Document 141-1 Common Mode Line Chokes – EE Styles • Low cost • 3 mm creepage and clearance from all terminations to the core • 3750 Vrms, one minute isolation between windings • UL1446 Class B (130°C) Insulation System (UL File E83628) • Industry-standard EE25 size • Wide range of available inductances and current ratings Coilcraft Designer’s Kit No. P402 contains samples of eight standard EE and toroidal common mode line chokes. To order, contact Coilcraft or purchase on-line at buy.coilcraft.com. Coilcraft common mode standard packages incorporate several features to help meet the requirements of major 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 magnetic 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 differential filtering alone. Use of common mode chokes therefore 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 allows windings to be balanced within 1% and features the cost effectiveness of standard EE core styles. Schematic 2 Typical Application 2 4 4 0.005 µF AC input 0.1 µF 0.1 µF 0.005 µF 9 7 9 US +1-847-639-6400 [email protected] UK +44-1236-730595 [email protected] Taiwan +886-2-2264 3646 [email protected] China +86-21-6218 8074 [email protected] Singapore + 65-6484 8412 [email protected] 7 Document 141-1 Revised 04/20/12 © Coilcraft Inc. 2013 This product may not be used in medical or high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check web site for latest information. Document 141-2 Common Mode Line Chokes – EE Styles Standard EE Line Chokes Part number E3490-AL E3491-AL E3492-AL E3493-AL E3494-AL E3495-AL E3496-AL E3497-AL E3498-AL Current DCR max2 Inductance3 rating1 (Ohms)min 500 mA 750 mA 1 A 1¼ A 1½ A 2 A 2½ A 3 A 4 A 0.980 0.390 0.270 0.190 0.105 0.069 0.044 0.029 0.016 0.950 max 24,13 9.9 mH 3.9 mH 2.9 mH 2.1 mH 1.1 mH 731 µH 468 µH 299 µH 168 µH 1. Based on 300 circular mils/Amp. Temperature rise is less than 10°C. 2. DCR is maximum per winding. 3. Per section. Typical values are approximately 30% higher than published minimums. 4. Ambient temperature range –40°C to +85°C. 5. Electrical specifications at 25°C. 6. Parts in bold type are included in Coilcraft Designer’s Kit No. P402. 0.032 dia ref 0,813 0.15 ±0.030 3,81 ±0,762 0.40 10,16 0.155 ref 3,937 2 4 0.62 ±0.015 15,75 ±0,38 1.10 max 27,94 0.079 min 2,00 9 7 1.10 max 27,94 Weight: 19 – 33.8 g Terminations: Tin-silver over tin over copper Standard EE Line Chokes – High Inductance Part number E3499-AL E3500-AL E3501-AL E3502-AL E3503-AL E3504-AL E3505-AL E3506-AL E3507-AL Current rating1 500 mA 750 mA 1 A 1¼ A 1½ A 2 A 2½ A 3 A 4 A DCR max2 Inductance3 (Ohms)min 1.260 0.500 0.350 0.230 0.130 0.087 0.055 0.037 0.022 1.20 max 30,48 16.8 mH 6.6 mH 4.9 mH 3.6 mH 1.87 mH 1.24 mH 796 µH 508 µH 286 µH 1. Based on 300 circular mils/Amp. Temperature rise is less than 10°C. 2. DCR is maximum per winding. 3. Per section. Typical values are approximately 30% higher than published minimums. 4. Ambient temperature range –40°C to +85°C. 5. Electrical specifications at 25°C. 0.032 dia ref 0,813 0.15 ±0.030 3,81 ±0,762 0.40 10,16 0.155 ref 3,937 2 4 0.62 ±0.015 15,75 ±0,38 1.10 max 27,94 0.079 min 2,00 9 7 1.10 max 27,94 For custom values or information on toroidal common mode line chokes, please contact Coilcraft. Weight: 19 – 33.8 g Terminations: Tin-silver over tin over copper US +1-847-639-6400 [email protected] UK +44-1236-730595 [email protected] Taiwan +886-2-2264 3646 [email protected] China +86-21-6218 8074 [email protected] Singapore + 65-6484 8412 [email protected] Document 141-2 Revised 04/20/12 © Coilcraft Inc. 2013 This product may not be used in medical or high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check web site for latest information.