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Document 479-1
SMT Power Inductors – DO5040Hwww.DataSheet4U.com
DCR SRF4
Inductance2 max typ Isat4 Irms5
Part number1
(µH) (mOhms) (MHz) (A) (A)
DO5040H-282ML_
DO5040H-392ML_
DO5040H-682ML_
DO5040H-103ML_
DO5040H-123ML_
2.8 ±20%
3.9 ±20%
6.8 ±20%
10 ±20%
12 ±20%
5.2 65 33.4 12.1
6.0 40 26.8 11.2
9.0 30 22.5 9.6
11 22 17.8 8.6
13 21 15.9 7.4
DO5040H-153ML_
DO5040H-183ML_
DO5040H-223ML_
DO5040H-333ML_
DO5040H-473ML_
15 ±20%
18 ±20%
22 ±20%
33 ±20%
47 ±20%
20 18 13.8 6.5
22 14 13.2 6.0
24 13 11.8 5.7
37 10 9.6 4.5
52 8.0 7.8 3.7
DO5040H-683ML_
DO5040H-104ML_
DO5040H-334KL_
DO5040H-684KL_
DO5040H-145KL_
68 ±20%
100 ±20%
330 ±10%
680 ±10%
1400 ±10%
67
115
325
780
1300
7.0 6.7 3.4
6.0 5.6 2.8
3.0 3.0 1.5
1.6 2.0 1.1
1.0 1.5 0.7
• Heavy gauge wire and self-leaded terminations for low DCR
• Saturation current ratings as high as 33.4 A
Core material Ferrite
Core and winding loss See www.coilcraft.com/coreloss
Terminations RoHS compliant tin-silver over copper. Other
terminations available at additional cost.
Weight 5.8 – 7.6 g (2.8 –12 µH); 5.7 – 7.0 g (15 –1400 µH)
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.
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 175 per 13reel
2.8 –12 µH parts Plastic tape: 44 mm wide, 0.5 mm thick,
24 mm pocket spacing, 12.8 mm pocket depth
15 –1400 µH parts Plastic tape: 32 mm wide, 0.4 mm thick,
24 mm pocket spacing, 12.1 mm pocket depth
PCB washing Only pure water or alcohol recommended
1. When ordering, please specify termination and packaging codes:
DO5040H-104MLD
Termination: L = RoHS compliant tin-silver over copper.
Special order: T = RoHS tin-silver-copper (95.5/4/0.5)
or S = non-RoHS tin-lead (63/37).
Packaging: D = 13machine-ready reel. EIA-481 embossed plastic
tape (175 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.
2. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using Coilcraft
SMD-A fixture in Agilent/HP 4284A impedance analyzer.
3. SRF measured using Agilent/HP 8753D network analyzer and Coilcraft
SMD-D test fixture.
4. DC current at which the inductance drops 10% (typ) from its value
without current.
5. Current that causes a 40°C temperature rise from 25°C ambient.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
© Coilcraft, Inc. 2009
Specifications subject to change without notice.
Please check our website for latest information.
Document 479-1 Revised 10/14/08

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Document 479-2
SMT Power Inductors - DO5040H Series
Typical L vs Current
Typical L vs Frequency
1000
1000
www.DataSheet4U.com
100 100 µH
33 µH
12 µH
10
2.8 µH
100 µH
100
33 µH
12 µH
10
2.8 µH
1
0.1
1 10
Current (A)
1
100
0.001
0.01
0.1
1
Frequency (MHz)
10
Current Derating
120
110
100
90
80
70
60
50
40
30
20
10
0
-40
Isat
Irms
-20 0 20 40 60 80 100
Ambient temperature (°C)
120 140
2.8 μH – 12 μH
0.500
12,7
0.472
12,00
max
0.880
22,35
max
0.561
14,25
min
0.340 ±0.010
8,64 ±0,25
Internal Dash
code number
0.640max
16,26
0.450
11,43
max
0.470
11,94
0.125
3,18
0.125
3,18
max
0.815 max
20,70
15 μH – 1400 μH
0.500
12,7
0.690
17,53
Recommended
Land Pattern
Internal Dash
code number
0.472 max
12,00
05.2,0080max
0.730 max
18,54
0.561
14,25
min
01.56,0204max
0.075
1,90
0.250
6,35
0.065
1,65
max
01.87,1003max
0.626
15,90
Recommended
Land Pattern
Dimensions are in
inches
mm
Specifications subject to change without notice.
Please check our website for latest information.
Document479-2 Revised 10/14/08
© Coilcraft, Inc. 2009