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250R120T PDF预览

250R120T

更新时间: 2024-02-27 16:45:44
品牌 Logo 应用领域
力特 - LITTELFUSE 电阻器非线性电阻器过载保护
页数 文件大小 规格书
6页 383K
描述
POLYFUSE Resettable PTCs Radial Leaded

250R120T 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:RADIAL LEADED, HALOGEN FREE & ROHS COMPLIANT
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8533.40.80.70风险等级:0.48
Is Samacsys:N其他特性:4 TO 16 OHMS MEASURED AT 20 DEG CEL
JESD-609代码:e3安装特点:THROUGH HOLE MOUNT
端子数量:2最高工作温度:85 °C
最低工作温度:-40 °C封装形状:RECTANGULAR PACKAGE
包装方法:BULK额定(AC)电压(URac):250 V
电阻:4 Ω电阻器类型:PTC RESETTABLE FUSE
子类别:Non-linear Resistors表面贴装:NO
端子面层:Matte Tin (Sn)端子位置:RADIAL
端子形状:WIRE热敏电阻器应用:OVERLOAD PROTECTION
Base Number Matches:1

250R120T 数据手册

 浏览型号250R120T的Datasheet PDF文件第1页浏览型号250R120T的Datasheet PDF文件第2页浏览型号250R120T的Datasheet PDF文件第4页浏览型号250R120T的Datasheet PDF文件第5页浏览型号250R120T的Datasheet PDF文件第6页 
POLYFUSE® Resettable PTCs  
Radial Leaded  
Agency Specification Selection Guide For Telecom and Networking Applications  
Product  
Power Cross  
Lightning  
250R120  
250R145  
ITU K.20/21/45 – 1.5kV 10/700μs  
ITU K.20/21/45 – 4kV 10/700μs*  
ITU K.20/21/45 – 230Vac, 10Ω  
ITU K.20/21/45 – 600Vac, 600Ω  
ITU K.20/21/45 – 1.5kV 10/700μs  
ITU K.20/21/45 – 4kV 10/700μs*  
Telcordia GR – 974 – 1.0kV 10/1000μs  
ITU K.20/21/45 – 230Vac, 10Ω  
ITU K.20/21/45 – 600Vac, 600Ω  
Telcordia GR – 974- 283Vac, 10A  
250R180  
*Devices should be independently evaluated and tested for use in any specific application  
Protection Application Guide  
Region/Specification  
Application  
Device Selection  
250R180  
250R180T  
250R145  
250R145T  
250R120  
250R120T  
*Access network equipment  
Remote terminal  
Repeaters  
South America/Asia/Europe  
ITU K.45  
WAN equipment  
Cross –connect  
Customer and IT equipment  
Analog modems  
250R180  
250R180T  
250R145  
250R145T  
250R120  
250R120T  
South America/Asia/Europe  
ITU K.21  
ADSL, xDSL  
Phone sets, PBX systems  
Internet appliances  
POS terminals  
250R180  
250R180T  
250R145  
250R145T  
250R120  
250R120T  
Central Office  
POTS/ISDN linecards  
T1/E1/J1 linecards  
ADSL/VDSL splitters  
CSU/DSU  
South America/Asia/Europe  
ITU K.20  
North America  
Telcordia GR-974  
250R180  
250R180T  
250R145  
250R145T  
250R120  
250R120T  
*Primary protection modules  
MDF modules  
South America/Asia/Europe  
ITU K.20  
Network interface  
250R180  
250R180T  
250R145  
250R145T  
250R120  
250R120T  
North America  
Telcordia GR-1089  
*Intrabuilding communication systems  
LAN, VOIP cards  
Local loop handsets  
South America/Asia/Europe  
ITU K.20 and K.21  
LAN Intrabuilding power cross  
Protection  
250R080  
LAN equipment, IP phone  
*Resistance binned parts are recommended  
250R Series  
www.littelfuse.com  
©2006 Littelfuse  
Specifications are subject to change without notice.  
Electronics Designers Guide  

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