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Document 170-1
SMT Power Inductors - DO3308P Series
* 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 gold over nickel over phos bronze. Other terminations available at additional cost. Weight 594 - 640 mg Ambient temperature -40C to +85C with Irms current, +85C to +125C with derated current Storage temperature Component: -40C to +125C. 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 1000/13 reel Plastic tape: 24 mm wide, 0.4 mm thick, 12 mm pocket spacing, 3.7 mm pocket depth PCB washing Only pure water or alcohol recommended
Part number1 DO3308P-472ML_ DO3308P-682ML_ DO3308P-103ML_ DO3308P-153ML_ DO3308P-223ML_ DO3308P-333ML_ DO3308P-473ML_ DO3308P-683ML_ DO3308P-104ML_ DO3308P-154ML_ DO3308P-224ML_ DO3308P-334ML_ DO3308P-474ML_ DO3308P-684ML_ DO3308P-105ML_
DCR L 20%2 max (H) (Ohms) 4.7 6.8 10 15 22 33 47 68 100 150 220 330 470 680 1000 0.036 0.060 0.085 0.12 0.18 0.25 0.32 0.54 0.69 0.94 1.60 2.15 3.30 4.40 7.00
SRF typ (MHz) 50 47 37 35 26 19 14 12 11 9.0 6.0 5.5 4.5 3.5 2.5
1. When ordering, please specify termination and packaging codes:
Isat3 (A) 4.2 3.9 2.7 2.3 1.8 1.6 1.3 1.1 0.87 0.74 0.56 0.50 0.40 0.33 0.29
Irms4 (A) 3.2 2.6 2.3 1.9 1.5 1.2 1.0 0.9 0.73 0.62 0.51 0.40 0.33 0.28 0.23
DO3308P-105MLD
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. DC current at which inductance drops 10% (typ) from its value without current. 4. Current that causes a 40C temperature rise from 25C ambient. 5. Electrical specifications at 25C. Refer to Doc 362 "Soldering Surface Mount Components" before soldering.
Specifications subject to change without notice. Please check our website for latest information.
Document 170-1
Revised 10/08/08
(c) Coilcraft, Inc. 2009
Document 170-2
SMT Power Inductors - DO3308P Series
Typical L vs Frequency
10000
Typical L vs Current
10000
1000 H
1000
1000 H
1000
Inductance (H)
100 H
Inductance (H)
100
100 H
100
10
10 H
10 H
10
1 0.01 0.1 1 10
1 0.01 0.1 1 10
Frequency (MHz)
Current (A)
Irms Derating
120 110 100
0.330 dia 8,38 0.118 max* 3,00 0.510 max* 12,95 additional 0.02/0,508 * Allow anand 0.01/0,254 in in width height for optional tin-lead and tin-silver-copper application.
Percent of rated Irms
90 80 70 60 50 40 30 20 10 0 -40 -20 0 20 40 60 80 100 120 140
Internal code Dash number
0.370 max 9,40
0.100 2,54
0.145 3,69
0.110 2,79
Recommended Land Pattern
0.115 2,92
25C
0.100 2,54
0.300 7,62
0.405 10,29
Ambient temperature (C)
XXX
X
Start
Finish
Part marking since Feb. 2005. Parts manufactured prior to that date may have color dots. Visit www.coilcraft.com/colrpowr.cfm for details.
Dimensions are in
inches mm
Specifications subject to change without notice. Please check our website for latest information.
Document 170-2
Revised 10/08/08
(c) Coilcraft, Inc. 2009

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