Document 378-1
SMT Power Inductors–Series MSS1038
The MSS1038 series provides very high efficiency and
excellent current handling capability in a rugged, low cost
part. The magnetic shielding, small footprint and low profile
allow high density mounting. The flat top ensures reliable
pick and place handling.
These inductors are ideal for use in DC-DC converters,
LCD panels, and portable devices where low cost and high
reliability are critical. They are available in 30 inductance
values from 1.5 µH to 1000 µH.
Free evaluation samples are available by contacting Coil-
craft or on the web at
www.coilcraft.com.
Part number
1
MSS1038-152NX_
MSS1038-252NX_
MSS1038-382NX_
MSS1038-522NX_
MSS1038-702NX_
MSS1038-103NX_
MSS1038-123NX_
MSS1038-153NX_
MSS1038-183NX_
MSS1038-223NX_
MSS1038-273NX_
MSS1038-333NX_
MSS1038-393NX_
MSS1038-473NX_
MSS1038-563NX_
MSS1038-683NX_
MSS1038-823NX_
MSS1038-104NX_
MSS1038-124NX_
MSS1038-154NX_
MSS1038-184NX_
MSS1038-224NX_
MSS1038-274NX_
MSS1038-334NX_
MSS1038-394NX_
MSS1038-474NX_
MSS1038-564NX_
MSS1038-684NX_
MSS1038-824NX_
MSS1038-105NX_
Irms
(A)
5
L
2
DCR
SRF
±30%
max
typ
3
Isat
4
20°C 40°C
(µH) (mOhms) (MHz) (A) rise rise
1.5
8.1
81
8.30 5.60 7.85
2.5
10.0
61
7.50 4.65 6.65
3.8
13.0
45
6.00 4.25 6.05
5.2
22.0
37
5.50 3.60 5.10
7.0
27.0
33
4.80 3.10 4.35
10.0
35.0
29
4.40 2.90 4.05
12.0
41.0
25
4.02 2.85 4.00
15.0
50.0
21
3.60 2.70 3.80
18.0
65.0
18
3.20 2.25 3.35
22.0
73.0
15
2.90 1.90 2.85
27.0
89.0
15
2.54 1.65 2.35
33.0
93.0
13
2.30 1.60 2.30
39.0
112.0
12
2.20 1.55 2.25
47.0
128.0
11
2.10 1.45 2.20
56.0
180.0
11
1.92 1.40 1.85
68.0
213.0
10
1.50 1.15 1.75
82.0
261.0
8
1.40 1.09 1.50
100.0
304.0
6
1.35 1.05 1.45
120.0
380.0
6
1.23 0.85 1.25
150.0
506.0
6
1.15 0.80 1.20
180.0
582.0
5
1.05 0.71 0.98
220.0
756.0
5
0.92 0.70 0.97
270.0
926.0
4
0.83 0.65 0.86
330.0 1090.0
4
0.70 0.50 0.69
390.0 1141.0
4
0.64 0.49 0.65
470.0 1243.0
3
0.58 0.45 0.63
560.0 1696.0
3
0.53 0.43 0.59
680.0 1926.0
3
0.48 0.36 0.50
820.0 2596.0
3
0.44 0.34 0.47
1000.0 2853.0
3
0.40 0.33 0.45
1. When ordering, please specifypackaging code:
MSS1038-105NXC
Packaging: C
= 7″ machine-ready reel. EIA-481 embossed plastic
tape (250 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 C instead.
D
= 13″ machine-ready reel. EIA-481 embossed plastic
tape (1000 parts per full reel).
Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc.
SRF measured using an Agilent/HP 4192A or equivalent.
DC current at which the inductance drops 35% max from its value
without current.
Average current for temperature rise from 25°C ambient.
Operating temperature range –40°C to +85°C.
Electrical specifications at 25°C.
2.
3.
4.
5.
6.
7.
Specifications subject to change without notice.
Please check our website for latest information.
Document 378-1
Revised 01/06/05
© Coilcraft, Inc. 2005
Document 378-2
SMT Power Inductors – Series MSS1038
Typical L vs Frequency
10000
Typical L vs Current
10000
1000
1000 µH
1000
1000 µH
Inductance (µH)
270 µH
100 µH
Inductance (µH)
270 µH
100 µH
100
100
27 µH
27 µH
10
10 µH
10
10 µH
1.5 µH
1.5 µH
1
0.01
0.1
1
10
1
0.01
0.1
1
10
Frequency (MHz)
Current (A)
Current Derating
0.402 ±0.008
10,2 ±0,2
XXX
0.394 ±0.008
10,0 ±0,2
0.150 ±0.008
3,8 ±0,2
Recommended
Land Pattern
0.14
3,56
0.118 ±0.008
3,0 ±0,2
0.303 ±0.008
7,7 ±0,2
0.30
7,62
0.047 ±0.008
1,2 ±0,2
0.07
1,78
Terminations:
Nickel/tin over copper
Weight:
1.5 g
Tape and reel:
250/7″ reel; 1000/13″ reel 24 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 378-2
Revised 01/06/05
© Coilcraft, Inc. 2005
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