250R 系列 - 用于电信设备保护的250V PolySwitch®无铅径向引线型自恢复PPTC

PTC 250R Image
滚动放大
免责声明

Littelfuse产品并非为以下用途而设计,也不应被用于这些用途:包括但不限于汽车、航空航天、医疗、救生、维生、核设施、高可靠性应用、用于手术植入体内的装置,或者在产品故障或运行无法达到理想状态的情况下会造成人身伤害、死亡或财产损失的任何其他应用。除非在适用的Littelfuse产品文档中已有明确说明。 如果将产品用于相关Littelfuse文件中未明确说明的任何其他用途,则产品不享受Littelfuse质保。 如果将产品用于相关Littelfuse文件中未明确说明的其他用途,则Littelfuse不会为因此造成的任何索赔或损失承担责任。 除非经Littelfuse另行许可,否则Littelfuse产品的销售和使用应遵守Littelfuse销售条款与条件。 "Littelfuse"包括Littelfuse, Inc.及其所有附属实体。

250R系列设计用于防止通常发生在电信应用(250Vrms)中的短时高电压故障电流(电源交叉或电力线感应浪涌)。 该系列可用于帮助电信网络设备达到ITU K.20和K.21规定的保护要求。

功能与特色:
  • 0.08 - 0.18安培保持电流,60伏直流工作电压
  • 250VAC断流额定值
  • 快速跳闸时间
  • 阻值拣选/分档窄电阻范围
  • 符合RoHS标准,无铅,无卤素*
应用:
  • 客户端设备(CPE)
  • 中心局(CO)/电信中心
  • LAN/WAN设备
  • 接入设备

请在下方查看规格、认证和存货情况并订购零部件

Catalog #IHold (A)ITRIP
(A)
Max Volts
(V)
IMAX
(A)
PDMAX
(W)
RMIN
(Ω)
R1max
(Ω)
Max
Time
To
Trip
(A)
Max
Time
to
Trip Time
(Sec)
RTYP
(Ω)
Operating TemperaturePartner ECAD ModelsStockSamplesCompare
产品号IHold
I保持电流
(A)
ITRIP
I动作电流
(A)
Max Volts
最大电压
(V)
IMAX
I最大
(A)
PDMAX
PD最大
(W)
RMIN
(Ω)
R1max
R1最大
(Ω)
最大


