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Document 432 -1
SMT Power Inductors - ME3215 Series
* Low profile, small footprint power inductor * 2.5 x 3.2 mm footprint; 1.55 mm tall
Designer's Kit C408 contains 3 each of all values Core material Ferrite Core and winding loss See www.coilcraft.com/coreloss Terminations RoHS compliant matte tin over nickel over silver. Other terminations available at additional cost. Weight 46 - 48 mg Ambient temperature -40C to +85C with Irms current, +85C to +125C with derated current Storage temperature Component: -40C to +125C. Packaging: -40C to +80C Resistance to soldering heat Max three 40 second reflows at +260C, parts cooled to room temperature between cycles Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30C / 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 2000/7reel; 7000/13 reel Plastic tape: 12 mm wide, 0.25 mm thick, 4 mm pocket spacing, 2.25 mm pocket depth PCB washing Only pure water or alcohol recommended
Part number1 ME3215-102ML_ ME3215-222ML_ ME3215-332ML_ ME3215-472ML_ ME3215-103KL_ ME3215-153KL_ ME3215-223KL_ ME3215-333KL_ ME3215-473KL_ ME3215-683KL_ ME3215-104KL_
Inductance2 (H) 1.0 20% 2.2 20% 3.3 20% 4.7 20% 10 10% 15 10% 22 10% 33 10% 47 10% 68 10% 100 10%
DCR max3 (Ohms) 0.058 0.107 0.170 0.245 0.505 0.773 1.00 1.48 2.33 3.40 4.67
Irms (A)6 Isat (A)5 SRF typ4 10% 20% 30% 20C 40C (MHz) drop drop drop rise rise 100 2.32 2.62 2.80 1.70 2.30 64 1.62 1.84 2.00 1.30 1.70 55 1.22 1.40 1.50 1.05 1.45 43 1.06 1.20 1.30 0.83 1.14 26 0.71 0.81 0.85 0.60 0.79 26 0.58 0.65 0.70 0.48 0.65 19 0.50 0.57 0.61 0.42 0.56 17 0.42 0.47 0.51 0.35 0.48 15 0.33 0.38 0.41 0.35 0.48 12 0.28 0.31 0.34 0.24 0.32 10 0.23 0.26 0.27 0.18 0.25
1. Please specify termination and packaging codes: ME3215-104KLC Termination: L = RoHS matte tin over nickel over silver. Special order: T = RoHS tin-silver-copper (95.5/4/0.5) or S = non-RoHS tin-lead (63/37). Packaging: C = 7 machine-ready reel. EIA-481 embossed plastic tape (2000 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 (7000 parts per full reel). 2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using Coilcraft SMD-A fixture in Agilent/HP 4284A impedance analyzer. 3. DCR measured on a micro-ohmmeter and Coilcraft CCF858 test fixture. 4. SRF measured using Agilent/HP 8753D network analyzer and Coilcraft SMD-D test fixture. 5. DC current at which the inductance drops the specified amount from its value without current. 6. Current that causes the specified temperature rise from 25C ambient. 7. Electrical specifications at 25C. Refer to Doc 362 "Soldering Surface Mount Components" before soldering.
Specifications subject to change without notice. Please check our website for latest information.
Document 432-1
Revised 10/15/08
(c) Coilcraft, Inc. 2009
Document 432-2
SMT Power Inductors - ME3215 Series
Typical L vs Current
1000
Typical L vs Frequency
1000
100
100 H 33 H 10 H
100
100 H 33 H 10 H
Inductance (H)
Inductance (H)
10
10
1 H
1
1
1 H
0.1 0.01 0.1 1 10
0.1 0.01 0.1 1 10
Current (A)
Frequency (MHz)
Current Derating
120 110
0.126 0.012 3,2 0,3
Percent of rated current
100 90 80 70 60 50 40
25C
0.098 2,5
0.098 0.008 2,5 0.2 0.061 0.006 1,55 0,15
30 20 10 0 -40 -20 Isat Irms 0 20
Recommended Land Pattern
0.035 0,90 0.05 1,27
40
60
80
100
120 140
0.12 3,05
Ambient temperature (C)
Dimensions are in
inches mm
0.10 2,54
Specifications subject to change without notice. Please check our website for latest information.
Document 432-2
Revised 10/15/08
(c) Coilcraft, Inc. 2009

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