LPC4235 & LPC4545 power chip inductor EU features inductors * Low DC resistance and high allowable current are realized by the original construction and wiring technology * Automatic surface mounting is applicable * Excellent solderability and endurance environment * Suitable for reflow soldering * Marking: Black body color with no marking * Products meet EU RoHS requirements dimensions and construction LPC4235 L H A Size Base W Ferrite Core LPC4545 Dimensions inches (mm) H Max. A W B 4235 .177.008 .165.008 .138 Max. .039.008 .079.008 (4.50.2) (4.20.2) (3.5 Max.) (1.00.2) (2.00.2) 4545 .161.012 .181.016 .181 Max. .126.012 (4.10.3) (4.60.4) (4.6 Max.) (3.20.3) B Magnet Wire L L -- Electrode A W Electrode Ferrite Core H ordering information New Part # LPC 4235 Type Size 4235 4545 T Termination Material T: Sn (4235 only) C: Sn/Cu (4545 only) TED Packaging TED: 10" embossed plastic (4235 - 2,000 pieces/reel) TM: taping (4235) TE: taping (4545) K 221 Nominal Inductance 3 digits 221: 220H Tolerance K: 10% M:20% For further information on packaging, please refer to Appendix A. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 1/06/11 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com 207 LPC4235 & LPC4545 choke coil inductor applications and ratings Part Designation Inductance (H) inductors LPC4235TTEDR82M LPC4235TTED1R0M LPC4235TTED1R2M LPC4235TTED1R5M LPC4235TTED2R2M LPC4235TTED3R3M LPC4235TTED4R7M LPC4235TTED6R8M LPC4235TTED100K LPC4235TTED150K LPC4235TTED220K LPC4235TTED330K LPC4235TTED470K LPC4235TTED680K LPC4235TTED101K LPC4235TTED151K LPC4235TTED221K LPC4545CTE1R0M LPC4545CTE1R5M LPC4545CTE2R2M LPC4545CTE3R3M LPC4545CTE4R7M LPC4545CTE6R8M LPC4545CTE100K LPC4545CTE150K LPC4545CTE220K LPC4545CTE330K LPC4545CTE470K LPC4545CTE680K LPC4545CTE101K LPC4545CTE151K LPC4545CTE221K LPC4545CTE331K LPC4545CTE471K LPC4545CTE681K LPC4545CTE152K NEW LPC4545CTE222K 0.82 1.0 1.2 1.5 2.2 3.3 4.7 6.8 10 15 22 33 47 68 100 150 220 1.0 1.5 2.2 3.3 4.7 6.8 10 15 22 33 47 68 100 150 220 330 470 680 1500 2200 Inductance Tolerance Quality Factor Minimum (MHz) M: 20% -- K: 10% M: 20% -- K: 10% Self Resonant Frequency Minimum (MHz) 146.6 125.1 114.7 101.4 78.8 66.7 52.0 43.5 33.5 29.1 21.7 13.9 12.0 12.7 10.4 7.5 6.7 90.0 65.0 50.0 40.0 35.0 25.0 23.0 15.0 13.0 10.0 9.0 7.5 5.5 5.0 4.0 2.5 2.0 1.8 1.3 0.9 DC Resistance Maximum () 0.017 0.020 0.023 0.031 0.039 0.070 0.090 0.109 0.190 0.230 0.366 0.542 0.688 1.30 1.66 2.96 3.77 0.015 0.02 0.023 0.044 0.062 0.075 0.1 0.15 0.21 0.41 0.52 0.67 0.92 1.8 2.25 4.27 5.23 6.67 17.04 35.0 Allowable DC Current Maximum (Amps) 3.34 3.27 3.10 2.53 2.28 1.63 1.44 1.29 0.91 0.87 0.69 0.52 0.47 0.34 0.31 0.22 0.20 3.66 3.21 2.96 2.19 1.81 1.60 1.43 1.04 0.88 0.60 0.53 0.49 0.41 0.29 0.26 0.19 0.17 0.15 0.10 0.07 Operating temperature range: -40C - +125C (the self-temperature rise is contained) Allowable current is a DC Current which causes initial inductance to decrease by 10%. Or coil temperature to rise by 40C, whichever is smaller environmental applications Performance Characteristics Parameter Test Method Maximum L High Temperature Exposure 5% +125C 2C, 1000 hours Low Temperature Exposure 5% -40C, 1000 hours Moisture Exposure 5% +40C 2C, 90 - 95% RH, 1000 hours Rapid Change of Temperature 5% -40C (30 minutes)/+125C (30 minutes), 100 cycles Surface Temperature Rise graphs and additional environmental applications can be found at www.koaspeer.com Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 208 1/01/11 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com