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Document 186-1
Shielded Power Inductors – DS1608C
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.
0.260
6,60
max
0.070
1,78
0.175
4,45
max
0.115
2,92
max
0.050
1,27
0.055
1,40
Recommended
Land Pattern
0.160
4,06
0.090
2,29
0.140
3,56
Coilcraft will continue to manufacture and support
the DS1608C indefinitely. For new designs, consider
the MSS7341, MSS1038 or LPS4018 as alternatives.
These series are more cost effective and offer better
current handling. In addition, the LPS4018 is a signifi-
cantly smaller part.
0.170
4,32
min
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.cf0m2.1,9f1o25rmdaextails.
0.260
6,60
max
0.070
1,78
0.050
1,27
0.055
1,40
Recommended
Land Pattern
0.160
4,06
0.175
4,45
max
0.090
2,29
0.140
3,56
04.1,3720 min
0.040
1,02
0.270
6,86
Dash
number
Core material Ferrite
Terminations  RoHS compliant electroplated gold (<50 µin) over nickel
over moly-manganese. Other terminations available at additional cost.
Weight  144 – 167 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  750/7reel; 2500/13reel  Plastic tape:  12 mm wide,
0.28 mm thick, 4 mm pocket spacing, 3 mm pocket depth
PCB washing  Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
Part marking since Feb. 2005. Parts manufactured
prior to that date may have color dots.
Visit www.coilcraft.com/colrpowr.cfm for details.
Document 186-1  Revised 02/07/14

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Document 186-2
Shielded Power Inductors – DS1608C
Part number1
Inductance2
±20% (µH)
Percent
tolerance3
Q min
DS1608C-102_L_ 1.0 20,10 30@200 kHz
DS1608C-152_L_ 1.5 20,10 30@200 kHz
DS1608C-222_L_ 2.2 20,10 40@200 kHz
DS1608C-332_L_ 3.3 20,10 40@200 kHz
DS1608C-472_L_ 4.7 20,10 40@200 kHz
DS1608C-682_L_ 6.8 20,10 40@200 kHz
DS1608C-822_L_ 8.2 20,10 40@200 kHz
DS1608C-103_L_ 10 20,10 40@200 kHz
DS1608C-153_L_ 15 20,10 40@100 kHz
DS1608C-223_L_ 22 20,10
40 @ 100 kHz
DS1608C-333_L_ 33
DS1608C-473_L_ 47
DS1608C-683_L_ 68
DS1608C-104_L_ 100
DS1608C-154_L_ 150
20,10
20,10
20,10
20,10
20,10
40 @ 100 kHz
40 @ 100 kHz
40 @ 100 kHz
40 @ 100 kHz
40 @ 100 kHz
DS1608C-224_L_ 220
DS1608C-334_L_ 330
DS1608C-474_L_ 470
DS1608C-684_L_ 680
DS1608C-105_L_ 1000
20,10
20,10
20,10
20,10
20,10
40 @ 100 kHz
40 @ 100 kHz
40 @ 100 kHz
40 @ 100 kHz
40 @ 100 kHz
DS1608C-155_L_ 1500
DS1608C-225_L_ 2200
DS1608C-335_L_ 3300
DS1608C-475_L_ 4700
DS1608C-685_L_ 6800
20,10
20,10
20,10
20,10
20,10,5
50 @ 100 kHz
50 @ 100 kHz
50 @ 100 kHz
50 @ 100 kHz
50 @ 100 kHz
DS1608C-106_L_ 10000
20,10,5
50 @ 100 kHz
DCR max
(Ohms)
0.040
0.045
0.050
0.055
0.060
0.065
0.070
0.075
0.090
0.11
0.19
0.23
0.29
0.48
0.59
0.77
1.4
1.8
2.2
3.4
4.2
8.5
11.0
13.9
25.0
32.8
1. When ordering, please specify tolerance, termination and packaging codes:
DS1608C-106MLC
Tolerance: M = 20%, K = 10%, J = 5% (Table above shows stock tolerances in bold.)
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 = 7machine-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 = 13machine-ready reel. EIA-481 embossed plastic tape (2500 parts per full reel).
2. Inductance tested at 0.1 Vrms, 100 kHz, 0 Adc.
3. Tolerances in bold are stocked for immediate shipment.
4. DC current at which the inductance drops 30% (typ.) from its value without current.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
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
Isat4
(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
Document 186-2  Revised 02/07/14

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Document 186-3
Shielded Power Inductors – DS1608C
Typical L vs Frequency
Typical L vs Current
100000
100000
10000
10000 µH
10000
10000 µH
1000
100
10
1
1000 µH
100 µH
10 µH
1 µH
1000
100
10
1
1000 µH
100 µH
10 µH
1 µH
0.1
0.01
0.1 1
Frequency (MHz)
10
Irms Derating
120
110
100
90
80
70
60
50
40
30
20
10
0
-40
-20
0 20 40 60 80 100 120 140
Ambient temperature (°C)
0.1
0.01
0.1 1
Current (A)
10
Document 186-3  Revised 02/07/14