EPCOS B88069X2670T902

Surge Arrester
3-Electrode-Arrester
T90-A420XSMD
Ordering code: B88069X2670T902
DC spark-over voltage 1) 2) 4)
DC spark-over voltage 2) 5)
357 … 525
357 … 1200
V
V
Impulse spark-over voltage
at 100 V/µs - for 99 % of measured values 4)
- typical values of distribution 4)
< 1000
< 800
V
V
at 1 kV/µs
- for 99 % of measured values 4)
- typical values of distribution 4)
< 1200
< 1000
V
V
at 1 kV/µs
- for 99 % of measured values 5)
- typical values of distribution 5)
< 2200
< 1800
V
V
Nominal impulse discharge current (wave 8/20 µs) 6)
Single impulse discharge current
(wave 10/350 µs) 6)
5
1
kA
kA
Nominal alternating discharge current (50 Hz, 1 s) 6)
5
A
Impulse life
300 operations
200
A
>1
GΩ
Capacitance at 1 MHz 4)
< 1.5
pF
3)
< 0.2
µs
Arc voltage at 1 A
Glow to arc transition current
Glow voltage
~ 10
~1
~ 60
V
A
V
Weight
~ 0.8
g
Operation and storage temperature
-40 ... +90
°C
Climatic category (IEC 60068-1)
40/ 90/ 21
10/1000 µs 5)
Insulation resistance at 100 Vdc
Transverse delay time
4)
Marking, blue
420 YY O
420
YY
O
- Nominal voltage
- Year of production
- Non radioactive
1)
At delivery AQL 0.65 level II, DIN ISO 2859
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
2)
KB AB E / KB AB PM
Issue 04, 20.07.2004
Page 1 of 2
Surge Arrester
3-Electrode-Arrester
T90-A420XSMD
Ordering code: B88069X2670T902
Not to scale
Dimensions in mm
Non controlled document
SMD-Gurtverpackung nach IEC 60286-3 /
Tape and reel packing comply with the specification of IEC 60286-3
 EPCOS AG 2002. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and
Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless
otherwise agreed.
KB AB E / KB AB PM
Issue 04, 20.07.2004
Page 2 of 2