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Data Centers

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Introduction to Data Centers

§  What is a data center? –  A facility that centralizes an organization’s IT operations and

equipment, and where it stores, manages, and disseminates its data.

FACILITY

Uninterruptible Power Supply (UPS), Environment Controls, Biometric Security

Servers, cables, racks Service Technicians, Security

SUPPORT INFRASTRUCTURE

“White Space” – usable area to house equipment

INFORMATION TECHNOLOGY EQUIPMENT OPERATIONS STAFF

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Data Center Market Trends

Source:

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Cloud Computing Driving Blade Server Growth

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Data Center Electrical Distribution

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)

Load (dual power supply)

13.2 KV Utility A

13.2 KV Utility B

480V/227V 208V/120V

norm

ally

ope

n tie

sw

itch

norm

ally

ope

n tie

sw

itch

norm

ally

ope

n tie

sw

itch

480V/227V 208V/120V

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Examples of HVDC Fuse Applications

Battery

AC/DC 3Φ AC 480V

DC 380V 12V fan

VR

VR CPU PSU

DC 380V

Rectifier

ICT Equipment (server, communication)

DC/DC

DC 380V

PSU

Lighting

DC/DC

PDU

•Data Centers •Telecom/Datacom Central Offices

•Battery output •PDU output •PSU input

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Blade – Dual redundant power input

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Littelfuse Portfolio for High Voltage DC Fuses

Fuse Type Through Hole / Cartridge Surface Mount

Footprint (mm) 4.65 x 8.9 5 x 20 6 x 32 10 x 38 10.5 x 4.5 12.1 x 4.5 250 Vdc 462 (0.5~5A) 400 Vdc 477 (0.5~16A) 450 Vdc 808 (2~5A) 977 (0.5~16A) 500 Vdc 505 (10~30A) KLK (0.3~30A) 600 Vdc 506 (15~20A) KLKD (0.1~30A) 485 (0.5~3.15A) 1000 Vdc 508 (0.315~1A) FLU (0.44~11A)

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Littelfuse EBU Fuse Solutions – Cartridge

Amp Ratings: 30, 40A Amp Ratings: 10, 12, 15, 20, 25, 30, 40A

Amp Ratings: 10, 12, 16, 20, 25, 30A

Amp Ratings: 15, 16, 20A Amp Ratings: 10, 12, 16A Amp Ratings: 10, 12.5, 15, 16, 20A

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Littelfuse EBU Fuse Solutions – Surface Mount

Amp Ratings: 7, 10, 15A Amp Ratings: 15, 20, 25, 30A Amp Ratings: 10, 12, 15

Amp Ratings: 1 – 3.15A

Amp Ratings: 7, 10A

Amp Ratings: 10, 12, 15, 20A

Amp Ratings: 7, 10, 12A

Amp Ratings: 10, 15, 20A

Amp Ratings: 7, 8, 10A

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476 Series Key Features and Benefits

Key Features •  250Vac rated surface mount fuse

•  High Interrupt Rating 10kA@86VDC for 6.3A ~15A ratings

•  More energy in a miniature 2410 footprint

•  High operating temperature at 125oC

•  Surge immunity capability –  Global: IEC61000-4-5 2 ed. (3A

and above ampere rating only)

Benefits

•  SMT is the trend in compact, space-limited applications; it also enables higher speed and yield in manufacturing processes

•  Suitable for uninterrupted power supply and other power supply applications where such high interrupt rating is required

•  Ensures superior protection while occupies less board space

•  Ideal for high temperature applications such as LED lighting

•  Withstands surge from AC power line and keep LED light bulb/tube working continuously

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476 Series Electrical Specifications

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Target Customers