时间
(A)
最大


时间
(秒)
RTYP
(Ω)
工作温度合作伙伴ECAD模型库存样品比较
250R080 0.080.162503114330.35422-40°至85°C250R080 Check订购
250R080T 0.080.162503115330.35422-40°至85°C250R080T Check
250R120 0.120.242503141612.58-40°至85°C250R120 Check订购
250R120-R1 0.120.242503161612.59-40°至85°C250R120-R1 Check订购
250R120-R2 0.120.242503181612.510.5-40°至85°C250R120-R2 Check订购
250R120-R3 0.120.242503181612.510-40°至85°C250R120-R3 Check订购
250R120-RA 0.120.242503171612.59-40°至85°C250R120-RA Check订购
250R120-RC 0.120.24250315.414137.5-40°至85°C250R120-RC Check订购
250R120-RF 0.120.242503161612.510.5-40°至85°C250R120-RF
250R120T 0.120.242503171612.512-40°至85°C250R120T Check订购
250R145 0.1450.292503131412.56-40°至85°C250R145 Check订购
250R145-RA 0.1450.292503131212.55.5-40°至85°C250R145-RA Check
250R145-RB 0.1450.29250314.51412.56-40°至85°C250R145-RB
250R145T 0.1450.29250315.41412.57.5-40°至85°C250R145T Check订购
250R180 0.180.65250101.80.841202.2-40°至85°C250R180 Check订购
250R180T 0.180.65250101.81.44.51213.9-40°至85°C250R180T Check订购
产品编号 零件描述 RoHS 无铅 RoHS (2015/ 863/EU)认证 REACH(SVHC's)声明 无卤素 REACH(SVHC's) IPC-材料声明
250R080DR PTC 60V/250V POLYFUSE TELECOM .080A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R080ZR PTC 60V/250V POLYFUSE TELECOM .080A RoHS 07/07/2006 PbFree 07/07/2006 CoC_RoHS10_250R080ZR REACH219_Declaration_250R080ZR
01/01/2010
不含 IPC 250R080ZR_KN
250R080TZR PTC 60V/250V POLYFUSE TELECOM .080A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R080U PTC 60V/250V POLYFUSE TELECOM .080A RoHS 07/07/2006 PbFree 07/07/2006 REACH209_Declaration_250R080U
01/01/2010
不含
250R080TDR PTC 60V/250V POLYFUSE TELECOM .080A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R080TU PTC 60V/250V POLYFUSE TELECOM .080A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R120U PTC 60V/250V POLYFUSE TELECOM .120A RoHS 07/07/2006 PbFree 07/07/2006 CoC_RoHS10_250R120U REACH197_Declaration_250R120U
01/01/2010
不含
250R120ZR PTC 60V/250V POLYFUSE TELECOM .120A RoHS 07/07/2006 PbFree 07/07/2006 CoC_RoHS10_250R120ZR REACH219_Declaration_250R120ZR
01/01/2010
不含
250R120-R1U PTC 60V/250V POLYFUSE TELECOM .120A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R120-R1ZR PTC 60V/250V POLYFUSE TELECOM .120A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R120-R2U PTC 60V/250V POLYFUSE TELECOM .120A RoHS 07/07/2006 PbFree 07/07/2006 CoC_RoHS10_250R120-R2U Yes
01/01/2010
250R120-R2ZR PTC 60V/250V POLYFUSE TELECOM .120A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R120-R3ZR PTC 60V/250V POLYFUSE TELECOM .120A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R120-R3U PTC 60V/250V POLYFUSE TELECOM .120A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R120-RAZR PTC 60V/250V POLYFUSE TELECOM .120A RoHS 07/07/2006 PbFree 07/07/2006 CoC_RoHS10_250R120-RAZR REACH_SVHC Declaration_250R120-RAZR
01/01/2010
不含 IPC_250R120-RAZR
250R120-RAU PTC 60V/250V POLYFUSE TELECOM .120A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R120-RCZR PTC 60V/250V POLYFUSE TELECOM .120A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R120-RCU PTC 60V/250V POLYFUSE TELECOM .120A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R120-RFZR PTC 60V/250V POLYFUSE TELECOM .120A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R120-RFU PTC 60V/250V POLYFUSE TELECOM .120A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R120TU PTC 60V/250V POLYFUSE TELECOM .120A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R120TZR PTC 60V/250V POLYFUSE TELECOM .120A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R145U PTC 60V/250V POLYFUSE TELECOM .145A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R145ZR PTC 60V/250V POLYFUSE TELECOM .145A RoHS 07/07/2006 PbFree 07/07/2006 CoC_RoHS10_250R145ZR REACH197_Declaration_250R145ZR
01/01/2010
不含
250R145-RAU PTC 60V/250V POLYFUSE TELECOM .145A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R145-RAZR PTC 60V/250V POLYFUSE TELECOM .145A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R145-RBU PTC 60V/250V POLYFUSE TELECOM .145A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R145-RBZR PTC 60V/250V POLYFUSE TELECOM .145A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R145TU PTC 60V/250V POLYFUSE TELECOM .145A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R145TZR PTC 60V/250V POLYFUSE TELECOM .145A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R180MR PTC 60V/250V POLYFUSE TELECOM .180A RoHS 07/07/2006 PbFree 07/07/2006 CoC_RoHS10_250R180MR REACH219_Declaration_250R180MR
01/01/2010
不含
250R180F PTC 60V/250V POLYFUSE TELECOM .180A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R180TMR PTC 60V/250V POLYFUSE TELECOM .180A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
250R180TF PTC 60V/250V POLYFUSE TELECOM .180A RoHS 07/07/2006 PbFree 07/07/2006
01/01/2010
如果您要查找的产品环境信息未出现在此选项卡中,
请填写 产品环境信息申请表

pdficon How to Specify a CablePro Fuse to Improve Design

pdficon Resettable PTCs 250R Datasheet

pdficon Circuit Protection Technology Application Matrix Application Guide

Littelfuse is the world leader in the design and manufacturing of fuses for the automotive industrial handheld computer and telecom markets...