Document 186-1
SMT Power Inductors - DS1608C Series
These shielded inductors can help achieve significantly
longer battery life in handheld devices and other portable
products.
They offer high efficiency and small size. Their flat top and
heat resistant materials ensure trouble-free assembly
and reflow operations.
For new designs, consider the MSS7341, MSS1038 or
LPS4018 as alternatives to this series. These series are
more cost effective and offer better current handling. In
addition, the LPS4018 is a significantly smaller part. We
will continue to manufacture and support the DS1608C
indefinitely.
Part
number
1
DS1608C-102ML_
DS1608C-152ML_
DS1608C-222ML_
DS1608C-332ML_
DS1608C-472ML_
DS1608C-682ML_
DS1608C-822ML_
DS1608C-103ML_
DS1608C-153ML_
DS1608C-223ML_
DS1608C-333ML_
DS1608C-473ML_
DS1608C-683ML_
DS1608C-104ML_
DS1608C-154ML_
DS1608C-224ML_
DS1608C-334ML_
DS1608C-474ML_
DS1608C-684ML_
DS1608C-105ML_
DS1608C-155ML_
DS1608C-225ML_
DS1608C-335ML_
DS1608C-475ML_
DS1608C-685ML_
DS1608C-106ML_
L ±20%
2
(µH)
1.0
1.5
2.2
3.3
4.7
6.8
8.2
10
15
22
33
47
68
100
150
220
330
470
680
1000
1500
2200
3300
4700
6800
10000
DCR
max
Q min
(Ohms)
30 @ 200 kHz 0.040
30 @ 200 kHz 0.045
40 @ 200 kHz 0.050
40 @ 200 kHz 0.055
40 @ 200 kHz 0.060
40 @ 200 kHz 0.065
40 @ 200 kHz 0.070
40 @ 200 kHz 0.075
40 @ 100 kHz 0.090
40 @ 100 kHz 0.11
40 @ 100 kHz 0.19
40 @ 100 kHz 0.23
40 @ 100 kHz 0.29
40 @ 100 kHz 0.48
40 @ 100 kHz 0.59
40 @ 100 kHz 0.77
40 @ 100 kHz 1.4
40 @ 100 kHz 1.8
40 @ 100 kHz 2.2
40 @ 100 kHz 3.4
50 @ 100 kHz 4.2
50 @ 100 kHz 8.5
50 @ 100 kHz 11.0
50 @ 100 kHz 13.9
50 @ 100 kHz 25.0
50 @ 100 kHz 32.8
SRF
typ
(MHz)
250
125
120
120
105
50
42
38
33
25
20
20
15
10
9
6
5
4
3
2
2
2
1
1
1
0.8
1. When ordering, please specify
termination
and
packaging
codes:
Isat
3
(A)
1.4
0.93
0.92
0.75
0.58
0.58
0.47
0.37
0.31
0.30
0.30
0.24
0.17
0.13
0.10
0.10
0.07
0.06
0.055
0.045
0.035
0.028
0.024
0.021
0.019
0.017
DS1608C-106MLC
Termination: L
= RoHS compliant gold over nickel over moly-manganese
Special order: T
= RoHS tin-silver-copper (95.5/4/0.5)
or
S
= non-RoHS tin-lead (63/37).
Packaging: C
= 7″ machine-ready reel. EIA-481 embossed plastic
tape (750 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 (2500 parts per full reel).
2. Inductance tested at 0.1 Vrms, 100 kHz, 0 Adc.
3. DC current at which the inductance drops 30% (typ.) from its value
without current.
4.
Ambient temperature range:
–40°C to +85°C
5.
Storage temperature range:
Component: –40°C to +85°C
Packaging: –55°C to +80°C
6.
Resistance to soldering heat:
Three reflows at >217°C for 90 seconds
(+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room
temperature between.
7. Electrical specifications at 25°C.
See Qualification Standards section for environmental and test data.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Specifications subject to change without notice.
Please check our website for latest information.
Document 186-1
Revised 09/20/07
© Coilcraft, Inc. 2007
Document 186-2
SMT Power Inductors - DS1608 Series
Typical L vs Frequency
100000
10000 µH
Typical L vs Current
100000
10000
10000 µH
10000
Inductance (µH)
Inductance (µH)
1000
1000 µH
1000
1000 µH
100
100 µH
100
100 µH
10 µH
10
1 µH
10
10 µH
1
1
1 µH
0.1
0.01
0.1
1
10
0.1
0.01
0.1
1
10
Frequency (MHz)
Current (A)
0.115
max
2,92
0.260 max
6,60
0.070
1,78
Recommended
Land Pattern
0.050
1,27
0.090
2,29
0.055
1,40
0.160
4,06
0.140
3,56
0.175 max
4,45
0.170 min
4,32
0.040
1,02
0.270
6,86
Dash
number
Part marking since Feb. 2005. Parts manufactured
prior to that date may have color dots.
Visit www.coilcraft.com/colrpowr.cfm for details.
Weight:
144 – 167 mg
Terminations:
Gold over nickel over moly-manganese
Tape and reel:
750/7″ reel; 2500/13″ reel 12 mm tape width
For packaging data see Tape and Reel Specifications section.
XXX
Specifications subject to change without notice.
Please check our website for latest information.
Document 186-2
Revised 09/20/07
© Coilcraft, Inc. 2007
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