EPCOS避雷 防雷 放电管T23-A420X,3R420

T23-A420X B88069X8070B502为EPCOS陶瓷气体放电管，直流导通电压420V，雷击电流20KA，直径8mm宽度10mm，三端引脚弯脚直插系列，使用在室外感应雷区，大量使用在室外产品防雷

Electrical specifications

DC spark-over voltage 420  V  正负20%

Impulse spark-over voltage 
 at 100 V/us - for 99 % of measured values  < 500V

                    - typical values of distribution  < 450V 
 at 1 kV/us  - for 99 % of measured values   < 600V
                    - typical values of distribution  < 550V 

Service life  

          10 operations 50 Hz, 1 s 20 A

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

          1 operation 8/20 us 25 kA

          1 operation 10/350 us 5 kA

          300 operations 10/1000 us 200 A

Insulation resistance at 50 V > 10 GO

Capacitance at 1 MHz < 1.5 pF

Arc voltage at 1 A  ~ 15V

Glow to arc transition current ~ 0.6A

Glow voltage ~ 60V

Weight ~ 1.5 g

Operation and storage temperature -40 ... +90 °C

Climatic category (IEC 60068-1) 40/ 125/ 21

Marking, blue negative EPCOS 420 YY O

420 - Nominal voltage

YY - Year of production

O - Non radioactive