Document 329 -1
Shielded Power Inductors – MSS4020
• 4 × 4 mm footprint; 2 mm high shielded inductors
• Low DCR and excellent current handling
Designer’s Kit C381
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:
81.0 – 87.8 mg
Ambient temperature
–40°C to +85°C with
Irms
current, +85°C to
+125°C with derated current
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
2000/13″ reel; Plastic tape: 12 mm wide, 0.3 mm thick,
8 mm pocket spacing, 2.2 mm pocket depth
PCB washing
Tested with pure water or alcohol only. For other solvents,
see Doc787_PCB_Washing.pdf
Part number
1
MSS4020-332ML_
MSS4020-472ML_
MSS4020-562ML_
MSS4020-682ML_
MSS4020-822ML_
MSS4020-103ML_
MSS4020-123ML_
MSS4020-153ML_
MSS4020-183ML_
MSS4020-223ML_
MSS4020-273ML_
MSS4020-333ML_
MSS4020-393ML_
MSS4020-473ML_
MSS4020-563ML_
MSS4020-683ML_
MSS4020-823ML_
MSS4020-104ML_
Inductance
2
±20% (µH)
3.3
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
DCR max
(Ohms)
0.085
0.115
0.130
0.175
0.190
0.210
0.280
0.330
0.360
0.480
0.560
0.620
0.820
0.930
1.200
1.330
1.500
2.100
SRF typ
3
(MHz)
109.0
93.0
85.0
75.0
70.0
63.0
55.0
50.0
42.0
38.0
35.0
31.0
28.5
28.0
22.0
18.0
17.0
15.0
10% drop
0.94
0.73
0.70
0.65
0.61
0.50
0.47
0.45
0.40
0.39
0.30
0.29
0.28
0.25
0.23
0.20
0.18
0.15
(A)
4
20% drop
1.10
0.87
0.82
0.76
0.71
0.60
0.55
0.53
0.47
0.45
0.36
0.34
0.32
0.28
0.27
0.24
0.21
0.18
2
Isat
30% drop
1.20
0.95
0.89
0.83
0.77
0.67
0.60
0.58
0.52
0.49
0.39
0.38
0.36
0.31
0.29
0.26
0.23
0.20
Irms
(A)
5
20°C rise 40°C rise
1.25
1.60
1.10
1.50
1.05
1.40
0.96
1.30
0.89
1.20
0.86
1.15
0.75
1.00
0.71
0.95
0.67
0.85
0.60
0.80
0.54
0.71
0.50
0.67
0.44
0.58
0.42
0.56
0.35
0.47
0.32
0.43
0.30
0.40
0.27
0.36
1. When ordering, please specify
termination
and
packaging
codes:
MSS4020-104MLD
Termination: L
= RoHS compliant matte tin over nickel over phos bronze.
Special order: T
= RoHS tin-silver-copper
(95.5/4/0.5) or
S
= non-RoHS tin-lead (63/37).
Packaging: D
= 13″ 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 D instead.
2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using a Coilcraft
SMD-A fixture in an Agilent/HP 4263B LCR meter or equivalent.
3. SRF measured using an Agilent/HP 8753D network analyzer and a
Coilcraft SMD-D test fixture.
4. DC current at which the inductance drops the specified amount from its
value without current.
5. Current that causes the specified temperature rise from 25°C ambient.
6. 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 329-1
Revised 11/09/10
© Coilcraft Inc. 2013
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.
Document 329-2
Shielded Power Inductors – MSS4020
Typical L vs Current
1000
Typical L vs Frequency
1000
Inductance (µH)
100
Inductance (µH)
100 µH
100
22 µH
10
3.3 µH
100 µH
22 µH
10
3.3 µH
1
0.1
1
10
1
0.01
0.1
1
10
Current (A)
Frequency (MHz)
Current Derating
120
110
100
Percent of rated
I
rms
90
80
70
60
50
40
30
20
10
0
-40
-20
0
20
40
60
80
100
120 140
Ambient temperature (°C)
25°C
0.059
1,5
0.031
typ
0,8
0.150
3,8
0.158 ±0.012
4,0 ±0,3
0.055
1,4
0.158 ±0.012
4,0 ±0,3
inches
mm
0.079
max
2,0
0.173
typ
4,4
Recommended
Land Pattern
Dimensions are in
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 329-2
Revised 11/09/10
© Coilcraft Inc. 2013
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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