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Document 380-1
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SMT Power Inductor - ME3220 Series
The ME3220 power inductor is a low profile, small footprint part designed for use in notebook computers and handheld products. With a base dimension of only 2,5 x 3,2 mm, these inductors require very little pc board space. While only 2,5 mm high they can handle up to 2.7 A saturating current. The square, flat top provides an excellent surface for pick and place handling. They are available in 21 inductance values from 1.0 to 100 H with all above 8.2 H at 10% tolerance. Coilcraft Designer's Kit C386 contains samples of all values shown. To order, contact Coilcraft or purchase online at http://order.coilcraft.com.
Part number1
ME3220-102ML_ ME3220-152ML_ ME3220-222ML_ ME3220-332ML_ ME3220-472ML_ ME3220-562ML_ ME3220-682ML_ ME3220-822ML_ ME3220-103KL_ ME3220-123KL_ ME3220-153KL_ ME3220-183KL_ ME3220-223KL_ ME3220-273KL_ ME3220-333KL_ ME3220-393KL_ ME3220-473KL_ ME3220-563KL_ ME3220-683KL_ ME3220-823KL_ ME3220-104KL_
Inductance2 (H)
1.0 20% 1.5 20% 2.2 20% 3.3 20% 4.7 20% 5.6 20% 6.8 20% 8.2 20% 10 10% 12 10% 15 10% 18 10% 22 10% 27 10% 33 10% 39 10% 47 10% 56 10% 68 10% 82 10% 100 10%
DCR max3 (Ohms)
0.058 0.068 0.104 0.138 0.190 0.200 0.270 0.290 0.434 0.470 0.520 0.696 0.787 1.19 1.27 1.38 1.80 2.10 2.30 3.00 3.50
SRF typ4 (MHz)
550.0 525.0 500.0 480.0 455.0 420.0 389.0 365.0 335.0 300.0 286.0 250.0 220.0 180.0 150.0 135.0 120.0 110.0 100.0 95.0 85.0
1. When ordering, please specify packaging code:
Isat5 (A)
2.7 2.2 1.8 1.3 1.2 1.1 1.0 0.90 0.80 0.75 0.70 0.64 0.58 0.52 0.47 0.43 0.39 0.36 0.33 0.30 0.27
2. 3. 4. 5. 6. 7.
ME3220-104KLC 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 (7000 parts per full reel). Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using Coilcraft SMDA fixture in Agilent/HP 4284A impedance analyzer. DCR measured on a micro-ohmmeter and Coilcraft CCF858 test fixture. SRF measured using Agilent/HP 8753D network analyzer and Coilcraft SMD-D test fixture. DC current at which the inductance drops 15% (typ) from its value without current. Operating temperate range -40C to +85C. Electrical specifications at 25C.
Specifications subject to change without notice. Please check our website for latest information.
Document 380-1
Revised 01/27/05
(c) Coilcraft, Inc. 2005
Document 380-2
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SMT Power Inductor - ME3220 Series
Typical L vs Frequency
1000
Typical L vs Current
1000
100
100 H
100
33 H 10 H 3.3 H 1 H
100 H 33 H 10 H
Inductance (H)
10
Inductance (H)
10
3.3 H 1 H
1
1
0.1 0.01 0.1 1 10
0.1 0.01 0.1 1 10
Frequency (MHz)
Current (A)
0.126 0.012 3,2 0,3
Typical Temperature Rise vs Current
50
Temperature rise (from 25C)
100 H
40
33 H
10 H
3.3 H
0.110 max 2,8
30
0.098 0.008 2,5 0.2
20
0.079 0.016 2,0 0,4 0.150 3,81
10
0 0 0.5 1.0 1.5 2.0 2.5 3.0
1. 0
H
Current (A rms)
0.043 1,10
0.060 1,52
Current Derating
+20
0.098 2,5
0.120 3,05
Change in rated current (%)
+10 0 -10 -20 -30 -40 -40
Recommended Land Pattern
Terminations: Nickel/tin over silver Tape and reel: 2000/7 reel; 7000/13 reel 8 mm tape width For packaging data see Tape and Reel Specifications section.
-20
0
20
25C
40
60
80
100
120 140
Ambient temperature (C)
Specifications subject to change without notice. Please check our website for latest information. Document 380-2 Revised 02/07/05
(c) Coilcraft, Inc. 2005

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