? coilcraft, inc. 2006 specifications subject to change without notice. please check our website for latest information. common mode line chokes C ee styles document 141-1 document 141-1 revised 02/06/06 ? low cost ? vde, iec, ul, csa compliant ? 3750 vrms isolation between windings ? constructed with ul approved class 130c insula- tion system (ul file e83628) ? industry-standard ee25 size ? wide range of available inductances and current ratings for free evaluation samples, contact coilcraft or visit www.coilcraft.com . coilcraft common mode standard packages incorpo- rate several features to help meet the requirements of all major international safety agencies. these include 2 mm thick center flanges and 3 mm creepage and clearance from all terminations to the core. common mode chokes are used to reduce ac line conducted interference produced by switching power supplies. this configuration produces opposing mag- netic fluxes in the core that serve to cancel in-phase noise signals appearing across the ac line. this mode allows much more filtering capability in a given core size than would be possible using differen- tial filtering alone. use of common mode chokes there- fore reduces component count as well as inductor size. combining both common and differential mode chokes gives the power supply designer the added flexibility required to adjust the filtering to meet fcc, vde, and other requirements as well as optimize the circuit for the particular noise levels and frequencies produced by each power supply design. the coilcraft packaging of common mode chokes al- lows windings to be balanced within 1% and features the cost effectiveness of standard ee core styles. schematic typical application ac input 2 2 9 9 4 4 7 7 0.1 f 0.1 f 0.005 f 0.005 f
? coilcraft, inc. 2006 common mode line chokes C ee styles specifications subject to change without notice. please check our website for latest information. document 141-2 document 141-2 revised 02/14/06 standard ee line chokes standard ee line chokes C high inductance part current dcr max 2 inductance 3 number rating 1 (ohms) min E3490-AL 500 ma 0.980 9.9 mh e3491-al 750 ma 0.390 3.9 e3492-al 1 a 0.270 2.9 e3493-al 1? a 0.190 2.1 e3494-al 1? a 0.105 1.1 e3495-al 2 a 0.069 731 h e3496-al 2? a 0.044 468 e3497-al 3 a 0.029 299 e3498-al 4 a 0.016 168 1. based on 300 circular mils/amp. temperature rise is less than 10c. 2. dcr is maximum per winding. 3. per section. typical values are approximately 30% higher than published minimums. 4. operating temperature range ?40c to +85c. 5. electrical specifications at 25c. part current dcr max 2 inductance 3 number rating 1 (ohms) min e3499-al 500 ma 1.260 16.8 mh e3500-al 750 ma 0.500 6.6 e3501-al 1 a 0.350 4.9 e3502-al 1? a 0.230 3.6 e3503-al 1? a 0.130 1.87 e3504-al 2 a 0.087 1.24 e3505-al 2? a 0.055 796 h e3506-al 3 a 0.037 508 e3507-al 4 a 0.022 286 1. based on 300 circular mils/amp. temperature rise is less than 10c. 2. dcr is maximum per winding. 3. per section. typical values are approximately 30% higher than published minimums. 4. operating temperature range ?40c to +85c. 5. electrical specifications at 25c. 0.15 0.030 3,81 0,762 0.62 0.015 15,75 0,38 0.950 24,13 0.032 0,813 0.40 10,16 0.155 3,937 1.10 27,94 1.10 27,94 max max dia ref max min ref 0.079 2,00 2 9 4 7 0.15 0.030 3,81 0,762 0.62 0.015 15,75 0,38 1.20 30,48 0.032 0,813 0.40 10,16 0.155 3,937 1.10 27,94 1.10 27,94 max max dia ref max min ref 0.079 2,00 2 9 4 7 for custom values or information on toroidal common mode line chokes, please contact coilcraft. terminations: tin-silver over tin over copper terminations: tin-silver over tin over copper
|
