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Document 471-1
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Shielded Power Inductors MSS1246
12 12 mm footprint; 4.6 mm high shielded inductors
Very low DCR and excellent current handling
Designers Kit C410 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 phos bronze.
Other terminations available at additional cost.
Weight: 2.3 g 2.5 g
Ambient temperature 40C to +85C with (40C rise) Irms current.
Maximum part temperature +125C (ambient + temp rise). Derating.
Storage temperature Component: 40C to +125C.
Tape and reel 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 200/7 reel; 800/13 reel; Plastic tape: 24 mm wide,
0.35 mm thick, 16 mm pocket spacing, 4.7 mm pocket depth
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
3 5 6
DCR Isat (A) Irms (A) 1. Please specify termination and packaging codes:
SRF
2 (mOhms) 4
Inductance typ 10% 20% 30% 20C 40C
1
MSS1246-105KLC
Part number (H) typ max (MHz) drop drop drop rise rise
Termination: L = RoHS compliant matte tin over
MSS1246-102ML_ 1.0 20% 5.84 6.60 100 18.4 19.4 19.9 6.00 8.00
nickel over phos bronze.
MSS1246-332ML_ 3.3 20% 12.1 13.60 51 10.16 11.24 11.76 4.80 6.30
Special order:
MSS1246-472ML_ 4.7 20% 19.1 21.3 42 8.52 9.42 9.86 4.50 6.00
T = RoHS tin-silver-copper
MSS1246-562ML_ 5.6 20% 22.1 24.6 37 7.64 8.66 9.28 4.19 5.75
(95.5/4/0.5) or S = non-RoHS
MSS1246-682ML_ 6.8 20% 24.9 27.7 33 6.52 7.34 7.82 3.80 5.20 tin-lead (63/37).
Packaging: C = 7 machine-ready reel. EIA-481
MSS1246-822ML_ 8.2 20% 27.4 30.5 31 5.98 6.80 7.34 3.55 4.87
embossed plastic tape (200 parts
MSS1246-103ML_ 10 20% 36.8 40.9 27 5.72 6.44 6.84 3.30 4.20
per full reel).
MSS1246-123ML_ 12 20% 38.9 43.3 24 5.02 5.76 6.22 3.00 3.95
B = Less than full reel. In tape, but
MSS1246-153ML_ 15 20% 48.6 54.1 22 4.58 5.24 5.54 2.85 3.80
not machine ready. To have a
MSS1246-183ML_ 18 20% 51.0 56.7 19.0 4.28 4.78 5.14 2.71 3.52
leader and trailer added ($25
charge), use code letter C
MSS1246-223ML_ 22 20% 60.3 67.0 18.0 3.76 4.24 4.50 2.50 3.40
instead.
MSS1246-273ML_ 27 20% 67.5 75.0 16.0 3.46 3.92 4.18 2.16 2.96
D = 13 machine-ready reel. EIA-481
MSS1246-333ML_ 33 20% 81.7 90.8 15.0 3.14 3.54 3.78 1.90 2.60
embossed plastic tape. Fac-
MSS1246-393ML_ 39 20% 95.2 105.8 13.3 2.72 3.14 3.38 1.73 2.39
tory order only, not stocked
MSS1246-473ML_ 47 20% 120.6 134.0 12.0 2.66 3.06 3.24 1.50 2.10
(800 parts per full reel).
MSS1246-563ML_ 56 20% 133.8 148.7 10.6 2.34 2.64 2.80 1.44 2.01
2. Inductance measured at 100 kHz, 0.1 Vrms,
0 Adc using a Coilcraft SMD- A fixture in an
MSS1246-683ML_ 68 20% 167.3 185.9 9.7 2.10 2.40 2.56 1.30 1.80
Agilent/HP 4263B LCR meter or equivalent.
