DO3308P

Document 170-1
SMT Power Inductors – DO3308P
• Handle saturating currents up to 4.2 Amps
• Defense Supply Center CID: A-A-59738
Designer’s Kit C309 contains 3 each of all values
Core material Ferrite
Core and winding loss See www.coilcraft.com/coreloss
Terminations RoHS compliant electroplated gold (<50 µin) over nickel
over phos bronze. Other terminations available at additional cost.
Weight 594 – 640 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 1000/13″ reel Plastic tape: 24 mm wide, 0.4 mm thick,
12 mm pocket spacing, 3.7 mm pocket depth
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
DCRSRF
Isat4 Irms5
L ±20%2 Percent
maxtyp
Part number1(µH) tol3(Ohms)
(MHz)
(A)(A)
DO3308P-472_L_4.7
20,10 0.03650
DO3308P-682_L_6.8
20,10 0.06047
DO3308P-103_L_10 20,10 0.08537
DO3308P-153_L_15 20,10 0.12 35
DO3308P-223_L_22 20,10 0.18 26
DO3308P-333_L_33
DO3308P-473_L_47
DO3308P-683_L_68
DO3308P-104_L_100
DO3308P-154_L_150
20,10 0.25
20,10 0.32
20,10 0.54
20,10 0.69
20,10 0.94
DO3308P-224_L_220
DO3308P-334_L_330
DO3308P-474_L_470
DO3308P-684_L_680
DO3308P-105_L_1000
20,10
20,10
20,10
20,10
20,10
1.60
2.15
3.30
4.40
7.00
4.23.2
3.92.6
2.72.3
2.31.9
1.81.5
19 1.61.2
14 1.31.0
12 1.10.9
11 0.870.73
9.0 0.740.62
6.0 0.560.51
5.5 0.500.40
4.5 0.400.33
3.5 0.330.28
2.5 0.290.23
1. Please specify tolerance, termination and packaging codes:
DO3308P-105MLD
Tolerance:M= 20% K = 10%
Termination: L=RoHS compliant gold over nickel over
phos bronze.
Special order:
T = RoHS tin-silver-copper (95.5/4/0.5)
or S = non-RoHS tin-lead (63/37).
Packaging:D
=13″ 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 D instead.
2. Inductance tested at 100 kHz, 0.1 Vrms, 0 Adc.
3. Tolerances in bold are stocked for immediate shipment
4. DC current at which 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.
Document 170-1 Revised 05/03/13
Document 170-2
SMT Power Inductors – DO3308P Series
Typical L vs Frequency
Typical L vs Current
10000
10000
1000 µH
100 µH
100
10 µH
10
1
0.01
100 µH
100
10 µH
10
1
0.1
1000 µH
1000
Inductance (µH)
Inductance (µH)
1000
10
Frequency (MHz)
1
0.01
10
Current (A)
Irms Derating
0.330
dia
8,38
an additional 0.01/0,254
* Allow
in length and 0.005/0,127 in
0.118
max*
3,00
120
110
height for optional tin-lead and
tin-silver-copper application.
0.510
max*
12,95
100
90
80
0.370
max
9,40
70
60
50
30
Recommended
Land Pattern
0.145
3,69
0.100
2,54
40
25°C
Percent of rated Irms
1
0.1
0.110
2,79
0.115
2,92
20
10
0
-40
-20
0
20
40
60
80
Ambient temperature (°C)
100
120 140
0.100
2,54
0.405
10,29
0.300
7,62
Internal code
XXX
X
Start
Dash number
Finish
Part marking since Feb. 2005. Parts manufactured
inches
prior to that date may have color dots.
Dimensions are in
mm
Visit www.coilcraft.com/colrpowr.cfm
for color dot marking details.
Document 170-2 Revised 05/03/13
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