Datasheet > UCLAMP2804L

UCLAMP2804L

更新时间： 2024-11-04 07:20:27

品牌	Logo	应用领域
商升特 - SEMTECH		以太网
页数	文件大小	规格书
8页	277K
描述
Lightning and ESD Protection for Gigabit Ethernet Interfaces

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中文翻译

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UCLAMP2804L 数据手册

uClamp2804L

Lightning and ESD Protection

for Gigabit Ethernet Interfaces

PROTECTION PRODUCTS - MicroClamp^®

Features

Description

The μClamp^®2804L TVS diode is specifically designed

to meet the performance requirements of Gigabit

Ethernet interfaces. They are designed to protect

sensitive PHY chips from damage or upset due to

electrostatic discharge (ESD), lightning, electrical fast

transients (EFT), and cable discharge events (CDE).

High ESD withstand Voltage: +/-30kV (Contact/Air)

per IEC 61000-4-2

Able to withstand over 1000 ESD strikes per IEC

61000-4-2 Level 4

Flow-through design simplifies layout

Protects two line pairs

The μClamp2804L is constructed using Semtech’s low

voltage EPD process technology. The EPD process

provides low operating voltages with significant reduc-

tions in leakage current and capacitance over silicon-

avalanche diode processes. The device features low

variation in capacitance over bias for stable operation

on GbE lines. This means the μClamp2804L will

introduce zero traffic frame errors on GbE interfaces

up to a PHY temperature of 100^oC (100M Cat 5/5e

Cable). The μClamp2804L also features high surge

capability and can be used to replace existing SLVU2.8-

4 devices in applications where the device is placed on

the PHY side of the magnetics. In this configuration,

the device can withstand intra-building lightning surges

per Telcordia GR-1089.

Low reverse current: 10nA typical (VR=2.8V)

Low variation in capacitance vs. bias voltage:

1.3pF Typical (VR = 0 to 2.8V)

Working voltage: 2.8V

Solid-state silicon-avalanche technology

Mechanical Characteristics

JEDEC SO-8 package

Pb-Free, Halogen Free, RoHS/WEEE Compliant

Lead Finish: Matte tin

Molding compound flammability rating: UL 94V-0

Marking : Marking code, date code

Packaging : Tape and Reel

The μClamp2804L is in a 8-pin SOIC package. The

leads are finished with lead-free matte tin. The combi-

nation of low clamping voltage, high surge capability,

and low loading capacitance makes the uClamp2804L

an ideal solution for protecting GbE systems to the

lightning immunity requirements of GR-1089.

Applications

10/100/1000 Ethernet

Integrated magnetics/RJ-45 connectors

LAN/WAN Equipment

Security Cameras

Industrial Controls

Notebooks & Desktop Computers

Functional Circuit Diagram

Package Configuration

1.27

6.00

4.00

5.00

1.75

SO-8 (Max Dimensions in mm)

www.semtech.com

Revision 7/19/2011

12 3 4 5 6 7 8

中文翻译

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