Document 295 -1
SMT Power Inductors - DO3314 Series
• Only 3.3 mm square, 1.4 mm high!
• Handles current up to 1.7 Amps rms
Designer’s 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 –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 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 Only pure water or alcohol recommended
L2
DCR3 SRF4
max typ
±20%
Isat5 Irms6
(A) (A)
Part number1
(µH) (Ohms) (MHz)
1. When ordering, please specify termination and packaging codes:
DO3314-333MLC
Termination: L = RoHS compliant silver-palladium-platinum-glass frit
Special order: T = RoHS tin-silver-copper (95.5/4/0.5) or
S = non-RoHS tin-lead (63/37).
DO3314-102ML_
DO3314-152ML_
DO3314-222ML_
DO3314-332ML_
DO3314-472ML_
DO3314-682ML_
DO3314-822ML_
DO3314-103ML_
DO3314-153ML_
DO3314-223ML_
1.0
1.5
2.2
3.3
4.7
6.8
8.2
10
0.11
0.14
0.20
0.26
0.32
0.44
0.47
0.52
0.86
1.20
160
140
90
80
60
45
45
40
30
20
2.10 1.70
2.00 1.40
1.60 1.30
1.40 1.20
1.20 1.10
0.92 0.80
0.90 0.75
0.80 0.75
0.68 0.65
0.56 0.50
Packaging: C = 7″ machine-ready reel. EIA-481 embossed plastic
tape (1000 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.
15
22
33
D = 13″ machine-ready reel. EIA-481 embossed plastic
tape (3500 parts per full reel).
2. Inductance tested at 100 kHz, 0.1 Vrms.
3. DCR measured on a micro-ohmmeter.
DO3314-333ML_
1.62
15
0.51 0.40
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 40°C temperature rise from 25°C ambient.
7. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Specifications subject to change without notice.
Please check our website for latest information.
Document295-1 Revised10/08/08
© Coilcraft, Inc. 2009