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参数资料
| 型号： | SRDA3.3-4.TBT |
| 元件分类： | TVS二极管 - 瞬态电压抑制 |
| 英文描述： | 500 W, UNIDIRECTIONAL, SILICON, TVS DIODE, MS-012AA |
| 封装： | ROHS COMPLIANT, SOIC-8 |
| 文件页数： | 1/8页 |
| 文件大小： | 188K |
| 代理商： | SRDA3.3-4.TBT |
PROTECTION PRODUCTS
1
www.semtech.com
PROTECTION PRODUCTS - RailClamp
SRDA3.3-4
RailClamp
Low Capacitance TVS Array
Description
Features
Circuit Diagram
Schematic and PIN Configuration
Revision 01/15/08
RailClamps are surge rated diode arrays designed to
protect high speed data interfaces. The SRDA series
has been specifically designed to protect sensitive
components which are connected to data and trans-
mission lines from overvoltage caused by electrostatic
discharge (ESD), electrical fast transients (EFT), and
lightning.
The unique design incorporates surge rated, low
capacitance steering diodes and a TVS diode in a
single package. During transient conditions, the
steering diodes direct the transient current to ground
via the internal low voltage TVS. The TVS diode clamps
the transient voltage to a safe level. The low capaci-
tance array configuration allows the user to protect up
to four high-speed data lines.
The SRDA3.3-4 is constructed using Semtech’s
proprietary EPD process technology. The EPD process
provides low stand-off voltages with significant reduc-
tions in leakage current and capacitance over silicon-
avalanche diode processes. They feature a true
operating voltage of 3.3 volts for superior protection.
These devices are in a 8-pin SOIC package. It mea-
sures 3.9 x 4.9mm. They are available with a SnPb or
RoHS/WEEE compliant matte tin lead finish. The high
surge capability (Ipp=25A, tp=8/20μs) means it can be
used in high threat environments in applications such
as CO/CPE equipment, telecommunication lines, and
video lines.
Applications
Mechanical Characteristics
T1/E1 secondary IC Side Protection
T3/E3 secondary IC Side Protection
Analog Video Protection
Microcontroller Input Protection
Base stations
I2C Bus Protection
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 four I/O lines
Low capacitance (<15pF) for high-speed interfaces
Low operating voltage: 3.3V
Low clamping voltage
Solid-state technology
JEDEC SOIC-8 package
Lead Finish: SnPb or Matte Sn
Molding compound flammability rating: UL 94V-0
Marking : Part number, date code, logo
Packaging : Tape and Reel per EIA 481
S0-8 (Top View)
I/O 3
I/O 4
GND
I/O 1
I/O 2
NC
1
2
3
45
6
7
8
2, 3
I/O 1
I/O 2
I/O 3
I/O 4
5, 8
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| SRDA3.3-6.T | 500 W, UNIDIRECTIONAL, SILICON, TVS DIODE, MS-012AA |
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| SRGP20B | 2 A, SILICON, RECTIFIER DIODE, DO-201AE |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SRDA5-6 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Direct ProTek Replacement:PSRDA5-6 |
| SRDA70-4 | 制造商:Semtech Corporation 功能描述:500 W, UNIDIRECTIONAL, 8 ELEMENT, SILICON, TVS DIODE |
| SRDA70-4.T | 制造商:Semtech Corporation 功能描述:ESD Suppressor Diode Arrays ±15KV 8-Pin SOIC T/R |
| SRDA70-4.TB | 制造商:Semtech Corporation 功能描述:ESD Suppressor Diode Arrays ±15KV 8-Pin SOIC T/R 制造商:Semtech Corporation 功能描述:ESD Suppressor Diode Arrays ??15KV 8-Pin SOIC T/R |
| SRDA70-4.TBT | 制造商:Semtech Corporation 功能描述:ESD Suppressor Diode Arrays 制造商:Semtech Corporation 功能描述:70V 24A LOW CAP RAILCLAMP TVS DIODE ARRA 制造商:Semtech Corporation 功能描述:SRDA Series 3.3 V 4 pF SMT RailClamp Low Capacitance TVS Diode Array - SOIC-8 制造商:Semtech Corporation 功能描述:ESD Suppressor Diode Arrays ±15KV 8-Pin SOIC T/R 制造商:Semtech 功能描述:ESD Suppressor Diode Arrays |
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