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B88069X2670T902 Datasheet, PDF (1/2 Pages) EPCOS – SURGE ARRESTER 2-electrode arrester
Surge Arrester
3-Electrode-Arrester
T90-A420XSMD
Ordering code: B88069X2670T902
DC spark-over voltage 1) 2) 4)
DC spark-over voltage 2) 5)
Impulse spark-over voltage
at 100 V/µs - for 99 % of measured values 4)
- typical values of distribution 4)
at 1 kV/µs
- for 99 % of measured values 4)
- typical values of distribution 4)
at 1 kV/µs
- for 99 % of measured values 5)
- typical values of distribution 5)
Nominal impulse discharge current (wave 8/20 µs) 6)
Single impulse discharge current (wave 10/350 µs) 6)
Nominal alternating discharge current (50 Hz, 1 s) 6)
Impulse life
300 operations
10/1000 µs 5)
Insulation resistance at 100 Vdc 4)
Capacitance at 1 MHz 4)
Transverse delay time 3)
Arc voltage at 1 A
Glow to arc transition current
Glow voltage
Weight
Operation and storage temperature
Climatic category (IEC 60068-1)
Marking, blue
1) At delivery AQL 0.65 level II, DIN ISO 2859
2) In ionized mode
3) Test according to ITU-T Rec. K.12
4) Tip or ring electrode to center electrode
5) Tip to ring electrode
6) Total current through center electrode, half value through
tip respectively ring electrode
Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE0845
357 … 525
V
357 … 1200
V
< 1000
V
< 800
V
< 1200
V
< 1000
V
< 2200
V
< 1800
V
5
kA
1
kA
5
A
200
A
>1
GΩ
< 1.5
pF
< 0.2
µs
~ 10
V
~1
A
~ 60
V
~ 0.8
g
-40 ... +90
°C
40/ 90/ 21
420 YY O
420 - Nominal voltage
YY
- Year of production
O
- Non radioactive
KB AB E / KB AB PM
Page 1 of 2
Issue 04, 20.07.2004