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250R145-RBZR PDF预览

250R145-RBZR

更新时间: 2024-01-27 17:48:00
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
PTC Resettable Fuse, 4.5ohm, Through Hole Mount, RADIAL LEADED, HALOGEN FREE & ROHS COMPLIANT

250R145-RBZR 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:0.51
其他特性:3 TO 14 OHMS MEASURED AT 20 DEG CELJESD-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:AMMO PACK
额定(AC)电压(URac):250 V电阻:3 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 PROTECTIONBase Number Matches:1

250R145-RBZR 数据手册

 浏览型号250R145-RBZR的Datasheet PDF文件第2页浏览型号250R145-RBZR的Datasheet PDF文件第3页浏览型号250R145-RBZR的Datasheet PDF文件第4页浏览型号250R145-RBZR的Datasheet PDF文件第5页浏览型号250R145-RBZR的Datasheet PDF文件第6页 
POLYFUSE® Resettable PTCs  
Radial Leaded  
250R Series  
Description  
• The 250R series is designed to protect against short  
duration high voltage fault currents (power cross or  
power induction surge) typically found in telecom  
applications (250Vrms). The series can be used to help  
telecom networking equipment meet the protection  
requirements specified in ITU K.20 and K.21.  
Features  
• RoHS compliant and  
lead-free  
• Fast time-to-trip  
• 0.08 – 0.18 Hold current  
range, 60VDC operating  
voltage  
Agency Approvals  
• Binned and sorted narrow  
resistance ranges available  
• 250VAC interrupt rating  
AGENCY  
AGENCY FILE NUMBER  
E183209  
Applications  
R50082521  
• Customer Premises  
Equipment (CPE)  
• LAN/WAN Equipment  
• Access equipment  
• Central Office (CO)/  
Telecom Centers  
Electrical Characteristics  
Maximum Time  
Agency  
Resistance  
R typ  
P
Vmax  
/ V  
To Trip  
Approvals  
madx.  
(W)  
I hold  
(A)  
I trip  
(A)  
I max  
(A)  
Part Number  
R min  
(Ω)  
R 1max  
(Ω)  
V
Current  
Time  
int  
op  
(A)  
0.35  
0.35  
1
(Sec.)  
(Ω)  
22  
22  
8
250R080T  
250R080  
0.08  
0.08  
0.12  
0.12  
0.12  
0.12  
0.12  
0.12  
0.12  
0.12  
0.145  
0.145  
0.145  
0.145  
0.18  
0.18  
0.16  
0.16  
0.24  
0.24  
0.24  
0.24  
0.24  
0.24  
0.24  
0.24  
0.29  
0.29  
0.29  
0.29  
0.65  
0.65  
250/60  
250/60  
250/60  
250/60  
250/60  
250/60  
250/60  
250/60  
250/60  
250/60  
250/60  
250/60  
250/60  
250/60  
250/60  
250/60  
3
3
1
1
3
3
15  
14  
4
33  
33  
16  
16  
14  
16  
16  
16  
16  
16  
14  
12  
14  
14  
4
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
250R120  
3
1
1.5  
1.0  
0.85  
0.7  
0.8  
0.7  
1
250R120-RA  
250R120-RC  
250R120-RF  
250R120-R1  
250R120-R2  
250R120-R3  
250R120T  
250R145  
3
1
1
7
9
3
1
1
5.4  
6
7.5  
10.5  
9
3
1
1
3
1
1
6
3
1
1
8
10.5  
10  
12  
6
3
1
1
8
3
1
1
1.2  
2.5  
5
7
3
1
1
3
250R145-RA  
250R145-RB  
250R145T  
250R180  
3
1
1
3
5.5  
6
3
1
1
2.5  
2.0  
21  
4.5  
5.4  
0.8  
1.4  
3
1
1
7.5  
2.2  
3.9  
10  
10  
1.8  
1.8  
1
250R180T  
1
20  
4.5  
*typical value  
C: coated device  
T: pre-tripped device  
250R Series  
www.littelfuse.com  
©2006 Littelfuse  
Specifications are subject to change without notice.  
Electronics Designers Guide  

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