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 at 1 kV/µs - for 99 % of measured values 4) - typical values of distribution 4) - for 99 % of measured values 5) - typical values of distribution 5)
357 … 525 357 … 1200 < 1000 < 800 < 1200 < 1000 < 2200 < 1800 5 1 5 200 >1 < 1.5 < 0.2 ~ 10 ~1 ~ 60 ~ 0.8 -40 ... +90 40/ 90/ 21 420 YY O
420 YY O - Nominal voltage - Year of production - Non radioactive
V V V V V V V V kA kA A A GΩ pF µs V A V g °C
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 Capacitance at 1 MHz 4) Transverse delay time
3)
10/1000 µs 5)
4)
Insulation resistance at 100 Vdc
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) 2)
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
KB AB E / KB AB PM Page 1 of 2
Issue 04, 20.07.2004
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 Page 2 of 2 Issue 04, 20.07.2004
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