Document 329 -1
SMT Power Inductors - MSS4020 Series
These magnetically shielded power inductors are the
smallest of our MSS families, measuring only 4 mm square
and 2 mm high. They were developed for applications with
limited board space or where height is a factor.
They are ideal for use in DC-DC converters, LCD panels,
and portable devices where low cost and high reliabilty are
critical. These parts feature high SRFs and have excellent
current handling capabilities for their size. They are avail-
able in 18 inductance values from 3.3 µH to 100 µH.
In addition to the standard values shown, Coilcraft can
custom-engineer versions to meet specific applications.
Coilcraft
Designer’s Kit C181
contains samples of all
values shown. To order, contact Coilcraft or purchase
on-line at
http://order.coilcraft.com.
L
Part
number
1
MSS4020-332MX_
MSS4020-472MX_
MSS4020-562MX_
MSS4020-682MX_
MSS4020-822MX_
MSS4020-103MX_
MSS4020-123MX_
MSS4020-153MX_
MSS4020-183MX_
MSS4020-223MX_
MSS4020-273MX_
MSS4020-333MX_
MSS4020-393MX_
MSS4020-473MX_
MSS4020-563MX_
MSS4020-683MX_
MSS4020-823MX_
MSS4020-104MX_
±20%
2
(µH)
DCR
SRF
3
max
typ
(Ohms) (MHz)
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
109.0
93.0
85.0
75.0
70.0
63.0
55.0
50.0
42.0
38.0
35.0
28.0
30.0
28.0
22.0
18.0
17.0
15.0
Isat
4
Irms
5
(A)
(A)
1.10
0.80
0.73
0.66
0.60
0.54
0.50
0.44
0.40
0.36
0.32
0.30
0.27
0.25
0.23
0.20
0.19
0.17
1.10
0.80
0.73
0.66
0.60
0.54
0.50
0.44
0.40
0.36
0.32
0.30
0.27
0.25
0.23
0.20
0.19
0.17
1. When ordering, please specify
packaging
code:
MSS4020-104MXD
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 4284A impedance analyzer.
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 20% (typ) from its value
without current.
5. Average current for a 15°C (max) rise above 25°C ambient.
6. Storage and ambient operating temperature range
−40°C
to +85°C.
7. Electrical specifications at 25°C.
See Qualification Standards section for environmental and test data.
3.3
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
Specifications subject to change without notice.
Please check our website for latest information. Document 329-1
Revised 12/28/04
Document 329-2
SMT Power Inductors - MSS4020 Series
Typical L vs Frequency
1000
Typical L vs Current
1000
100 µH
100
100
22 µH
10
3.3 µH
100 µH
Inductance (µH)
Inductance (µH)
22 µH
10
3.3 µH
1
1
0.1
0.01
0.1
1
10
0.1
0.1
1
10
Frequency (MHz)
Current (A)
0.043
typ
1,1
0.059
1,5
0.031
typ
0,8
0.205
5,2
0.094
2,4
0.158 ±0.012
4,0 ±0,3
0.158 ±0.012
4,0 ±0,3
0.079
max
2,0
0.173
typ
4,4
Recommended
Land Pattern
Terminations:
Copper/tin over phos bronze
Tape and reel:
2000/13″ reel 8 mm tape width:
For packaging data see Tape and Reel Specifications section.
Specifications subject to change without notice.
Please check our website for latest information. Document 329-2
Revised 12/28/04
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