaturesBenefits 250Vac rated surface mount fuse SMT is the trend in compact, space-limitedapplications; it also enables higher speedand yield in manufacturing processes High Interrupt Rating 10kA@86VDCfor 6.3A 15A ratings Suitable for uninterrupted power supplyand other power supply applications wheresuch high interrupt rating is required More energy in a miniature 2410footprint Ensures superior protection while occupiesless board space High operating temperature at 125oC Ideal for high temperature applications suchas LED lighting Surge immunity capability– Global: IEC61000-4-5 2 ed. (3Aand above ampere rating only) Withstands surge from AC power line andkeep LED light bulb/tube workingcontinuouslyPROTECT CONTROL SENSEConfidential and Proprietary to Littelfuse. Littelfuse, Inc. 201511

476 Series Electrical SpecificationsPROTECT CONTROL SENSEConfidential and Proprietary to Littelfuse. Littelfuse, Inc. 201512

Target CustomersPROTECT CONTROL SENSEConfidential and Proprietary to Littelfuse. Littelfuse, Inc. 201513

TIA-942 Data Center Standard, Tier IV, power distribution example SPD Type II SPD Type III High-V AC Fuse DC Gnd Fault Relay TMOV25S High-V AC/DC Fuse PG Fuse Nano CCF TVS ATS Generator Fuel Generator SPD ATS SPD UPS Battery UPS Battery PDU PDU STS Load (single power supply) Loa