- 品牌/商标：EPCOS
- 企业类型：贸易商
|
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 |
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
