rclamp0502b Semtech Corporation, rclamp0502b Datasheet

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rclamp0502b

Manufacturer Part Number
rclamp0502b
Description
Ultra-low Capacitance Tvs For Esd And Cde Protection
Manufacturer
Semtech Corporation
Datasheet

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RailClamps are ultra low capacitance TVS arrays
designed to protect high speed data interfaces. This
series has been specifically designed to protect sensi-
tive components which are connected to high-speed
data and transmission lines from overvoltage caused
by ESD (electrostatic discharge), CDE (Cable Discharge
Events), and EFT (electrical fast transients).
The RClamp
0.50pF (pin 1 to 2). This means it can be used on
circuits operating 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 discharge). Each device can
be configured to protect 1 bidirectional line or two
unidirectional lines.
These devices are in a small SC-75 (SOT-523) package
and feature a lead-free, matte tin finish. They are com-
patible with both lead free and SnPb assembly tech-
niques. They are designed for use in applications where
board space is at a premium. The combination of small
size, low capacitance, and high level of ESD protection
makes them a flexible solution for applications such as
HDMI, MDDI, antenna circuits, Automatic Test Equipment,
USB 2.0, and Infiniband circuits.
Revision 04/05/2005
PROTECTION PRODUCTS - RailClamp
Description
Dimensions
TM
0.75
0502B has a typical capacitance of only
Nominal Dimensions (mm)
1
3
1.60
1.00
BSC
2
0.50 BSC
0.80
1.60
1
Features
Mechanical Characteristics
Applications
Schematic & PIN Configuration
Transient protection for high-speed data lines to
IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)
IEC 61000-4-4 (EFT) 40A (5/50ns)
Designed to replace polymer TVS
Protects up to two I/O lines
Ultra-Low capacitance (<1pF)
No insertion loss to >3.0GHz
Low profile (<1mm)
Low leakage current and clamping voltage
Low operating voltage: 5.0V
Solid-state silicon-avalanche technology
SC-75 (SOT-523) package
Lead Finish: Matte Tin
RoHS/WEEE Compliant
Molding compound flammability rating: UL 94V-0
Marking: P5
Packaging: Tape and Reel per EIA 481
High-Definition Multimedia Interface (HDMI)
Mobile Display Digital Interface (MDDI)
RF/Antenna Circuits
USB 2.0 & Firewire Ports
GaAs Photodetector Protection
HBT Power Amp Protection
Infiniband Transceiver Protection
for ESD and CDE Protection
Ultra-Low Capacitance TVS
SC-75 3L (Top View)
>3.0GHz
>3.0GHz
>3.0GHz
>3.0GHz
RClamp0502B
www.semtech.com

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rclamp0502b Summary of contents

Page 1

... Mobile Display Digital Interface (MDDI) RF/Antenna Circuits USB 2.0 & Firewire Ports GaAs Photodetector Protection HBT Power Amp Protection Infiniband Transceiver Protection Schematic & PIN Configuration 1.60 0.80 1 RClamp0502B Ultra-Low Capacitance TVS for ESD and CDE Protection >3.0GHz >3.0GHz >3.0GHz >3.0GHz SC-75 3L (Top View) www.semtech.com ...

Page 2

... RClamp0502B ...

Page 3

... PP Normalized Capacitance vs. Reverse Voltage 1.2 1 0.8 0.6 0 MHz 0 ( RClamp0502B Power Derating Curve 100 125 o Ambient Temperature - Pin 1 or Pin 2 to Pin 3 Waveform Parameters 8µ 20µ Peak Pulse Current - I (A) ...

Page 4

... GHz GHz STOP 000 . 000 000 MHz 3 START . 030 MHz ESD Response (8kV Contact per IEC 61000-4- RClamp0502B LOG REF .00460 dB 900 MHz 2: .02010 dB 1.8 GHz 3: -.08180 dB 2.5 GHz 100 3 1 MHz ...

Page 5

... 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. 2005 Semtech Corp. RClamp0502B Figure 1. Pin Configuration 5 www.semtech.com ...

Page 6

... RClamp0502B. Figure 2 shows how to implement the RClamp0502B in an HDMI application (transmitter and receiver). Figure 3 shows impedance test results using a Semtech evaluation board with layout compensation. As shown, the device meets the HDMI CTS impedance requirements ...

Page 7

... PROTECTION PRODUCTS Applications Information - Spice Model 2005 Semtech Corp. RClamp0502B Spice Model ...

Page 8

... SIDE VIEW -A- AND - DETERMINED AT DATUM PLANE X Y DIM CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR COMPANY'S MANUFACTURING GUIDELINES ARE MET. 8 RClamp0502B DIMENSIONS INCHES MILLIMETERS MIN NOM MAX MIN NOM MAX - - .023 .035 0.60 0. .000 .004 0.00 0.10 .023 ...

Page 9

... Semtech Corporation Protection Products Division 200 Flynn Rd., Camarillo, CA 93012 9 RClamp0502B ...

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