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RClamp1851ZA Datasheet Preview

RClamp1851ZA Datasheet

18V ESD Protection

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PROTECTION PRODUCTS - RailClamp®
Description
RClamp® TVS diodes are designed to protect sensitive
electronics from damage or latch-up due to ESD. They
are designed to replace multilayer varistors (MLVs) in
portable applications such as cell phones, notebook
computers, and other portable electronics. This device
offers desirable characteristics for board level protection
including fast response time, low operating and clamp-
ing voltage, and no device degradation.
RClamp®1851ZA is specifically designed for protection of
Near Field Communications (NFC) interfaces. It features
extremely good ESD protection characteristics includ-
ing a low typical dynamic resistance of 0.16 Ohms, low
peak ESD clamping voltage, and high ESD withstand
voltage (+/-17kV contact per IEC 61000-4-2). Low typi-
cal capacitance (0.35pF at VR=0V) means that harmon-
ic distortion the the RF signal is minimized. This device
is bidirectional and has a working voltage of 18V for use
on NFC resonator circuits without signal clipping.
RClamp1851ZA
Ultra Small RClamp®
1-Line, 18V ESD Protection
Features
‹‹ High ESD withstand Voltage: +/-17kV (Contact) and
+/- 20kV (Air) per IEC 61000-4-2
‹‹ Ultra-small package
‹‹ Protects one high speed data line
‹‹ Low ESD clamping voltage
‹‹ Working voltage: 18V
‹‹ Low capacitance: 0.35pF typical
‹‹ Low leakage current
‹‹ Extremely low dynamic resistance: 0.16 Ohms (Typ)
‹‹ Solid-state silicon-avalanche technology
Mechanical Characteristics
‹‹ SLP0603P2X3F package
‹‹ Pb-Free, Halogen Free, RoHS/WEEE Compliant
‹‹ Nominal Dimensions: 0.6 x 0.3 x 0.25 mm
‹‹ Lead Finish: NiAu
‹‹ Marking: Marking code
‹‹ Packaging: Tape and Reel
RClamp1851ZA is in a 2-pin SLP0603P2X3F package
measuring 0.6 x 0.3 mm with a nominal height of only
0.25mm. Leads are finished with NiAu. The small pack-
age gives the designer the flexibility to protect single
lines in applications where arrays are not practical. 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 tablet PC’s.
Applications
‹‹ Near Field Communication (NFC) lines
‹‹ RF signal lines
‹‹ Cellular Handsets
‹‹ Tablets
‹‹ FM Antenna
Package Dimensions
0.220
0.600
0.300
Schematic & Pin Configuration
1
0.355 BSC
0.160
0.250
4/15/2015
Nominal Dimensions in mm
2
SLP0603P2X3F (Bottom View)
1 www.semtech.com




Semtech

RClamp1851ZA Datasheet Preview

RClamp1851ZA Datasheet

18V ESD Protection

No Preview Available !

RClamp1851ZA
PROTECTION PRODUCTS
Absolute Maximum Ratings
Rating
Peak Pulse Current (tp = 8/20µs)
ESD per IEC 61000-4-2 (Air)(1)
ESD per IEC 61000-4-2 (Contact)(1)
Operating Temperature
Storage Temperature
Symbol
IPP
VESD
TJ
TSTG
Value
3
±20
±17
-40 to +85
-55 to +150
Electrical Characteristics (T=25OC unless otherwise specified)
Parameter
Symbol
Conditions
Min. Typ.
Units
A
kV
OC
OC
Max. Units
Reverse Stand-Off Voltage
Breakdown Voltage
Reverse Leakage Current
ESD Clamping Voltage2
VRWM
VBR
IR
VC
T = -40 to +85OC
IBR = 10µA
VRWM = 18V
tp =I0PP.2=/41A00ns
18
18.5 22.5 26.5
<1 50
5.5
V
V
nA
V
ESD Clamping Voltage2
VC
tp =IP0P .=2/1160A0ns
7.5 V
Dynamic Resistance2, 3
RDYN
tp = 0.2/100ns
0.16 Ohms
Junction Capacitance
CJ
VR = 0V; f = 1MHz
0.35 0.45
pF
Notes
1)Measured with a 40dB attenuator, 50 Ohm scope input impedance, 2GHz bandwidth. ESD gun return path connected to ESD ground plane.
2)Transmission Line Pulse Test (TLP) Settings: tp = 100ns, tr
3)Dynamic
4)Device is
resistance calculated from
electrically symmetrical
ITLP
=
4A
to
ITLP
=
16A
=
0.2ns,
ITLP
and
VTLP
averaging
window:
t1
=
70ns
to
t2
=
90ns.
2015 Semtech Corporation.
2
www.semtech.com


Part Number RClamp1851ZA
Description 18V ESD Protection
Maker Semtech
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