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Document 432 -1
SMT Power Inductors – ME3215
• Low profile, small footprint power inductor
• 2.5 × 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 tin-silver over tin over nickel over
silver. Other terminations available at additional cost.
Weight
46 – 48 mg
Ambient temperature
–40°C to +85°C with
Irms
current
Maximum part temperature
+125°C (ambient + temp rise)
Storage temperature
Component: –40°C to +125°C
Tape and reel 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; 7000/13″ reel Plastic tape: 12 mm wide,
0.25 mm thick, 4 mm pocket spacing, 2.25 mm pocket depth
PCB washing
Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See
Doc787_PCB_Washing.pdf.
DCR
Inductance
2
max
3
Part number
1
(µH)
(Ohms)
ME3215-102ML_ 1.0 ±20% 0.058
ME3215-222ML_ 2.2 ±20% 0.107
ME3215-332ML_ 3.3 ±20% 0.170
ME3215-472ML_ 4.7 ±20% 0.245
ME3215-103KL_ 10 ±10%
0.505
ME3215-153KL_ 15 ±10%
0.773
ME3215-223KL_ 22 ±10%
1.00
ME3215-333KL_ 33 ±10%
1.48
ME3215-473KL_ 47 ±10%
2.33
ME3215-683KL_ 68 ±10%
3.40
ME3215-104KL_ 100 ±10%
4.67
SRF
typ
4
(MHz)
100
64
55
43
26
26
19
17
15
12
10
Isat
(A)
5
10% 20% 30%
drop drop drop
2.32 2.62 2.80
1.62 1.84 2.00
1.22 1.40 1.50
1.06 1.20 1.30
0.71 0.81 0.85
0.58 0.65 0.70
0.50 0.57 0.61
0.42 0.47 0.51
0.33 0.38 0.41
0.28 0.31 0.34
0.23 0.26 0.27
Irms
(A)
6
20°C 40°C
rise rise
1.70 2.30
1.30 1.70
1.05 1.45
0.83 1.14
0.60 0.79
0.48 0.65
0.42 0.56
0.35 0.48
0.35 0.48
0.24 0.32
0.18 0.25
1. Please specify
termination
and
packaging
codes:
ME3215-104KLC
Termination: L
= RoHS tin-silver over 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 us-
ing Coilcraft SMD-A fixture in Agilent/HP 4284A imped-
ance analyzer.
3. DCR measured on a micro-ohmmeter and Coilcraft
CCF858 test fixture.
4. SRF measured using Agilent/HP 8753D network ana-
lyzer 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
25°C ambient.
7. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components”
before soldering.
US
+1-847-639-6400 sales@coilcraft.com
UK
+44-1236-730595 sales@coilcraft-europe.com
Taiwan
+886-2-2264 3646 sales@coilcraft.com.tw
China
+86-21-6218 8074 sales@coilcraft.com.cn
Singapore
+ 65-6484 8412 sales@coilcraft.com.sg
Document 432-1
Revised 06/07/172
© Coilcraft Inc. 2017
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.
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