Document 177-1
SMT Power Inductors – DO1608C
• High energy storage and very low resistance
• Defense Supply Center CID A-A-59742
Designer’s Kit C377
contains 3 of each stocked part
Core material
Ferrite
Core and winding loss
See www.coilcraft.com/coreloss
Terminations
RoHS compliant gold over nickel over moly-manganese.
Other terminations available at additional cost.
Weight
128 – 164 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
750/7″ reel; 2500/13″ reel Plastic tape: 12 mm wide,
0.28 mm thick, 4 mm pocket spacing, 3 mm pocket depth
PCB washing
Tested with pure water or alcohol only. For other solvents,
see Doc787_PCB_Washing.pdf.
Part
number
1
L
2
(µH)
%
tol
3
20
20
20
20
20
20
20
20
20
20
20,10
20,10
20,10
20,10
20,10
20,10
20,10
20,10
20,10
20,10
20,10
Irms
(A)
5
DCR
SRF
max
typ
Isat
4
20°C 40°C
(Ohms) (MHz) (A)
rise rise
0.05
0.06
0.07
0.08
0.08
0.09
0.13
0.16
0.16
0.23
0.37
0.51
0.64
0.86
1.27
2.00
3.11
3.80
5.06
9.20
13.8
130
115
100
75
70
50
45
40
35
30
20
15
14
11
9.0
6.0
5.5
5.0
4.0
3.0
2.0
2.9
2.6
2.3
2.1
2.0
1.5
1.2
1.15
1.10
0.90
0.70
0.58
0.50
0.40
0.31
0.27
0.22
0.18
0.16
0.14
0.10
1.90
1.90
1.85
1.80
1.60
1.40
1.20
1.10
1.10
0.90
0.75
0.60
0.52
0.44
0.37
0.28
0.23
0.22
0.20
0.14
0.11
2.70
2.65
2.55
2.45
2.20
1.90
1.60
1.55
1.50
1.25
0.95
0.80
0.70
0.60
0.50
0.39
0.31
0.30
0.26
0.19
0.15
1. Please specify
tolerance, termination
and
packaging
codes:
DO1608C-105MLC
Tolerance: K
= 10%, M = 20% (Table 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
= 7″ machine-ready reel. EIA-481 em-
bossed 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 em-
bossed plastic tape (2500 parts per full
reel).
2. Tested at 100 kHz, 0.1 Vrms, 0 Adc using an Agilent/HP
4263B LCR meter or equivalent.
3. Tolerances in bold are stocked for immediate shipment
4. DC current at which the inductance drops 10% (typ) 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.
DO1608C-102ML_
1.0
DO1608C-152ML_
1.5
DO1608C-222ML_
2.2
DO1608C-272ML_
2.7
DO1608C-332ML_
3.3
DO1608C-472ML_
4.7
DO1608C-682ML_
6.8
DO1608C-822ML_
8.2
DO1608C-103ML_
10
DO1608C-153ML_
15
DO1608C-223_L_
22
DO1608C-333_L_
33
DO1608C-473_L_
47
DO1608C-683_L_
68
DO1608C-104_L_
100
DO1608C-154_L_
150
DO1608C-224_L_
220
DO1608C-334_L_
330
DO1608C-474_L_
470
DO1608C-684_L_
680
DO1608C-105_L_ 1000
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 177-1
Revised 08/16/12
© 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 177-2
SMT Power Inductors – DO1608C Series
Typical L vs Frequency
10000
1000 µH
Typical L vs Current
10000
1000 µH
1000
1000
Inductance (µH)
100
100 µH
Inductance (µH)
100
100 µH
10
10 µH
10
10 µH
1
1 µH
1
1 µH
0.1
0.01
0.1
1
10
0.1
0.01
0.1
1
10
Frequency (MHz)
Current (A)
Irms Derating
120
110
100
0.175 max
4,45
0.260 max
6,60
0.050
1,27
0.090
2,29
0.055
1,40
0.140
3,56
0.215
5,46
Percent of rated
I
rms
90
80
70
60
50
40
0.115
max
2,92
0.170 min
4,32
0.155
3,94 dia
XXX
0.070
1,78
0.040
1,02
Recommended
Land Pattern
25°C
30
20
10
0
-40
-20
0
20
Dash
number
XXX
40
60
80
100
120 140
Ambient temperature (°C)
Part marking since Feb. 2005. Parts manufactured
prior to that date may have color dots.
inches
www.coilcraft.com/colrpowr.cfm
Visit
Dimensions are in
mm
for color dot marking details.
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 177-2
Revised 08/16/12
© 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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