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UCLAMP1201H PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 UCLAMP1201H
기능 1-Line ESD Protection
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UCLAMP1201H 데이터시트, 핀배열, 회로
PROTECTION PRODUCTS - MicroClampTM
Description
The µClampTM series of TVS arrays are designed to protect
sensitive electronics from damage or latch-up due to ESD.
It is designed to replace multilayer varistors (MLVs) in por-
table applications such as cell phones, notebook comput-
ers, and PDAs. It features large cross-sectional area junc-
tions for conducting high transient currents. It offers
superior electrical characteristics such as lower clamp-
ing voltage and no device degradation when compared
to MLVs. They offer desirable characteristics for board
level protection including fast response time, low oper-
ating and clamping voltage, and no device degradation.
The µClampTM1201H is in a 2-pin, RoHS compliant,
SOD-523 package. The leads are finished with lead-
free matte tin. Each device will protect one line oper-
ating at 12 volts. It gives the designer the flexibility to
protect single lines in applications where arrays are not
practical. They may be used to meet the ESD immunity
requirements of IEC 61000-4-2, Level 4 (15kV air, 8kV
contact discharge). The combination of small size and
high ESD surge capability makes them ideal for use in
portable applications such as cellular phones, digital
cameras, and MP3 players.
uClamp1201H
µClampTM
1-Line EwwSwD.DatPaSrheoett4eU.ccotmion
Features
‹ 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)
‹ Ultra-small SOD-523 package (1.7 x 0.9 x 0.7mm)
‹ Protects one I/O or power line
‹ Low clamping voltage
‹ Working voltage: 12V
‹ Low leakage current
‹ Solid-state silicon-avalanche technology
Mechanical Characteristics
‹ EIAJ SOD-523 package
‹ Molding compound flammability rating: UL 94V-0
‹ Marking: Marking code, cathode band
‹ Packaging: Tape and Reel per EIA 481
‹ Lead Finish: Matte tin
‹ RoHS Compliant
Applications
‹ Cellular Handsets & Accessories
‹ Personal Digital Assistants (PDAs)
‹ Notebooks & Handhelds
‹ Portable Instrumentation
‹ Digital Cameras
‹ Peripherals
‹ MP3 Players
Dimensions
Schematic & PIN Configuration
1.70
0.35 1.30
0.9
0.70
Maximum Dimensions (mm)
Revision 03/08/2005
1
SOD-523 (Top View)
www.semtech.com




UCLAMP1201H pdf, 반도체, 판매, 대치품
PROTECTION PRODUCTS
Applications Information
Device Connection Options
These TVS diodes are designed to protect one data,
I/O, or power supply line. The device is unidirectional
and may be used on lines where the signal polarity is
above ground. The cathode band should be placed
towards the line that is to be protected.
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.
Matte Tin Lead Finish
Matte tin has become the industry standard lead-free
replacement for SnPb lead finishes. A matte tin finish
is composed of 100% tin solder with large grains.
Since the solder volume on the leads is small com-
pared to the solder paste volume that is placed on the
land pattern of the PCB, the reflow profile will be
determined by the requirements of the solder paste.
Therefore, these devices are compatible with both
lead-free and SnPb assembly techniques. In addition,
unlike other lead-free compositions, matte tin does not
have any added alloys that can cause degradation of
the solder joint.
uClamp1201H
www.DataSheet4U.com
Circuit Diagram
2005 Semtech Corp.
4
www.semtech.com

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UCLAMP1201H 전자부품, 판매, 대치품
PROTECTION PRODUCTS
Marking Code
2H
Tape and Reel Specification
uClamp1201H
www.DataSheet4U.com
Ordering Information
Part Number
Working Device Qty per Reel
Voltage Marking Reel Size
uClamp1201H.TCT 12V
2H 3,000 7 Inch
Note: Devices are lead-free
MicroClamp, uClamp and µClamp are marks of Semtech
Corporation
Tape Specifications
Contact Information
Device Orientation in Tape
Semtech Corporation
Protection Products Division
200 Flynn Rd., Camarillo, CA 93012
Phone: (805)498-2111 FAX (805)498-3804
2005 Semtech Corp.
7
www.semtech.com

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부품번호상세설명 및 기능제조사
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1-Line ESD Protection

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