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SRDA3.3-4
Low Capacitance Surface
Mount TVS for High-Speed
Data Interfaces
The SRDA3.3 ? 4 transient voltage suppressor is designed to protect
equipment attached to high speed communication lines from ESD and
lightning.
Features
? Protects 4 I/O Lines
? Low Working Voltage: 3.3 V
? Low Clamping Voltage
? Low Capacitance (<15 pF) for High Speed Interfaces
? Peak Power ? 500 W 8x20 m s
? Transient Protection for High Speed Lines to:
IEC61000 ? 4 ? 2 (ESD) ± 15 kV (air), ± 8 kV (contact)
IEC61000 ? 4 ? 4 (EFT) 40 A
IEC61000 ? 4 ? 5 (Lightning) 25 A
? UL Flammability Rating of 94 V ? 0
? This is a Pb ? Free Device
http://onsemi.com
SO ? 8 LOW CAPACITANCE
VOLTAGE SUPPRESSOR
500 WATTS PEAK POWER
3.3 VOLTS
PIN CONFIGURATION
AND SCHEMATIC
I/O 1 1 8 GND
REF 1 2 7 I/O 4
REF 1 3 6 I/O 3
I/O 2 4 5 GND
Typical Applications
? High Speed Communication Line Protection
? T1/E1 Secondary Protection
? T3/E3 Secondary Protection
? Analog Video Protection
? Base Stations
? I 2 C Bus Protection
8
SOIC ? 8
CASE 751
1 PLASTIC
MARKING DIAGRAM
MAXIMUM RATINGS
Rating
Peak Power Dissipation
8 x 20 m S @ T A = 25 ° C (Note 1)
Junction and Storage Temperature Range
Lead Solder Temperature ?
Maximum 10 Seconds Duration
Symbol
P pk
T J , T stg
T L
Value
500
? 55 to +150
260
Unit
W
° C
° C
A
Y
WW
8
1
P4106
AYWW G
G
= Assembly Location
= Year
= Work Week
IEC 61000 ? 4 ? 2
IEC 61000 ? 4 ? 4 (5/50 ns)
IEC 61000 ? 4 ? 5 (8 x 20 m s)
Contact
Air
ESD
EFT
?
± 8
± 15
40
25
kV
A
A
G = Pb ? Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Stresses exceeding Maximum Ratings may damage the device. Maximum
Ratings are stress ratings only. Functional operation above the Recommended
Operating Conditions is not implied. Extended exposure to stresses above the
Recommended Operating Conditions may affect device reliability.
1. Non ? repetitive current pulse 8 x 20 m S exponential decay waveform
Pin 2/3 to Pin 5/8
Device Package Shipping ?
SRDA3.3 ? 4DR2G SO ? 8 2500/Tape & Reel
(Pb ? Free)
?For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
? Semiconductor Components Industries, LLC, 2009
November, 2009 ? Rev. 0
1
Publication Order Number:
SRDA3.3 ? 4/D
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