Document 295 -1
SMT Power Inductors - DO3314
Only 3.3 mm square, 1.4 mm high!
Handles current up to 1.7 Amps rms
Designers Kit C358 contains 3 each of all values
Core material Ferrite
Core and winding loss See www.coilcraft.com/coreloss
Terminations RoHS compliant silver-palladium-platinum-glass frit.
Other terminations available at additional cost.
Weight 45.9 50.2 mg
Ambient temperature 40C to +85C with Irms current, +85C to
+125C with derated current
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 1000/7 reel; 3500/13 reel Plastic tape: 12 mm wide,
0.23 mm thick, 8 mm pocket spacing, 1.37 mm pocket depth
PCB washing Tested with pure water or alcohol only. For other solvents,
see Doc787_PCB_Washing.pdf.
2 3 4
L DCR SRF
5 6
20% max typ Isat Irms
1
Part number (H) (Ohms) (MHz) (A) (A)
1. When ordering, please specify termination and packaging codes:
DO3314-102ML_ 1.0 0.11 160 2.10 1.70
DO3314-333MLC
DO3314-152ML_ 1.5 0.14 140 2.00 1.40
Termination: L = RoHS compliant silver-palladium-platinum-glass frit
DO3314-222ML_ 2.2 0.20 90 1.60 1.30
Special order: T = RoHS tin-silver-copper (95.5/4/0.5)
DO3314-332ML_ 3.3 0.26 80 1.40 1.20
or S = non-RoHS tin-lead (63/37).
DO3314-472ML_ 4.7 0.32 60 1.20 1.10
Packaging: C = 7 machine-ready reel. EIA-481 embossed plastic
tape (1000 parts per full reel).
DO3314-682ML_ 6.8 0.44 45 0.92 0.80
B = Less than full reel. In tape, but not machine ready.
DO3314-822ML_ 8.2 0.47 45 0.90 0.75
To have a leader and trailer added ($25 charge), use
DO3314-103ML_ 10 0.52 40 0.80 0.75
code letter C instead.
DO3314-153ML_ 15 0.86 30 0.68 0.65 D = 13 machine-ready reel. EIA-481 embossed plastic
tape (3500 parts per full reel).
DO3314-223ML_ 22 1.20 20 0.56 0.50
2. Inductance tested at 100 kHz, 0.1 Vrms.
DO3314-333ML_ 33 1.62 15 0.51 0.40
3. DCR measured on a micro-ohmmeter.
4. SRF measured using Agilent/HP 4191A or equivalent.
5. DC current at which the inductance drops 10% (typ) from its value
without current.
6. Current that causes a 40C temperature rise from 25C ambient.
7. Electrical specifications at 25C.
Refer to Doc 362 Soldering Surface Mount Components before soldering.
Document 295-1 Revised 10/08/08
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com Coilcraft Inc. 2013
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.Document 295-2
SMT Power Inductors - DO3314 Series
Typical L vs Frequency Typical L vs Current
100 100
33 H
33 H
10 H
10 10
10.0 H
3.3 H
3.3 H
1H
1.0 H
1 1
0.1
0.1
0.01 0.1 1 10 0.01 0.1 110
Frequency (MHz) Current (A)
Internal code
Irms Derating
120
110
0.130 0.008
3,3 0,2
100
90
80
Dash number
70
0.130 0.008
60
3,3 0,2 Recommended
50
Land Pattern
0.055
0.024
40
max
1,4
0,61
0.049
30
1,24
20
10
0
0.025
0.148
-40 -20 020406080 100 120 140
0,64
3,76
Ambient temperature (C)
0.040 0.005
0.050
1,02 0,127
1,27
0.148
inches
3,76
Dimensions are in
mm
Document 295-2 Revised 10/08/08
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com Coilcraft Inc. 2013
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)
Percent of rated Irms
25C
Inductance (H)
XXXY