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SP2502LBTG PDF预览

SP2502LBTG

更新时间: 2024-11-12 12:24:23
品牌 Logo 应用领域
力特 - LITTELFUSE 以太网局域网(LAN)标准
页数 文件大小 规格书
5页 835K
描述
The SP2502L provides overvoltage protection for applications such as 10/100/1000 Base-T Ethernet and T3/E3 interfaces.

SP2502LBTG 数据手册

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TVS Diode Arrays (SPA Family of Products)  
Lightning Surge Protection - SP2502L Series  
RoHS  
GREEN  
Pb  
SP2502L Series 3.3V 75A Diode Array  
Description  
The SP2502L provides overvoltage protection for  
applications such as 10/100/1000 Base-T Ethernet andT3/  
E3 interfaces. This device has a low capacitance of only  
5pF making it suitable for PHY side Ethernet protection  
and the capability to protect against both longitudinal and  
differential transients. Furthermore, the SP2502L is rated  
up to 100A (tp=2/10µs) making it suitable for line side  
protection as well against lightning transients as defined  
by GR-1089 (intra-building), ITU, YD/T, etc. The application  
schematic provides the connection information for a PHY  
side protection scheme of a single differential pair.  
Pinout  
Features  
• Lightning protection,  
IEC61000-4-5, 75A  
(8/20µs)  
• Clamping speed of  
nanoseconds  
1
2
8
7
6
5
• SOIC-8 surface mount  
package (JEDEC MS-012)  
• Low clamping voltage  
3
4
• Low insertion loss, log-  
linear capacitance  
• UL 94V-0 epoxy molding  
• RoHS compliant  
• Combined longitudinal  
and metallic protection  
SOIC-8 (Top View)  
Note: Pinout diagrams above shown as device footprint on circuit board.  
Functional Block Diagram  
Applications  
• T1/E1 Line cards  
• T3/E3 and DS3 Interfaces  
• STS-1 Interfaces  
• 10/100/1000 BaseT  
Pin 1 and 8  
Ethernet  
Line in  
Line out  
Application Example  
8
1
2
3
4
Pin 2, 3, 6,  
and 7  
TeleLink (0461 1.25)  
to chipset  
(Ethernet PHY,  
T3/E3 PHY, etc.)  
7
6
5
Line out  
Line in  
SP2502L  
Pin 4 and 5  
The schematic shows protection for a single differential  
pair as part of a larger high-speed data interface such as  
Ethernet. The SP2502L provides both metallic (differential)  
and longitudinal (common mode) protection from lightning  
induced surge events as specified by regulatory standards  
such asTelcordias GR-1089 CORE and ITU K.20 and 21.  
Life Support Note:  
Not Intended for Use in Life Support or Life Saving Applications  
The products shown herein are not designed for use in life sustaining or life saving  
applications unless otherwise expressly indicated.  
The SP2502L protects against both positive and negative  
induced surge events while theTeleLink fuse provides  
overcurrent protection for the long term 50/60 Hz power  
fault events.  
SP2502L Series  
©2012 Littelfuse, Inc.  
Specifications are subject to change without notice.  
Please refer to www.littelfuse.com for current information.  
1
Revision: August 13, 2012  

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