参数资料
| 型号： | 250R080U |
| 厂商： | Littelfuse Inc |
| 文件页数： | 3/7页 |
| 文件大小： | 0K |
| 描述： | PTC RESETBL 60V/250V .080A RAD |
| 标准包装： | 500 |
| 系列： | POLYFUSE® 250R |
| 电流 - 维持(Ih)： | 80mA |
| 电流 - 跳闸(It)： | 160mA |
| 电流 - 最大： | 3A |
| 电压 - 最大： | 250V |
| R最小/最大： | 14.00 ~ 33.00 欧姆 |
| 跳闸时间： | 3s |
| 封装/外壳： | 径向 - 圆盘形 |
| 包装： | 散装 |
| 其它名称： | 250R080U-ND |
POLYFUSE ? Resettable PTCs
Radial Leaded > 250R Series
Agency Speci?cation Selection Guide For Telecom and Networking Applications
Product
250R120
250R145
250R180
Lightning
ITU K.20/21/45 – 1.5kV 10/700μs
ITU K.20/21/45 – 4kV 10/700μs*
ITU K.20/21/45 – 1.5kV 10/700μs
ITU K.20/21/45 – 4kV 10/700μs*
Telcordia GR – 974 – 1.0kV 10/1000μs
Power Cross
ITU K.20/21/45 – 230Vac, 10Ω
ITU K.20/21/45 – 600Vac, 600Ω
ITU K.20/21/45 – 230Vac, 10Ω
ITU K.20/21/45 – 600Vac, 600Ω
Telcordia GR – 974- 283Vac, 10A
*Devices should be independently evaluated and tested for use in any speci?c application
Protection Application Guide
Region/Speci?cation
South America/Asia/Europe
ITU K.45
South America/Asia/Europe
ITU K.21
South America/Asia/Europe
ITU K.20
North America Telcordia
GR-974
South America/Asia/Europe
ITU K.20
North America Telcordia
GR-1089
South America/Asia/Europe
ITU K.20 and K.21
Application
*Access network equipment
Remote terminal
Repeaters
WAN equipment
Cross –connect
Customer and IT equipment
Analog modems
ADSL, xDSL
Phone sets, PBX systems
Internet appliances
POS terminals
Central Of?ce
POTS/ISDN linecards
T1/E1/J1 linecards
ADSL/VDSL splitters
CSU/DSU
*Primary protection modules
MDF modules
Network interface
*Intrabuilding communication systems
LAN, VOIP cards
Local loop handsets
LAN Intrabuilding power cross
Protection
Device Selection
250R180
250R180T
250R145
250R145T
250R120
250R120T
250R180
250R180T
250R145
250R145T
250R120
250R120T
250R180
250R180T
250R145
250R145T
250R120
250R120T
250R180
250R180T
250R145
250R145T
250R120
250R120T
250R180
250R180T
250R145
250R145T
250R120
250R120T
250R080
LAN equipment, IP phone
*Resistance binned parts are recommended
? 2010 Littelfuse, Inc
Speci?cations are subject to change without notice.
Please refer to www.littelfuse.com/series/250R.html for current information.
101
Revised: July 12, 2010
250R Series
相关PDF资料 |
PDF描述 |
|---|---|
| 432103-20-0 | TERM BARRIER 20CIRC 1 ROW .4375 |
| 250R120-RFU | PTC RESETBL 60V/250V .120A RAD |
| MC-4 | TERM BARRIER 4CIRC DUAL ROW |
| 432102-20-0 | TERM BARRIER 20CIRC 1 ROW .4375 |
| 431501-22-0 | TERM BARRIER 22CIRC 1 ROW .4375 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 250R080ZR | 功能描述:可复位保险丝 PTC POLYFUSE TELECOM 60V/250V .080A RoHS:否 制造商:Bourns 电流额定值: 电阻:7.5 Ohms 最大直流电压: 保持电流:0.1 A 安装风格:SMD/SMT 端接类型:SMD/SMT 跳闸电流:0.6 A 引线间隔: 系列:MF-PSHT 工作温度范围:- 40 C to + 125 C |
| 250R1 | 制造商:RFSOLUTIONS 制造商全称:rfsolutions.ltd 功能描述:GSM TELEMETRY SYSTEM |
| 250R11W123KV4T | 制造商:JOHANSON 功能描述:CAPACITOR CERAMIC |
| 250R120 | 制造商:LITTELFUSE 制造商全称:Littelfuse 功能描述:POLYFUSE Resettable PTCs Radial Leaded |
| 250R120-R1 | 制造商:LITTELFUSE 制造商全称:Littelfuse 功能描述:POLYFUSE Resettable PTCs Radial Leaded |
发布紧急采购，3分钟左右您将得到回复。