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LDECD3470JA5N00 Datasheet(PDF) 9 Page - Kemet Corporation |
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LDECD3470JA5N00 Datasheet(HTML) 9 Page - Kemet Corporation |
9 / 16 page 9 SMD Film Capacitors 07/2008 LDE series - PEN dieletric RoHS 6 - technical data Plates Aluminium layer deposited by evaporation under vacuum. Winding Non inductive - Stacked technology. Terminations Four layers: aluminium, brass, nickel, pure tin. Marking On packaging only. Climatic category 55 / 125 / 56 Electrical data Operating temperature range -55 to +125 °C Rated voltage (VR) 50 - 63 - 100 - 250 - 400 - 630 - 1000 VDC Category voltage (VC) VC = VR up to 105 °C. For temperatures between 105 and 125 °C a decreasing factor of 1.25% per degree °C has to be applied on the rated voltage (D.C. and A.C.) Size range 12.06 to 60.54 (customized sizes available upon request) Capacitance range 1000 pF to 4.7 μF Capacitance values E12 series Capacitance tolerances Standard: K = ± 10 % M = ± 20 %; (J = ±5% available upon request and review of project/application) Dissipation factor (tgδ) ≤ 0.8 % (T = 25 ± 5 °C; f = 1 kHz) Dielectric absorption 0.8% Insulation resistance ≥ 1 GΩ for C ≤ 0.33 μF ≥ 400 s for C > 0.33 μF Test conditions: T = 25 ± 5 °C; charging time: 1 min. Charging voltage: 10 VDC for VR < 100 VDC 100 VDC for VR ≥ 100 VDC Surge voltage test 1.4 x VR (2 s; T = 25 ± 5 °C) for VR ≤ 630 VDC 1.5 x VR (2 s; T = 25 ± 5 °C) for VR = 1000 VDC Maximum dv / dt 100 V / μs for VR ≤ 630 VDC 300 V / μs for VR = 1000 VDC Tests and performances Damp heat (40°C/93% R.H.; 56 days) │∆C/C│≤ 7%;│∆tgδ│≤ 50 x 10-4; IR ≥ 50% of the limit value Endurance (125°C;2000h;1.25xVC) │∆C/C│≤ 5%;│∆tgδ│≤ 50 x 10-4; IR ≥ 50% of the limit value Rapid change of temperature (1h at -55 °C;1h at +125 °C; 1000 cycles) │∆C/C│≤ 5% │∆tgδ│≤ 50 x 10-4 IR ≥ limit value No mechanical damage Reflow (as per reflow recommendations, see page 14) │∆C/C│≤ 3% │∆tgδ│≤ 50 x 10-4 IR ≥ limit value No mechanical damage Bending (1 to 6 mm deflection) │∆C/C│≤ 1% No visible damage on the terminations (pealing) neither on the body (cracking) Long term stability (2 years) │∆C/C│≤ 3% for sizes ≤ 22.20 │∆C/C│≤ 2% for sizes > 22.20 Reliability (REF MIL HDBK 217) Failure rate ≤ 1 Fit 1 Fit = 10-9 failures / (components * hours) When a capacitor is used in A.C. applications at high frequency, the consequent internal heating may cause the risk of smoke or fire. This is due to the high current flowing through the capacitor’s Equivalent Series Resistance. The formula to calculate the maximum power [W] dissipated by the capacitor is the following: (N: number of significant harmonics) The formula to calculate the maximum power [W] that can be dissipated by the capacitor is the following: It must be: Pcmax ≤ Pclim Please refer to the table and graph below for ∆Tlim and Rth values (Th: maximum ambient temperature surrounding the capacitor or hottest contact point - i.e. tracks - whichever is higher, in the worst operating conditions in °C) Size 12.06 12.10 18.12 22.20 28.24 H max [mm] 1.2 2.1 1.7 2.6 2.3 3.3 4.4 3.5 4.5 5.4 Rth [°C/W] 175 165 157 151 135 128 122 114 108 103 Size 40.30 50.40 60.54 H max [mm] 3.6 4.5 5.5 3.6 4.5 5.7 3.6 4.5 5.7 Rth [°C/W] 93 88 84 75 70 66 58 55 52 Dissipation (A.C. applications) i N i= i i rms i i N ∑ ∑ i= = � � δ δ i rms (f tg C f I (f tg C f V Pc max 1 2 _ max 1 2 _ max * * 2 * * 2 * )= ) = |
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