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Document 177-1
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SMT Power Inductors DO1608C
High energy storage and very low resistance
Defense Supply Center CID A-A-59742
Designers Kit C377 contains 3 of each stocked part
Core material Ferrite
Core and winding loss See www.coilcraft.com/coreloss
Terminations RoHS compliant electroplated gold (<50 in) over nickel
over moly-manganese. Other terminations available at additional cost.
Weight 128 164 mg
Ambient temperature 40C to +85
Maximum part temperature +125C (ambient + temp rise)
Storage temperature Component: 40C to +125C.
Tape and reel packaging: 40C to +80C
Resistance to soldering heat Max three 40 second reflows at
+260C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30C /
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 to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
5
1. Please specify tolerance, termination and packaging codes:
Irms (A)
DCR SRF
2 4
Part L % max typ Isat 20C 40C
DO1608C-105MLC
1 3
number (H) tol (Ohms) (MHz) (A) rise rise
Tolerance: K = 10%, M = 20% (Table shows stock
tolerances in bold.)
DO1608C-102ML_ 1.0 20 0.05 130 2.9 1.90 2.70
Termination: L = RoHS compliant gold over nickel over
DO1608C-152ML_ 1.5 20 0.06 115 2.6 1.90 2.65
moly-manganese.
DO1608C-222ML_ 2.2 20 0.07 100 2.3 1.85 2.55
Special order: T = RoHS tin-silver-copper
DO1608C-272ML_ 2.7 20 0.08 75 2.1 1.80 2.45
(95.5/4/0.5) or S = non-RoHS tin-lead
(63/37).
DO1608C-332ML_ 3.3 20 0.08 70 2.0 1.60 2.20
Packaging: C = 7 machine-ready reel. EIA-481 em-
DO1608C-472ML_ 4.7 20 0.09 50 1.5 1.40 1.90
bossed plastic tape (750 parts per full
DO1608C-682ML_ 6.8 20 0.13 45 1.2 1.20 1.60
reel).
DO1608C-822ML_ 8.2 20 0.16 40 1.15 1.10 1.55
B = Less than full reel. In tape, but not
DO1608C-103ML_ 10 20 0.16 35 1.10 1.10 1.50
machine ready.
To have a leader and trailer added ($25
DO1608C-153ML_ 15 20 0.23 30 0.90 0.90 1.25
charge), use code letter C instead.
DO1608C-223_L_ 22 20,10 0.37 20 0.70 0.75 0.95
D = 13 machine-ready reel. EIA-481 em-
DO1608C-333_L_ 33 20,10 0.51 15 0.58 0.60 0.80
bossed plastic tape (2500 parts per full
DO1608C-473_L_ 47 20,10 0.64 14 0.50 0.52 0.70
reel).
DO1608C-683_L_ 68 20,10 0.86 11 0.40 0.44 0.60
2. Tested at 100 kHz, 0.1 Vrms, 0 Adc using an Agilent/HP
4263B LCR meter or equivalent.
DO1608C-104_L_ 100 20,10 1.27 9.0 0.31 0.37 0.50
3. Tolerances in bold are stocked for immediate shipment
DO1608C-154_L_ 150 20,10 2.00 6.0 0.27 0.28 0.39
4. DC current at 25C that causes 10% (typ) inductance drop
DO1608C-224_L_ 220 20,10 3.11 5.5 0.22 0.23 0.31
from its value without current.
DO1608C-334_L_ 330 20,10 3.80 5.0 0.18 0.22 0.30
Click for temperature derating information.
DO1608C-474_L_ 470 20,10 5.06 4.0 0.16 0.20 0.26 5. Current that causes the specified temperature rise from
25C ambient. This information is for reference only and does
DO1608C-684_L_ 680 20,10 9.20 3.0 0.14 0.14 0.19
not represent absolute maximum ratings.
DO1608C-105_L_ 1000 20,10 13.8 2.0 0.10 0.11 0.15
Click for temperature derating information.
6. Electrical specifications at 25C.
Refer to Doc 362 Soldering Surface Mount Components before
soldering.
Document 177-1 Revised 08/16/12
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com Coilcraft Inc. 2017
This product may not be used in medical or high
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
risk applications without prior Coilcraft approval.
China +86-21-6218 8074 sales@coilcraft.com.cn
Specification subject to change without notice.
Singapore + 65-6484 8412 sales@coilcraft.com.sg Please check web site for latest information.XXX
XXX
Document 177-2
SMT Power Inductors DO1608C Series
Typical L vs Frequency Typical L vs Current
10000
10000
1000 H 1000 H
1000 1000
100 H 100 H
100 100
10 H 10 H
10
10
1H
1H
1
1
0.1
0.1
0.01 0.1 110
0.01 0.1 110
Frequency (MHz) Current (A)
0.260
max
6,60 0.050 0.055
1,27 1,40
0.140
0.175 0.090
max
4,45 2,29 3,56
0.215
0.170 0.040
min
5,46
4,32 1,02
Recommended
0.155
dia
Land Pattern
3,94
0.115
max
2,92
0.070
Dash
1,78
number
Part marking since Feb.2005.Parts manufactured
inches
prior to that date mayhavecolor dots.
Dimensions are in
mmVisit www.coilcraft.com/colrpowr.cfm
for color dot marking details.
Document 177-2 Revised 08/16/12
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com Coilcraft Inc. 2017
This product may not be used in medical or high
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
risk applications without prior Coilcraft approval.
China +86-21-6218 8074 sales@coilcraft.com.cn
Specification subject to change without notice.
Singapore + 65-6484 8412 sales@coilcraft.com.sg Please check web site for latest information.
Inductance (H)
Inductance (H)