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SMF3.3 Datasheet, PDF (1/8 Pages) Semtech Corporation – 3.3 Volt TVS Array For ESD and Latch-Up Protection | |||
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SMF3.3
3.3 Volt TVS Array
For ESD and Latch-Up Protection
PROTECTION PRODUCTS
Description
The SMF series of TVS arrays are designed to protect
sensitive electronics from damage or latch-up due to
ESD, lightning, and other voltage-induced transient
events. Each device will protect up to four lines operat-
ing at 3.3 volts.
The SMF3.3 is a solid-state devices designed specifi-
cally for transient suppression. It is constructed using
Semtechâs proprietary EPD process technology. The
EPD process provides low standoff voltages with
significant reductions in leakage currents and capaci-
tance over traditional pn junction processes. They offer
desirable characteristics for board level protection
including fast response time, low clamping voltage and
no device degradation.
The SMF3.3 may be used to meet the immunity re-
quirements of IEC 61000-4-2, level 4 (±15kV air, ±8kV
contact discharge). The small SC70-5L package
makes them ideal for use in portable electronics such
as cell phones, PDAs, and notebook computers.
Features
 ESD protection for data lines to
IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)
IEC 61000-4-4 (EFT) 40A (5/50ns)
 Small package for use in portable electronics
 Protects four I/O lines
 Working voltage: 3.3V
 Low leakage current
 Low operating and clamping voltages
 Solid-state EPD TVS technology
Mechanical Characteristics
 EIAJ SC70-5L package
 Molding compound flammability rating: UL 94V-0
 Marking : Marking Code
 Packaging : Tape and Reel
Applications
 Cellular Handsets and Accessories
 Cordless Phones
 Personal Digital Assistants (PDAs)
 Notebooks and Handhelds
 Portable Instrumentation
 Digital Cameras
 Peripherals
 MP3 Players
Circuit Diagram
1
3
4
5
2
Revision 01/15/08
Schematic & PIN Configuration
1
5
2
3
4
SC70-5L (Top View)
1
www.semtech.com
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