TDK EPCOS GDT Gas Discharge Tube Surge Arrester B88069X4293* 2-electrode arrester EM90XHC

DC spark-over voltage ^1) 2)

90

V

Tolerance

±20

%

Min.

72

V

Max.

108

V

Impulse spark-over voltage

< 400
< 350
< 600
< 550

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

V

- typical values of distribution

V

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

V

- typical values of distribution

V

Service life
10 operations                                50Hz, 1 s

1 operation                               50Hz, 0.18s(9 cycles)
10 operations                                8/20 µs
10 operations                                10/350 µs
300 operations                            10/1000 µs

10

A

20

A

10

kA

1

kA

100

A

Insulation resistance at 50 V_DC

> 1

GW

Capacitance at 1 MHz

< 1

pF

Arc voltage at 1 A

~ 10

V

A

V

Glow to arc transition current

< 0.1

Glow voltage

~ 50

Weight

~ 1

g

Operation and storage temperature

-40 ... +125

°C

Climatic category (IEC 60068-1)

40/125/21

Marking, blue positive

EM

90
YY

O

EM 90 YY OO
-Series

- Nominal voltage
- Year of production
- Non radioactive