SRDA3.3-6 Semtech Corporation, SRDA3.3-6 Datasheet

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SRDA3.3-6

Manufacturer Part Number
SRDA3.3-6
Description
Manufacturer
Semtech Corporation
Datasheet

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RailClamps are surge rated diode arrays designed to
protect high speed data interfaces. The SR series has
been specifically designed to protect sensitive compo-
nents which are connected to data and transmission
lines from overvoltage caused by electrostatic dis-
charge (ESD), electrical fast transients (EFT), and
lightning.
The unique design of the SRDA series devices incorpo-
rates surge rated, low capacitance steering diodes and
a TVS diode in a single package. During transient
conditions, the steering diodes direct the transient to
either the positive side of the power supply line or to
ground. The internal TVS diode prevents over-voltage
on the power line, protecting any downstream compo-
nents.
The low capacitance array configuration allows the user
to protect six high-speed data or transmission lines.
The low inductance construction minimizes voltage
overshoot during high current surges.
Revision 01/15/08
PROTECTION PRODUCTS
PROTECTION PRODUCTS
Description
Circuit Diagram
1
Low Capacitance TVS Diode Array
Features
Mechanical Characteristics
Applications
Schematic and 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)
IEC 61000-4-5 (Lightning) 24A (8/20µs)
Array of surge rated diodes with internal TVS diode
Protects six I/O lines and power supply line
Low capacitance (<15pF) for high-speed interfaces
Low operating & clamping voltages
Solid-state technology
JEDEC SO-8 package
UL 497B listed
Molding compound flammability rating: UL 94V-0
Marking : Part number, date code, logo
Packaging : Tube or Tape and Reel
USB Power & Data Line Protection
T1/E1 secondary IC Side Protection
Token Ring
HDSL, SDSL secondary IC Side Protection
Video Line Protection
Microcontroller Input Protection
Base stations
I
2
C Bus Protection
+V
I/O 1
I/O 2
I/O 3
SRDA3.3-6 and SRDA05-6
REF
1
2
3
4
S0-8 (Top View)
RailClamp
www.semtech.com
8
7
6
5
GND
I/O 6
I/O 5
I/O 4

Related parts for SRDA3.3-6

SRDA3.3-6 Summary of contents

Page 1

... The low inductance construction minimizes voltage overshoot during high current surges. Circuit Diagram Revision 01/15/08 SRDA3.3-6 and SRDA05-6 Low Capacitance TVS Diode Array Features 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) IEC 61000-4-5 (Lightning) 24A (8/20µ ...

Page 2

... Note: (1) The SRDA3.3-6 is constructed using Semtech’s propri- etary EPD process technology. See applications section for more information. 2008 Semtech Corp. SRDA3.3-6 and SRDA05 µ ...

Page 3

... 2008 Semtech Corp. SRDA3.3-6 and SRDA05 ...

Page 4

... Time (µs) Variation of Capacitance vs. Reverse Voltage -10 -12 - Reverse Voltage - V 2008 Semtech Corp. SRDA3.3-6 and SRDA05-6 110 100 100 1000 (µs) p Clamping Voltage vs. Peak Pulse Current 16 Waveform 14 Parameters 8µ 20µ ...

Page 5

... The path length is kept as short as possible to minimize parasitic inductance. The positive reference is connected at pins 2 and 3. In the case of the SRDA3.3-6, pins 2 and 3 are connected internally to the cathode of the low voltage TVS not recommended that these pins be directly ...

Page 6

... ESD suppression. The RailClamp’s integrated TVS diode helps to mitigate the effects of parasitic inductance in the power supply connection. During an ESD event, 2008 Semtech Corp. SRDA3.3-6 and SRDA05-6 Figure 1 - “Rail-To-Rail” Protection Topology ) = 30V -9 Figure 2 - The Effects of Parasitic Inductance When ...

Page 7

... PCB, the reflow profile will be 2008 Semtech Corp. SRDA3.3-6 and SRDA05-6 determined by the requirements of the solder paste. Therefore, these devices are compatible with both lead-free and SnPb assembly techniques. In addition, ...

Page 8

... REFERENCE JEDEC STD MS-012, VARIATION AA. Land Pattern - SO-8 (C) NOTES: 1. THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY. CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR COMPANY'S MANUFACTURING GUIDELINES ARE MET. 2. REFERENCE IPC-SM-782A, RLP NO. 300A. 2008 Semtech Corp. SRDA3.3-6 and SRDA05 GAGE PLANE 0.25 L (L1) A DETAIL ...

Page 9

... Note: Lead-free devices are RoHS/WEEE Compliant Contact Information 2008 Semtech Corp. SRDA3.3-6 and SRDA05 ...

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