Document 583-1 SMT Power Inductors – EPL2014 Series • Miniature shielded power inductors; 2.0 × 2.0 mm footprint • Extremely low DCR and very high SRF ratings • Isat ratings as high as 2.8 A Designer’s Kit C413 contains 5 each of all values Core material Ferrite Terminations Since March, 2009: RoHS compliant tin-silver-copper over tin over nickel over silver. Prior to March, 2009: RoHS compliant tin-silver-copper over gold over nickel over silver. Weight 20 – 25 mg Ambient temperature –40°C to +85°C with Irms current, +85°C to +125°C with derated current Storage temperature Component: –40°C to +125°C. Packaging: –40°C to +80°C Resistance to soldering heat Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C / 85% relative humidity) Failures in Time (FIT) / Mean Time Between Failures (MTBF) 38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332 Packaging 2000/7″ reel; 7500/13″ reel Plastic tape: 8 mm wide, 0.28 mm thick, 4 mm pocket spacing, 1.65 mm pocket depth PCB washing Only pure water or alcohol recommended Part number1 EPL2014-271ML_ EPL2014-301ML_ EPL2014-421ML_ EPL2014-471ML_ EPL2014-601ML_ EPL2014-821ML_ EPL2014-102ML_ EPL2014-152ML_ EPL2014-222ML_ EPL2014-332ML_ EPL2014-472ML_ EPL2014-682ML_ EPL2014-822ML_ EPL2014-103ML_ Inductance2 ±20% (µH) DCR nom3 (Ohms) DCR max3 (Ohms) SRF typ4 (MHz) Isat (A)5 10% drop 20% drop 30% drop 0.27 0.030 0.036 570 1.50 2.30 2.80 This part number has been changed to EPL2014-271. The EPL2014-301 is not available 0.42 0.037 0.044 438 1.40 2.00 2.40 This part number has been changed to EPL2014-421. The EPL2014-471 is not available 0.60 0.043 0.052 290 1.20 1.80 2.25 0.82 0.051 0.061 163 0.950 1.40 1.75 1.0 0.059 0.071 153 0.900 1.30 1.68 1.5 0.075 0.086 109 0.720 1.20 1.60 2.2 0.120 0.132 80 0.600 0.980 1.30 3.3 0.152 0.167 62 0.540 0.800 1.10 4.7 0.231 0.254 46 0.380 0.650 0.880 6.8 0.287 0.316 44 0.350 0.590 0.800 8.2 0.378 0.416 39 0.290 0.500 0.680 10 0.440 0.459 33 0.250 0.450 0.600 1. When ordering, please specify packaging code: EPL2014-103MLC Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic tape (2000 parts per full reel). B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter C instead. D = 13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (7500 parts per full reel). 2.04 2.73 1.93 2.57 1.83 1.49 1.43 1.34 1.07 0.923 0.788 0.676 0.640 0.564 2.43 2.03 1.94 1.86 1.42 1.23 1.06 0.915 0.849 0.729 2. Inductance tested at 100 kHz, 0.1 Vrms, 0 Adc. 3. DCR measured on a micro-ohmmeter. 4. SRF measured using Agilent/HP 4395A network analyzer or equivalent. 5. DC current at which the inductance drops from its value without current. 6. Current that causes the specified temperature rise from 25°C ambient. 7. Electrical specifications at 25°C. Refer to Doc 362 “Soldering Surface Mount Components” before soldering. Specifications subject to change without notice. Please check our website for latest information. © Coilcraft, Inc. 2009 Irms (A)6 20°C rise 40°C rise Document 583-1 Revised 10/28/09 Document 583-2 SMT Power Inductors – EPL2014 Series Typical L vs Current Typical L vs Frequency 100 10 µH 10 Inductance (µH) Inductance (µH) 100 3.3 µH 1.0 µH 1 10 µH 10 3.3 µH 1.0 µH 1 0.3 µH 0.3 µH 0.1 0.01 0.1 1 10 0.1 0.1 1 Current (A) Current Derating 100 Part Marking Multiplier 120 110 2nd significant digit 0.079 ±0.008 2,0 ±0,2 100 90 1st significant digit 80 0.079 ±0.008 2,0 ±0,2 70 60 50 0.057 max 1,45 40 30 20 Isat Irms 10 0 -40 -20 Recommended Land Pattern 25°C Percent of rated current 10 Frequency (MHz) Start 0 20 40 60 80 100 0.057 1,45 Finish 120 140 Ambient temperature (°C) 0.087 2,2 Part Marking (Parts manufactured prior to Oct. 20, 2009 may not be marked.) Part number EPL2014-271 EPL2014-421 EPL2014-601 EPL2014-821 EPL2014-102 EPL2014-152 EPL2014-222 EPL2014-332 EPL2014-472 EPL2014-682 EPL2014-822 EPL2014-103 Value 0.27 µH 0.42 µH 0.60 µH 0.82 µH 1.0 µH 1.5 µH 2.2 µH 3.3 µH 4.7 µH 6.8 µH 8.2 µH 10 µH 1st digit Red Yellow Blue Gray Brown Brown Red Orange Yellow Blue Gray Brown 2nd digit Violet Red Black Red Black Green Red Orange Violet Gray Red Black Multiplier Brown Brown Brown Brown Red Red Red Red Red Red Red Orange 0.014 min 0,35 Dimensions are in 0.041 1,04 inches mm Small surface blemishes are not unusual and do not adversely affect performance. Wire may be visible inside the voids. Acceptable void sizes: Top: 0.01 in / 0,254 mm × 0.01 in / 0,254 mm Sides: 0.02 in / 0,5 mm × 0.047 in / 1,2 mm Note: All marked parts have three dots. Black dot, used only on -601, -102 and -103 as second significant digit, may be very difficult to see. Specifications subject to change without notice. Please check our website for latest information. © Coilcraft, Inc. 2009 Document 583-2 Revised 10/28/09