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Shielded Power Inductors MSS7331
7.0 7.0 mm footprint; 3.1 mm high shielded inductors
Low DCR and excellent current handling
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 0.48 0.51 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 350/7 reel, 1500/13 reel; Plastic tape: 16 mm wide,
0.35 mm thick, 12 mm pocket spacing, 3.7 mm pocket depth
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
4 5 1. Please specify termination and packaging codes:
DCR Isat (A) Irms (A)
SRF
(Ohms)
2 3
Inductance typ 10% 20% 30% 20C 40C
MSS7331-104MLC
1
Part number (H) typ max (MHz) drop drop drop rise rise
Termination: L = RoHS compliant gold over
MSS7331-152NL_ 1.5 30% 0.009 0.012 80.0 3.5 4.4 5.1 4.8 6.9 nickel over phos bronze
Special order:
MSS7331-302NL_ 3.0 30% 0.014 0.020 55.0 2.3 3.0 3.5 4.2 6.0
T = RoHS tin-silver-copper
MSS7331-392NL_ 3.9 30% 0.017 0.023 45.0 2.2 2.8 3.2 4.1 5.7
(95.5/4/0.5) over tin over nickel
MSS7331-502ML_ 5.0 20% 0.022 0.030 40.0 2.0 2.4 2.8 3.3 4.5
over phos bronze or
MSS7331-602ML_ 6.0 20% 0.025 0.033 38.0 1.8 2.2 2.6 3.4 4.6
S = non-RoHS tin-lead (63/37)
over tin over nickel over phos
MSS7331-732ML_ 7.3 20% 0.035 0.045 35.0 1.8 2.2 2.5 2.8 3.8
bronze.
MSS7331-862ML_ 8.6 20% 0.038 0.048 33.5 1.6 2.0 2.2 2.5 3.4
Packaging: C = 7 machine-ready reel EIA-
MSS7331-103ML_ 10 20% 0.046 0.052 30.0 1.4 1.7 1.9 2.4 3.2
481 embossed plastic tape (350
MSS7331-123ML_ 12 20% 0.058 0.066 26.0 1.3 1.6 1.7 2.1 2.8
per full reel).
MSS7331-153ML_ 15 20% 0.067 0.075 24.0 1.2 1.4 1.6 2.0 2.7
B = Less than full reel In tape,
but not machine-ready. To have
MSS7331-183ML_ 18 20% 0.071 0.088 22.0 1.1 1.3 1.4 1.9 2.6
a leader and trailer added
MSS7331-223ML_ 22 20% 0.095 0.113 21.0 0.98 1.2 1.3 1.6 2.2
($25 charge), use code letter C
MSS7331-273ML_ 27 20% 0.105 0.132 17.0 0.89 1.1 1.2 1.5 2.0
instead.
MSS7331-333ML_ 33 20% 0.123 0.150 16.0 0.80 0.97 1.1 1.4 1.9
D = 13 machine-ready reel EIA-
MSS7331-393ML_ 39 20% 0.161 0.180 14.5 0.70 0.86 0.96 1.2 1.6
481 embossed plastic tape.
Factory order only, not stocked
MSS7331-473ML_ 47 20% 0.180 0.215 12.5 0.67 0.80 0.89 1.2 1.6
(1500 per reel per full reel).
MSS7331-563ML_ 56 20% 0.240 0.270 11.5 0.61 0.72 0.80 1.0 1.4
2. Inductance tested at 100 kHz, 0.1 Vrms, 0 Adc using
MSS7331-683ML_ 68 20% 0.273 0.300 10.5 0.55 0.66 0.74 0.92 1.2
an Agilent/HP 4284A LCR meter or equivalent.
MSS7331-823ML_ 82 20% 0.304 0.370 9.5 0.52 0.60 0.67 0.84 1.2
3. For SRF >13 MHz, SRF measured using an Agilent/
MSS7331-104ML_ 100 20% 0.419 0.495 8.5 0.45 0.54 0.61 0.79 1.1 HP 8753D network Analyzer or equivalent. For
SRF <13 MHz, SRF measured using an Agilent/
HP 4192A or equivalent.
4. DC current at 25C that causes the specified
inductance drop from its value without current.
Click for temperature derating information.
5. Current that causes the specified temperature rise
from 25C ambient. This information is for reference
only and does not represent absolute maximum
ratings. Click for temperature derating information.
6. Electrical specifications at 25C.
Refer to Doc 362 Soldering Surface Mount Components
before soldering.
US +1-847-639-6400 sales@coilcraft.com
Document 1097-1 Revised 09/02/15
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 1097-2
Shielded Power Inductors MSS7331
Typical L vs Current Typical L vs Frequency
1000 1000
100 H
100 H
100 100
39 H
39 H
10 H
10 H
10 10
3.9 H
3.9 H
1.5 H
1.5 H
1 1
0.01 0.1 1.0 10 0.1 1 10 100
Current (A) Frequency (MHz)
0.287
*
7,3
Dash number
0.287 123
*
Internal code
7,3
X
Dimensions are of the case not
*
including the termination. For
maximum overall dimensions
including the termination, add
0.02 in / 0,51 mm.
0.122
max
3,1
0.260
0.280
typ
6,6
7,1
0.083
typ
2,1
0.099
2,5
0.260 0.280
typ
6,6 7,1
0.222
5,65
Recommended
Land Pattern
inches
Dimensions are in
mm
US +1-847-639-6400 sales@coilcraft.com
Document 1097-2 Revised 09/02/15
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)