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PDF RClamp1521PQ Data sheet ( Hoja de datos )
| Número de pieza | RClamp1521PQ | |
| Descripción | Ultra-Low Capacitance 1-Line ESD Protection | |
| Fabricantes | Semtech | |
| Logotipo |  |
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PROTECTION PRODUCTS - RailClamp®
Description
The RailClamp family is a series of ultra low capacitance
Transient Voltage Suppressors (TVS) designed to protect
high speed data interfaces. This series has been specifi-
cally designed to protect sensitive components which
are connected to high-speed data and transmission
lines from overvoltage caused by ESD (electrostatic dis-
charge), CDE (Cable Discharge Events), and EFT (electri-
cal fast transients).
The RClamp®1521PQ has a maximum capacitance of
only 0.5pF. This allows it to be used on circuits operat-
ing in excess of 3GHz without signal attenuation. They
may be used to meet the ESD immunity requirements of
IEC 61000-4-2, Level 4 (±15kV air, ±8kV contact dis-
charge).
The RClamp1521PQ is in a 2-pin, RoHS/WEEE compli-
ant, SLP1006P2 package measuring 1.0 x 0.6 x 0.5mm.
The leads are spaced at a pitch of 0.65mm and feature
a lead-free finish. Each device will protect one high-
speed line operating at 15 volts. It gives the designer
the flexibility to protect single lines in applications where
arrays are not practical. The combination of small size,
low capacitance, and high ESD surge capability makes
them ideal for use in applications such as cellular
phones and high-power USB.
The RClamp1521PQ is qualified to AEC-Q100 Grade 1
for Automotive use.
RClamp®1521PQ
Ultra-Low Capacitance
1-Line ESD Protection
Features
u Transient protection for data lines to
IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)
IEC 61000-4-4 (EFT) 40A (tp = 5/50ns)
Cable Discharge Event (CDE)
u Ultra-small package (1.0 x 0.6 x 0.5mm).
u Protects one data or I/O line.
u Low capacitance: 0.3pF typical.
u Low clamping voltage.
u Low operating voltage: 15V.
u Solid-state silicon-avalanche technology.
u AEC-Q100 Grade1 Qualified.
Mechanical Characteristics
u SLP1006P2 package.
u Molding compound flammability rating: UL 94V-0.
u Marking: Marking code.
u Packaging : Tape and Reel.
u Lead Finish: NiPdAu.
u RoHS/WEEE Compliant
Applications
u Cellular Handsets & Accessories.
u USB Ports.
u PCI Express.
u Serial ATA.
u Automotive Applications.
Package Dimensions
Schematic & Pin Configuration
#7
7/
7/-
Revised 3/15/2013
7-
#1%-&-2%2
1
#1%-&-2#2
www.semtech.com
1 page  
PROTECTION PRODUCTS
Applications Information
Device Connection Options
These low capacitance TVS diodes are designed to
provide common mode protection for one high-speed line
or differential protection for one line pair. The device is
bidirectional and may be used on lines where the signal
polarity is positive and negative.
Circuit Board Layout Recommendations for
Suppression of ESD.
Good circuit board layout is critical for the suppression
of ESD induced transients. The following guidelines are
recommended:
u Place the TVS near the input terminals or connectors
to restrict transient coupling.
u Minimize the path length between the TVS and the
protected line.
u Minimize all conductive loops including power and
ground loops.
u The ESD transient return path to ground should be
kept as short as possible.
u Never run critical signals near board edges.
u Use ground planes whenever possible.
RClamp1521PQ
Equivalent Circuit Diagram
#1%-&-2&2
2013 Semtech Corporation.
5
www.semtech.com
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet RClamp1521PQ.PDF ] | |
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