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B32794_798 Datasheet(PDF) 7 Page - EPCOS |
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B32794_798 Datasheet(HTML) 7 Page - EPCOS |
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7 / 19 page  Technical data Reference standard: IEC 61071 Operating temperature range (case) Max. operating temperature, Top,max Upper category temperature Tmax Lower category temperature Tmin Note: At T > 85 °C de-rating for VRMS (V AC) should be 1.5%/ °C +105 °C +85 °C –40 °C Capacitance drift in range ( 40 °C, 85 °C) 2% respect the value measured at reference conditions Insulation Resistance Rins given as time constant τ = C R Rins, rel. humidity ≤ 65% (minimum as-delivered values) 30 000 s Test voltage between terminals 1.5 VR for 10 s 1.65 VR for 2 s DC test voltage terminal to case (10 s) 2 VRMS + 1000 V AC (min. 2000 V AC) at 50 Hz Maximum permissible overvoltage for short operating periods (max 1 min/day) 1.3 VRMS Maximum peak current (A) Damp heat test Limit values after damp heat test 56 days/40 °C/93% relative humidity Capacitance change | ∆C/C | ≤ 5% Dissipation factor change ∆ tan δ ≤ 1.5 · 10-3 (at 1 kHz) Insulation resistance Rins ≥ 50% of minimum as-delivered values Change of temperature In accordance with IEC 60068-2-14 (Test Nb) Reliability: Failure rate λ 300 fit Service life tSL > 60 000 h at VRMS For conversion to other operating conditions, refer to chapter "Reliability" on page 439 from Data Book 2009. Failure criteria: Total failure Short/open circuit Failure due to variation of parameters Capacitance change | ∆C/C | ≥ 10% Dissipation factor change ∆ tan δ > 4 · upper limit value Insulation resistance Rins < 1500 M Ω (CR ≤0.33µF) or time constant τ = C R · Rins < 500 s (CR>0.33 µF) B32794 ... B32798 MKP AC filtering Preliminary Data Page 7 of 19 Please read Cautions and warnings and Important notes at the end of this document. |
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