SRDA70-4.TBT Semtech, SRDA70-4.TBT Datasheet

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SRDA70-4.TBT

Manufacturer Part Number
SRDA70-4.TBT
Description
70V 24A LOW CAP RAILCLAMP TVS DIODE ARRAY, 4 LINES / LEAD-FREE, AND WEEE C
Manufacturer
Semtech
Datasheet

Specifications of SRDA70-4.TBT

Rohs Compliant
YES
Lead Free Status / Rohs Status
Compliant

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Revision 08/15/06
PROTECTION PRODUCTS
PROTECTION PRODUCTS
RailClamps are surge rated diode arrays designed to
protect high speed data interfaces. The SRDA70-4 has
been specifically designed to protect sensitive compo-
nents which are connected to data and transmission
lines from over-voltages caused by electrostatic dis-
charge (ESD), electrical fast transients (EFT), and
lightning.
The unique design of the SRDA70-4 integrates eight
surge rated, low capacitance steering diodes in a low
profile SO-8 package. During transient conditions, the
steering diodes direct the transient to either the
positive side of the power supply line or to ground. The
SRDA70-4 may be used as a stand alone device or in
conjunction with TVS diodes for enhanced protection.
The low capacitance array configuration allows the user
to protect four high speed data or I/O lines. The low
inductance construction minimizes voltage overshoot
during high current surges.
Description
Circuit Diagram
REF 1
I/O 1
I/O 2
REF 2
I/O 3
I/O 4
1
Low Capacitance TVS Diode Array
Features
Mechanical Characteristics
Applications
Schematic and PIN Configuration
REF 1
REF 1
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) 1kV, 24A (8/20µs)
Array of surge rated diodes
Protects four I/O lines
Low capacitance for high-speed interfaces
High surge capability
Low forward voltage characteristics
Solid-state silicon avalanche 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 per EIA 481
RoHS/WEEE Compliant
Latch-Up Protection
Microcontroller Input Protection
Token Ring
I
Video Line Protection
Set Top Box I/O
LAN/WAN Equipment
I/O 1
I/O 2
2
C Bus Protection
1
2
3
4
SO-8 (Top View)
SRDA70-4
RailClamp
www.semtech.com
8
7
6
5
REF 2
I/O 4
I/O 3
REF 2

Related parts for SRDA70-4.TBT

SRDA70-4.TBT Summary of contents

Page 1

... SO-8 package. During transient conditions, the steering diodes direct the transient to either the positive side of the power supply line or to ground. The SRDA70-4 may be used as a stand alone device or in conjunction with TVS diodes for enhanced protection. The low capacitance array configuration allows the user to protect four high speed data or I/O lines ...

Page 2

... PROTECTION PRODUCTS PROTECTION PRODUCTS Absolute Maximum Rating µ Electrical Characteristics 2006 Semtech Corp µ ° µ µ SRDA70 www.semtech.com ° ° ° C ° C ° µ ...

Page 3

... Foward Voltage vs. Forward Current Forward Current - I 2006 Semtech Corp. 110 100 100 1000 (µs) p Variation of Capacitance vs. Reverse Voltage 0 W aveform Parameters 8µ 20µ -10 -12 -14 - Waveform Parameters µ µ ( SRDA70-4 Power Derating Curve 100 125 o Ambient Temperature - Reverse Voltage - V (V) R www.semtech.com 150 6 ...

Page 4

... PROTECTION PRODUCTS Applications Information Device Connection Options for Protection of Four High-Speed Data Lines The SRDA70-4 TVS is designed to protect four data lines from transient over-voltages by clamping them to a fixed reference. When the voltage on the protected line exceeds the reference voltage (plus diode V steering diodes are forward biased, conducting the transient current away from the sensitive circuitry ...

Page 5

... PROTECTION PRODUCTS Applications Information - Spice Model 2006 Semtech Corp. Vcc I/O 0.8 nH SRDA70-4 Spice Model SRDA70 www.semtech.com ...

Page 6

... Semtech Corp GAGE PLANE 0. (L1) A DETAIL SEE DETAIL SIDE VIEW -H- X DIM INCHES (.205 .118 .050 .024 X Y .087 Y Z .291 P 6 SRDA70-4 DIMENSIONS INCHES MILLIMETERS DIM MIN NOM MAX MIN NOM - A .053 .069 1. .004 .010 0. .049 .065 1. .012 .020 0. .007 .010 ...

Page 7

... PROTECTION PRODUCTS Ordering Information Note: Lead-free devices are RoHS/WEEE Compliant Contact Information 2006 Semtech Corp Semtech Corporation Protection Products Division 200 Flynn Road, Camarillo, CA 93012 Phone: (805)498-2111 FAX (805)498-3804 7 SRDA70-4 www.semtech.com ...

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