Low Capacitance TVS Diode Array for ESD Protection
UESD6V8L4A SC70-5/SC88A/SOT353
UESD6V8L4B SC89-5/SOT553/SOT665
UESD6V8L5A6 SC70-6/SC88/SOT363
UESD6V8L5B SC89-6/SOT563/SOT666
General Description
The UESD6V8Lxx of TVS diode array is designed to protect sensitive electronics from damage
or latch-up due to ESD, for use in applications where board space is at a premium. It is
unidirectional device and may be used on lines where the signal polarities are above ground.
UESD6V8L4A and UESD6V8L4B protect up to four lines while UESD6V8L5A6 and
UESD6V8L5B will protect up to five lines. TVS diodes are solid-state devices feature large
cross-sectional area junctions for conducting high transient currents, specifically for transient
suppression. It offers desirable characteristics for board level protection including fast response
time, low operating, low clamping voltage, and no device degradation. The UESD6V8Lxx may be
used to meet the immunity requirements of IEC 61000-4-2, level 4. The small package makes
them ideal for use in portable electronics such as cell phones, PDA’s, notebook computers, and
digital cameras. The UESD6V8Lxx is fabricated using dual diffusion technology, offer low
junction capacitance (20pF), which is required in high speed signal protection application.
.
Applications
Features
Transient Protection for Data Lines to IEC
61000-4-2 (ESD) ±15kV (Air), ±8kV
(Contact)
Ultra-Small Package
Working Voltages: 5V
Low Leakage Current
Low Clamping Voltage
Solid-State Silicon Avalanche Technology
Cellular Handsets & Accessories
Cordless Phones
Personal Digital Assistants (PDA’s)
Notebooks & Handhelds
Portable Instrumentation
Digital Cameras
Peripherals
MP3 Players
Ordering Information
Working
Voltage
Marking
Code
Part Number
Packaging Type
Channel
Shipping Qty
UESD6V8L4A
UESD6V8L4B
UESD6V8L5A6
UESD6V8L5B
SC70-5/SC88A/SOT353
SC89-5/SOT553/SOT665
SC70-6/SC88/SOT363
SC89-6/SOT563/SOT666
UKA
4
USB
U6A
UB
3000pcs/7Inch
Tape & Reel
5.0V
5
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http://www.union-ic.com Rev.03 Nov.2014 1/9