MSS1246-823ML_ 82 20% 188.5 209.5 8.8 1.80 2.06 2.24 1.24 1.72
3. DCR measured on a micro-ohmmeter and a
MSS1246-104ML_ 100 20% 216.8 240.9 8.0 1.64 1.86 2.04 1.20 1.60
Coilcraft CCF858 test fixture.
MSS1246-124KL_ 120 10% 287.2 319.2 7.2 1.62 1.82 1.92 1.03 1.42
4. SRF measured using an Agilent/HP 8753D
MSS1246-154KL_ 150 10% 326.7 363.0 6.6 1.36 1.58 1.70 0.95 1.30
network analyzer and a Coilcraft SMD -D test
MSS1246-184KL_ 180 10% 379.5 421.7 5.9 1.34 1.48 1.60 0.89 1.21
fixture.
MSS1246-224KL_ 220 10% 488.2 542.5 5.3 1.18 1.30 1.40 0.76 1.00
5. DC current at 25C that causes the specified
MSS1246-274KL_ 270 10% 560.1 622.4 4.7 1.04 1.18 1.24 0.72 0.95 inductance drop from its value without current.
Click for temperature derating information..
MSS1246-334KL_ 330 10% 731.4 812.7 4.1 1.00 1.10 1.20 0.65 0.87
6. Current that causes the specified temperature rise
MSS1246-394KL_ 390 10% 813.7 904.2 3.8 0.91 1.00 1.08 0.59 0.79
from 25C ambient. This information is for reference
MSS1246-474KL_ 470 10% 935.1 1039 3.5 0.81 0.92 0.98 0.56 0.76
only and does not represent absolute maximum
MSS1246-564KL_ 560 10% 1193 1326 3.0 0.76 0.85 0.90 0.50 0.67
ratings. Click for temperature derating information.
MSS1246-684KL_ 680 10% 1370 1523 2.8 0.68 0.77 0.82 0.46 0.62
7. Electrical specifications at 25C.
MSS1246-824KL_ 820 10% 1590 1767 2.6 0.61 0.70 0.75 0.43 0.58
Refer to Doc 362 Soldering Surface Mount
MSS1246-105KL_ 1000 10% 2090 2323 2.4 0.56 0.63 0.68 0.36 0.50 Components before soldering.
Document 471-1 Revised 09/02/15
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com Coilcraft Inc. 2017
This product may not be used in medical or high
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
risk applications without prior Coilcraft approval.
China +86-21-6218 8074 sales@coilcraft.com.cn
Specification subject to change without notice.
Singapore + 65-6484 8412 sales@coilcraft.com.sg Please check web site for latest information.Document 471-2
Shielded Power Inductors MSS1246
Typical L vs Current Typical L vs Frequency
10000 10000
1000 H
1000 1000
1000 H
470 H
470 H
180 H
180 H
100 100
68 H
68 H
27 H
27 H
10 H
10 10
10 H
4.7 H
4.7 H
1 1
0.01 0.1 1 10
0.1 1 10 100
Current (A) Frequency (MHz)
0.472 0.012
12,0 0,30
Dash
123
number
Parts manufactured prior
0.472 0.012
to August 2011 may have
12,0 0,30
a different part marking.
Internal
X
code
0.181 0.008*
4,6 0,20
Recommended
LandPattern
0.197 0.008 0.217
5,0 0,20 5,5
0.138 0.016 0.157
3,5 0,40 4,0
0.197 0.016 0.335
5,0 0,40 8,5
For optional tin-lead and tin-silver-copper terminations,
*
dimensions are for the mounted part. Dimensions before
mounting can be an additional 0.012 inch (0,3 mm).
inches
Dimensions are in
mm
Document 471-2 Revised 09/02/15
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com Coilcraft Inc. 2017
This product may not be used in medical or high
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
risk applications without prior Coilcraft approval.
China +86-21-6218 8074 sales@coilcraft.com.cn
Specification subject to change without notice.
Singapore + 65-6484 8412 sales@coilcraft.com.sg Please check web site for latest information.
Inductance (H)
Inductance (H)