Littelfuse LC03-3.3 Series User Manual download pdf

Speciﬁcations are subject to change without notice.

Revised: 04/24/13

TVS Diode Arrays (SPA

Diodes)

Lightning Surge Protection - LC03-3.3 Series

Description

Features

Applications

This LC03-3.3 series provides overvoltage protection for

applications such as 10/100/1000 BaseT Ethernet, and

T3/E3 interfaces. This new protector combines the TVS

diode element with a diode rectiﬁer bridge to provide both

longitudinal and differential protection in one package.

This design results in a capacitive loading characteristic

that is log-linear with respect to the signal voltage across

the device. This reduces intermodulation (IM) distortion

caused by a typical solid-state protection solution. The

application schematic provides the connection information

and the LC03-3.3 is rated for GR-1089, intra-building

transient immunity requirements for telecommunication

installations.

Pinout

Functional Block Diagram

• Lightning Protection,

IEC61000-4-5, 150A

=8/20µs)

• EFT, IEC61000-4-4, 40A

=5/50ns)

• Low insertion loss, log-

linear capacitance

• Low clamping voltage

• SOIC-8 surface mount

package (JEDEC MS-012)

• Combined longitudinal

and metallic protection

• Clamping speed of

nanoseconds

• UL 94V-0 epoxy molding

• RoHS compliant

• T1/E1 Line cards

• T3/E3 and DS3 Interfaces

• STS-1 Interfaces

• 10/100/1000 BaseT

Ethernet

SOIC-8 (Top View)

Pin 1 and 8

Pin 4 and 5

Pin 2, 3, 6,

and 7

Line out

Line in

Life Support Note:

Not Intended for Use in Life Support or Life Saving Applications

The products shown herein are not designed for use in life sustaining or life saving

applications unless otherwise expressly indicated.

Application Example

This schematic shows a high-speed data interface

protection solution. The LC03-3.3BTG is compatible with

the intra-building surge requirements of Telcordia’s GR-

1089-CORE, and the Basic Level Recommendations of

ITU K.20 and K.21. The TeleLink fuse provides overcurrent

protection for the long term 50/60 Hz power fault events.

TeleLink (0461 1.25) LC03-3.3BTG

to chipset

(Ethernet PHY,

T3/E3 PHY

, etc.)

RoHS

GREEN

LC03-3.3 Series 3.3V 150A Diode Array

Additional Information

Datasheet

Samples

Resources

1 2 3 4

Summary of Contents

Page 1 - Resources

Page 2 - Diodes)

Page 3 - Soldering Parameters

Page 4

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Littelfuse LC03-3.3 Series User Manual

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