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DESCRIPTION

The SMxx Series is designed for applications

requiring transient overvoltage protection

capability. They are intended for use in voltage and

ESD sensitive equipment such as computers,

printers, business machines, communication

systems, medical equipment and other

applications. These devices are ideal for situations

where board space is at a premium.

This series has been specifically designed to

protect sensitive components which are connected

to power 、data and transmission lines from

overvoltage caused by ESD(electrostatic

discharge), CDE (Cable Discharge Events),and

EFT (electrical fast transients).

FEATURES

IEC61000-4-2 (ESD) ±15kV (air), ±8kV

(contact)

IEC61000-4-4 (EFT) 40A (5/50ηs)

350 Watts Peak Pulse Power per (tp=8/20μs)

Protects one bidirectional line or two

unidirectional lines

Low clamping voltage

Working voltages : 3.3V to 36V

Low leakage current

APPLICATIONS

Cell Phone Handsets and Accessories

Microprocessor based equipment

Personal Digital Assistants (PDA’s)

Notebooks, Desktops, and Servers

Portable Instrumentation

Networking and Telecom

Serial and Parallel Ports.

Peripherals