种类：保护器件 品牌：放电管 型号：T23A250XF4



标称DC火花放电电压（VDC）

250



标称放电电流脉冲∕交流电（kA/A）

20/10



尺寸dxl（毫米）

8x10



脉冲火花放电电压 (@1KV/US）

<600



脉冲火花放电电压 (@100V/US）

<500



容差

±20%



短路弹簧

With short circuit spring



适用

线路保护 ** 其它保护



型号

T23A250XF4











订购代码

B88069X8860B502





Surge arrester B88069X8860B502



3-electrode arrester T23-A250XF4



KB AB E / KB AB PM Issue 06 / 2007-10-18



Please readCautions and warningsand Page 2 of 4



Important notesat the end of this document.



Features Applications



Standard size



Fast response time



High current rating



Stable performance over life



Very low capacitance



High insulation resistance



Reliable failsafe device



RoHS-compatible



Branch exchange (MDF)



Line protection



Station protection



Electrical specifications



DC spark-over voltage 1) 2) 4) 250



± 20



V



%



Impulse spark-over voltage 4)



at 100 V/μs - for 99 % of measured values



- typical values of distribution



at 1 kV/μs - for 99 % of measured values



- typical values of distribution



< 500



< 400



< 600



< 550



V



V



V



V



Service life



10 operations 50 Hz, 1 s 5) 10 A



1 operation 50 Hz, 0.18 s (9 cycles) 5) 50 A



10 operations [5x (+) & 5x (-)] 8/20 μs 5) 20 kA



1 operation 8/20 μs 5) 25 kA



1 operation 10/350 μs 5) 5 kA



300 operations 10/1000 μs 5) 200 A



Insulation resistance at 100 Vdc



4) > 10 GΩ



Capacitance at 1 MHz 4) < 1.5 pF



Transverse delay time 3) < 0.2 μs



Arc voltage at 1 A



Glow to arc transition current



Glow voltage



35



1



200



V



A



V



Weight 2 g



Storage temperature -40 ... +90 °C



Climatic category (IEC 60068-1) 40/ 90/ 21



Marking, blue negative



250 YY O



250 - Nominal voltage



YY - Year of production



O - Non radioactive





品名：三极放电管T23A250XF4
价格：3.00/支
型号：B88069X8860B502
规格：T23A250XF4
品牌：爱普科斯
起订：100支
供应：4000000支
发货：3天内