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MAL210257472E3 Datasheet(PDF) 8 Page - Vishay Siliconix |
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MAL210257472E3 Datasheet(HTML) 8 Page - Vishay Siliconix |
8 / 11 page 101/102 PHR-ST Aluminum Capacitors Power High Ripple Current Screw Terminals Vishay BCcomponents Document Number: 28371 For technical questions contact: aluminumcaps2@vishay.com www.vishay.com Revision: 31-Oct-08 175 Note (1) Low ESL designs available on request RIPPLE CURRENT AND USEFUL LIFE Note • Calculation example for 102 series. Maximum ripple current multiplier = 1.6 x 1.3 x 1.25 = 2.6 ADDITIONAL ELECTRICAL DATA PARAMETER CONDITIONS VALUE Voltage Surge voltage ≤ 250 V versions Us = 1.15 x UR ≥ 350 V versions Us = 1.1 x UR Reverse voltage Urev ≤ 1V Current Leakage current in µA After 1 min at UR IL1 ≤ 0.006 CR x UR After 5 min at UR IL5 ≤ 0.002 CR x UR Inductance Equivalent series inductance (ESL) Case Ø D = 35 mm Typ. 13 nH Case Ø D = 50 mm Typ. 16 nH Case Ø D = 65 mm Typ. 19 nH (1) Case Ø D = 76 mm Typ. 20 nH (1) Case Ø D = 90 mm Typ. 21 nH (1) 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 1 1.1 1.2 1.3 1.4 1.5 Air Velocity [m/s] IR Free IR Forced Fig. 3 Multiplier of ripple current (IR) as a function of air flow MAXIMUM RIPPLE CURRENT PARAMETER CONDITION MAXIMUM RIPPLE CURRENT MULTIPLIER VALUE Ambient temperature (Tamb) 70 °C From nomogram; see fig. 4 1.6 Operating frequency (f) 400 Hz From frequency; table 4 1.3 Air flow 2 m/s From air-flow; see fig. 3 1.25 |
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