SRDA70-4.TB SEMTECH [Semtech Corporation], SRDA70-4.TB Datasheet

SRDA70-4.TB

Manufacturer Part Number

SRDA70-4.TB

Description

Manufacturer

SEMTECH [Semtech Corporation]

Datasheet

1.SRDA70-4.TB.pdf (7 pages)

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Revision 08/15/06

PROTECTION PRODUCTS

RailClamps are surge rated diode arrays designed to

protect high speed data interfaces. The SRDA70-4 has

been specifically designed to protect sensitive compo-

nents which are connected to data and transmission

lines from over-voltages caused by electrostatic dis-

charge (ESD), electrical fast transients (EFT), and

lightning.

The unique design of the SRDA70-4 integrates eight

surge rated, low capacitance steering diodes in a low

profile SO-8 package. During transient conditions, the

steering diodes direct the transient to either the

positive side of the power supply line or to ground. The

SRDA70-4 may be used as a stand alone device or in

conjunction with TVS diodes for enhanced protection.

The low capacitance array configuration allows the user

to protect four high speed data or I/O lines. The low

inductance construction minimizes voltage overshoot

during high current surges.

Description

Circuit Diagram

REF 1

I/O 1

I/O 2

REF 2

I/O 3

I/O 4

Low Capacitance TVS Diode Array

Features

Mechanical Characteristics

Applications

Schematic and PIN Configuration

REF 1

Transient protection for high speed data lines to

IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)

IEC 61000-4-4 (EFT) 40A (5/50ns)

IEC 61000-4-5 (Lightning) 1kV, 24A (8/20µs)

Array of surge rated diodes

Protects four I/O lines

Low capacitance for high-speed interfaces

High surge capability

Low forward voltage characteristics

Solid-state silicon avalanche technology

JEDEC SO-8 package

UL 497B listed

Molding compound flammability rating: UL 94V-0

Marking : Part number, date code, logo

Packaging : Tube or Tape and Reel per EIA 481

RoHS/WEEE Compliant

Latch-Up Protection

Microcontroller Input Protection

Token Ring

Video Line Protection

Set Top Box I/O

LAN/WAN Equipment

I/O 1

I/O 2

C Bus Protection

SO-8 (Top View)

SRDA70-4

RailClamp

www.semtech.com

REF 2

I/O 4

I/O 3

REF 2

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