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TCF250-145 PDF预览

TCF250-145

更新时间: 2024-09-10 13:45:23
品牌 Logo 应用领域
力特 - LITTELFUSE 温度传感电信电阻器
页数 文件大小 规格书
2页 78K
描述
我们的PolySwitch系列电信和网络设备有助于满足对自恢复过流保护不断增长的需求。 这些产品系列可针对ITU、Telcordia GR1089和UL60950中定义的电流交叉和电源感应浪涌造成

TCF250-145 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:CHIP, ROHS COMPLIANT
Reach Compliance Code:unknown风险等级:4.95
其他特性:RESISTANCE RANGE(MIN-MAX): 3.0-6.0安装特点:SURFACE MOUNT
端子数量:2最高工作温度:85 °C
封装形状:RECTANGULAR PACKAGE包装方法:BULK
额定(AC)电压(URac):60 V额定功率耗散 (P):1 W
电阻器类型:PTC RESETTABLE FUSE表面贴装:YES
端子位置:DUAL ENDED端子形状:ONE SURFACE
热敏电阻器应用:TEMPERATURE SENSING

TCF250-145 数据手册

 浏览型号TCF250-145的Datasheet PDF文件第2页 
PRODUCT: TCF250-120  
PolySwitch®  
DOCUMENT: SCD25318  
REV LETTER: G  
REV DATE: JULY 26, 2016  
PAGE NO.: 1 OF 2  
PTC Devices  
Overcurrent Protection Device  
Specification Status:Released  
Max Electrical Rating at 20°C  
Operating Voltage: 60VDC  
Fault Voltage: 250VRMS  
Interrupt Current: 3ARMS  
Marking:  
TABLE I. DIMENSIONS:  
A
B
C
MIN  
5.4  
MAX  
5.6  
MIN  
5.4  
MAX  
5.6  
MIN  
2.0  
MAX  
2.3  
mm:  
in:  
(0.213) (0.221) (0.213) (0.221) (0.079) (0.091)  
TABLE II. PERFORMANCE RATINGS @ 20°C (unless otherwise noted):  
IHOLD (A)**  
TIME TO TRIP (s)  
@ 1A  
OPERATING  
TEMPERATURE (°C)  
RESISTANCE ()  
20°C  
0.120  
40°C  
--  
R MIN  
5.0  
R MAX  
9.0  
R1 MAX  
*
TYP  
MAX  
MIN  
MAX  
14.0  
0.9  
1.5  
-40  
85  
* Maximum device resistance at 20°C measured 1 hour post trip.  
** Dependent on Heat Sinking of Mounting Fixture.  
Additional Ratings @ 20°C  
Lightning Withstand  
ITU AT 1.5kV  
Reference Documents:  
Precedence:  
Effectivity:  
PS300  
This specification takes precedence over documents referenced herein.  
Reference documents shall be the issue in effect on the date of invitation for bid.  
Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.  
CAUTION:  
Materials Information  
ROHS Compliant  
ELV Compliant  
Pb-Free  
© 2016 Littelfuse,Inc  
Littelfuse.com  
Specifications are subject to change without notice.  
Revised July 26, 2016  

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