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PDF RClamp2431TQ Data sheet ( Hoja de datos )
| Número de pieza | RClamp2431TQ | |
| Descripción | Ultra-Low Capacitance 1-Line ESD protection | |
| Fabricantes | Semtech | |
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PROTECTION PRODUCTS - RailClamp®
Description
RailClamp® TVS diodes are specifically designed to
protect sensitive components which are connected to
high-speed data and transmission lines from overvolt-
age caused by ESD (electrostatic discharge), CDE
(cable discharge events), and EFT (electrical fast
transients).
The RClamp2431TQ has a typical capacitance of only
0.35pF. This allows it to be used on Wi-Fi, RFID, and
other circuits operating in excess of 3GHz without
signal attenuation. It may be used to meet the ESD
immunity requirements of IEC 61000-4-2.
The RClamp2431TQ is in a 2-pin SLP1006P2T package
measuring 1.0 x 0.6 x 0.4mm. 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
up to 24 volts. It gives the designer the flexibility to
protect single lines in applications where arrays are not
practical. The combination of small size, low capaci-
tance, and high ESD surge capability makes it ideal for
use in portable equipment such as cellular phones and
netbooks.
The RClamp2431TQ is qualified to AEC-Q100 Grade1
for use in Automotive environments.
RClamp2431TQ
Ultra-Low Capacitance
1-Line ESD protection
Features
Transient protection for data lines to
IEC 61000-4-2 (ESD)
IEC 61000-4-4 (EFT)
Ultra-small package (1.0 x 0.6 x 0.4mm)
Protects one data line or one I/O pair
Low capacitance: 0.35pF (Typical)
Low clamping voltage
24V operating voltage
Solid-state silicon-avalanche technology
Qualified to AEC-Q100 Grade1 for Automotive
Mechanical Characteristics
SLP1006P2T package
Molding compound flammability rating: UL 94V-0
Marking: Marking code
Packaging : Tape and Reel
Lead Finish: NiPdAu
Pb-Free, Halogen Free, RoHS/WEEE Compliant
Applications
Automobile Antenna
CAN Bus Ports
Cellular Handsets & Accessories
Wi-Fi Interfaces
FeliCa / RFID
Firewire
Serial ATA
Package Dimensions
Schematic & Pin Configuration
1.0
0.60
0.65
0.40
Maximum Dimensions (mm)
SLP1006P2T (Bottom View)
Revision 11/18/2011
1
www.semtech.com
1 page  
PROTECTION PRODUCTS
ApAplpicpaltiiocnastiIonfnosrmInatfioonrmation
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 Suppres-
sion of ESD.
Good circuit board layout is critical for the suppression
of ESD induced transients. The following guidelines are
recommended:
z Place the TVS near the input terminals or connec-
tors to restrict transient coupling.
z Minimize the path length between the TVS and the
protected line.
z Minimize all conductive loops including power and
ground loops.
z The ESD transient return path to ground should be
kept as short as possible.
z Never run critical signals near board edges.
z Use ground planes whenever possible.
RClamp2431TQ
Equivalent Circuit Diagram
1
2
© 2011 Semtech Corp.
5
www.semtech.com
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