UCLAMP3301D Datasheet, PDF (1/6 Pages) Semtech Corporation – Low Voltage μClampTM for ESD and CDE Protection

PROTECTION PRODUCTS - MicroClamp^TM
Description
The µClamp^TM series of Transient Voltage Suppressors
(TVS) are designed to replace multilayer varistors
(MLVs) in portable applications such as cell phones,
notebook computers, and PDAs. They offer superior
electrical characteristics such as lower clamping
voltage and no device degradation when compared to
MLVs. They are are designed to protect sensitive
semiconductor components from damage or upset due
to electrostatic discharge (ESD), lightning, electrical
fast transients (EFT), and cable discharge events
(CDE).
The µClamp^TM3301D is constructed using Semtech’s
proprietary EPD process technology. The EPD process
provides low standoff voltages with significant reduc-
tions in leakage currents and capacitance over silicon-
avalanche diode processes. They feature a true
operating voltage of 3.3 volts for superior protection
when compared to traditional pn junction devices.
The µClamp3301D is in a SOD-323 package and will
protect one unidirectional line. They give the designer
the flexibility to protect one line in applications where
arrays are not practical.
They may be used to meet the ESD immunity require-
ments of IEC 61000-4-2, Level 4 (±15kV air, ±8kV
contact discharge).
uClamp3301D
Low Voltage µClamp^TM
for ESD and CDE Protection
Features
‹ 100 Watts peak pulse power (tp = 8/20µs)
‹ Transient protection for data lines to
IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)
IEC 61000-4-4 (EFT) 40A (tp = 5/50ns)
IEC 61000-4-5 (Lightning) 10A (tp = 8/20µs)
‹ Small package for use in portable electronics
‹ Suitable replacement for MLVs in ESD protection
applications
‹ Protects one line
‹ Low clamping voltage
‹ Working voltages: 3.3V
‹ Low leakage current
‹ Solid-state silicon-avalanche technology
Mechanical Characteristics
‹ EIAJ SOD-323 package
‹ Molding compound flammability rating: UL 94V-0
‹ Marking: Marking code, cathode band
‹ Packaging: Tape and Reel
‹ Lead Finish: Matte tin
‹ RoHS/WEEE Compliant
Applications
‹ Cell Phone Handsets and Accessories
‹ Laser Diode Protection
‹ Notebooks, Desktops, & Servers
‹ Portable Instrumentation
‹ Analog Inputs
Equivalent Circuit Diagram
Schematic & PIN Configuration
Revision 01/16/2008
SOD-323 (Top View)
1
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