SR05.TCT Semtech, SR05.TCT Datasheet

IC TVS ARRAY 2-LINE 5V SOT-143

SR05.TCT

Manufacturer Part Number
SR05.TCT
Description
IC TVS ARRAY 2-LINE 5V SOT-143
Manufacturer
Semtech
Series
RailClamp®r
Datasheet

Specifications of SR05.TCT

Voltage - Reverse Standoff (typ)
5V
Voltage - Breakdown
6V
Power (watts)
500W
Polarization
2 Channel Array - Unidirectional
Mounting Type
Surface Mount
Package / Case
SOT-143, SOT-143B, TO-253AA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
SR05TR

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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 SR series devices incorpo-
rates four 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 two high-speed data or transmission lines.
The low inductance construction minimizes voltage
overshoot during high current surges.
Revision 02/18/05
PROTECTION PRODUCTS
Description
Circuit Diagram
Pin 2
Pin 4
Pin 1
Pin 3
1
Low Capacitance TVS Diode Array
Features
Mechanical Characteristics
Applications
Schematic & PIN Configuration
ESD protection 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 two I/O lines
Low capacitance (<10pF) for high-speed interfaces
Low clamping voltage
Low operating voltage: 5.0V
Solid-state silicon-avalanche technology
JEDEC SOT-143 package
UL 497B listed
Molding compound flammability rating: UL 94V-0
Marking : R05
Packaging : Tape and Reel per EIA 481
USB Power & Data Line Protection
Ethernet 10BaseT
I
Video Line Protection
T1/E1 secondary IC Side Protection
Portable Electronics
Microcontroller Input Protection
WAN/LAN Equipment
ISDN S/T Interface
2
C Bus Protection
1
2
SOT-143 (Top View)
4
3
RailClamp
www.semtech.com
SR05

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SR05.TCT Summary of contents

Page 1

... Applications USB Power & Data Line Protection Ethernet 10BaseT I C Bus Protection 2 Video Line Protection T1/E1 secondary IC Side Protection Portable Electronics Microcontroller Input Protection WAN/LAN Equipment ISDN S/T Interface Schematic & PIN Configuration 1 2 SOT-143 (Top View) 1 SR05 RailClamp 4 3 www.semtech.com ...

Page 2

... PROTECTION PRODUCTS Absolute Maximum Rating µ µ Electrical Characteristics 2005 Semtech Corp µ ° µ µ µ www.semtech.com SR05 ° C ° C ° µ ...

Page 3

... Non-Repetitive Peak Pulse Power vs. Pulse Time 10 1 0.1 0.01 0 Pulse Duration - tp (µs) Pulse Waveform 110 100 Time (µs) Forward Voltage vs. Forward Current Forward Current - I F 2005 Semtech Corp. 110 100 100 1000 Clamping Voltage vs. Peak Pulse Current 18 Waveform 16 Parameters 8µ 20µ -10 Waveform -12 Parameters µ µ ...

Page 4

... During positive duration ESD events, the top diode will be forward biased when the voltage on the protected line exceeds the reference voltage plus the V F 2005 Semtech Corp. Data Line and Power Supply Protection Using Vcc as reference ) the F ...

Page 5

... The RailClamp is designed to overcome the inherent disadvantages of using discrete signal diodes for ESD suppression. The RailClamp’s integrated TVS diode helps to mitigate the effects of parasitic inductance in 2005 Semtech Corp. of the diode. At first Figure 1 - “Rail o-Rail” Pr Figure 1 - “Rail- Figure 1 - “Rail- Figure 1 - “ ...

Page 6

... The TVS diode also acts to suppress ESD strikes directly on the voltage bus. Thus, both power and data pins are protected with a single device. Reference Semtech application note SI96-18 for further information. Matte Tin Lead Finish Matte tin has become the industry standard lead-free replacement for SnPb lead finishes ...

Page 7

... PROTECTION PRODUCTS Typical Applications 2005 Semtech Corp. Universal Serial Bus ESD Protection ISDN S/T Interface Protection 7 SR05 www.semtech.com ...

Page 8

... OR GATE BURRS. 4. REFERENCE JEDEC STD TO-253, VARIATION D. Land Pattern - SOT-143 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. 2005 Semtech Corp. H GAUGE PLANE SEATING PLANE 0. DETAIL A SIDE VIEW 4X ccc C ...

Page 9

... PROTECTION PRODUCTS Marking Codes Ordering Information Contact Information Phone: (805)498-2111 FAX (805)498-3804 2005 Semtech Corp Semtech Corporation Protection Products Division 200 Flynn Road, Camarillo, CA 93012 9 SR05 www.semtech.com ...

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