点击图片查看原图
| 种类：保护器件 | *：EPCOS | 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 基站 其它保护 |
||
|
型号 |
|
||
|
订购代码 |
B88069X8860B502 |
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
