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250R080U

更新时间： 2024-10-15 12:35:15
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
7页 267K
描述
POLYFUSE® Resettable PTCs

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中文翻译

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250R080U 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：compliant风险等级：0.58
其他特性：14 TO 33 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：DISK PACKAGE包装方法：BULK
额定（AC）电压（URac）：250 V电阻：14 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

250R080U 数据手册

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telecom centers  
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POLYFUSE® Resettable PTCs  
Radial Leaded > 250R Series  
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  
tꢀ  
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range, 60VDC operating  
voltage  
tꢀ  
tꢀ  
#JOOFEꢀBOEꢀTPSUFEꢀOBSSPXꢀ  
resistance ranges available  
3P)4ꢀDPNQMJBOUꢈꢀ-FBEꢇ  
Free and Halogen-Free*  
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Agency Approvals  
AGENCY  
AGENCY FILE NUMBER  
E183209  
Applications  
R50120008  
Electrical Characteristics  
MaximumTime  
ToTrip  
Agency  
Resistance  
P d  
typ.  
(W)  
Vmax  
/ V  
Approvals  
I hold  
(A)  
I trip  
(A)  
I max  
(A)  
Part Number  
R min  
(Ω)  
R typ  
(Ω)  
R 1max  
(Ω)  
V
Current Time  
int  
op  
(A)  
0.35  
0.35  
1
(Sec.)  
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
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
14  
15  
4
22  
22  
8
33  
33  
16  
16  
14  
16  
16  
16  
16  
16  
14  
12  
14  
14  
4
250R080T  
250R120  
3
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  
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
250R145  
3
1
1
3
250R145-RA  
250R145-RB  
250R145T  
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  
250R180  
10  
10  
1.8  
1.8  
1
250R180T  
1
20  
4.5  
Items withT at end of part number = pre-tripped device. See Part Ordering Number System section of this data sheet for additional information.  
I hold = Hold current: maximum current device will pass without tripping in 23°C still air.  
I trip =Trip current: minimum current at which the device will trip in 23°C still air.  
Vint = Maximum voltage the device can withstand without damage at rated current (I max)  
Vop= The device regular operation voltage  
R min = Minimum resistance of device in initial (un-soldered) state.  
R typ =Typical resistance of device in initial (un-soldered) state.  
R 1max = Maximum resistance of device at 20°C measured one hour after tripping.  
Caution: Operation beyond the specified rating may result in damage and possible arcing  
and flame.  
I max = Maximum fault current device can withstand without damage at rated voltage (Vmax  
P d = Power dissipated from device when in the tripped state at 23°C still air.  
)
* Effective January 1, 2010, all 250R PTC products will be manufactured Halogen Free (HF). Existing Non-Halogen Free 250R PTC products may continue to be sold, until supplies are depleted.  
99  
© 2010 Littelfuse, Inc  
250R Series  
Specifications are subject to change without notice.  
Please refer to www.littelfuse.com/series/250R.html for current information.  
Revised: July 12, 2010  
1234567

中文翻译

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250R080U 替代型号

型号 品牌 替代类型 描述 数据表
250R080TDR LITTELFUSE

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