Surge Arrester 3-Electrode-Arrester T30-A90X Ordering code: B88069X3030C253 DC spark-over voltage 1) 2) 3) DC spark-over voltage 3) 5) DC spark-over voltage 2) 4) 72 ... 108 72 ... 180 72 ... 230 V V V Impulse spark-over voltage at 1 kV/µs - for 99 % of measured values 3) - for 50 % of measured values 3) < 500 < 380 V V - for 99 % of measured values 4) - for 50 % of measured values 4) < 700 < 600 V V >1 GΩ < 1.5 pF 10 5 10 5 kA kA Arms Arms > 10 65 ... 150 65 ... 250 MΩ V V < 700 < 900 V V Activation after reflow soldering 9) 1 operation URMS = 600 V; 1 s Weight 2 ~ 1.2 A g Operation and storage temperature -40 ... +90 °C Climatic category (IEC 60068-1) 40/ 90/ 21 at 1 kV/µs Insulation resistance at 50 Vdc 3) Capacitance at 1 MHz 3) Service life according to EPCOS 10 operations 8/20 µs 6) 10 operations 8/20 µs 7) 10 operations 50 Hz; 1 s 6) 10 operations 50 Hz; 1 s 7) Values after loading Insulation resistance at 50 Vdc 3) 8) DC spark-over voltage 2) 3) DC spark-over voltage 2) 4) Impulse spark-over voltage at 1 kV/µs - for 99 % of measured values 3) - for 99 % of measured values 4) Marking, blue 90 YY O 90 YY O - Nominal voltage - Year of production - Non radioactive 1) At delivery AQL 0.65 level II, DIN ISO 2859 In ionized mode 3) Tip or ring electrode to center electrode 4) Tip to ring electrode 5) After 1 day storage in darkness for 80 % of tubes 6) Total current through center electrode, half value through tip respectively ring electrode 7) Total current through center electrode, same value through tip respectively ring electrode 8) For 80 % of tubes 9) Total current from ring to tip electrode Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE 0845 2) AB E / AB PM Issue 04, 21.05.2002 Page 1 of 2 Surge Arrester 3-Electrode-Arrester T30-A90X Ordering code: B88069X3030C253 Not to scale Dimensions in mm Non controlled document 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. AB E / AB PM Issue 04, 21.05.2002 Page 2 of 2