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DO3308P Series
Surface Mount Power Inductors

  • Very low profile - less than 0.118" (3 mm) high!
  • High energy storage and very low resistance
  • Flat top for reliable surface mounting
  • Robust temperature deflection prevents damage during solder reflow
  • Defense Supply Center CID A-A-59738
  • Custom versions available
  • RoHS-compliant. 260°C compatible. Electroplated gold (<50 µin) over nickel over phos bronze terminations.
  • COTS Plus tin-silver-copper and tin-lead terminations available
  • Samples of all values are available in Coilcraft Designer's Kit C309

SPECIFICATIONS


Part number1
Click to get parts
Inductance2
(µH)
Percent
tolerance3
DCR max4
(Ohms)
SRF typ
(MHz)
Isat5
(A)
Irms6
(A)
DO3308P-472_L_ 4.7 20,10 0.036 50 4.2 3.2
DO3308P-682_L_ 6.8 20,10 0.060 47 3.9 2.6
DO3308P-103_L_ 10 20,10 0.085 37 2.7 2.3
DO3308P-153_L_ 15 20,10 0.12 35 2.3 1.9
DO3308P-223_L_ 22 20,10 0.18 26 1.8 1.5
DO3308P-333_L_ 33 20,10 0.25 19 1.6 1.2
DO3308P-473_L_ 47 20,10 0.32 14 1.3 1.0
DO3308P-683_L_ 68 20,10 0.54 12 1.1 0.9
DO3308P-104_L_ 100 20,10 0.69 11 0.87 0.73
DO3308P-154_L_ 150 20,10 0.94 9.0 0.74 0.62
DO3308P-224_L_ 220 20,10 1.60 6.0 0.56 0.51
DO3308P-334_L_ 330 20,10 2.15 5.5 0.50 0.40
DO3308P-474_L_ 470 20,10 3.30 4.5 0.40 0.33
DO3308P-684_L_ 680 20,10 4.40 3.5 0.33 0.28
DO3308P-105_L_ 1000 20,10 7.00 2.5 0.29 0.23
1 When ordering, please specify tolerancetermination and packaging codes: e.g. DO3308P-105MLD
  Tolerance: M = 20%  K = 10%
  Termination: L = Gold over nickel over phos-bronze
Special order, added cost: T = RoHS tin-silver-copper (95.5/4/0.5) or
S
= non-RoHS tin-lead (63/37).
  Packaging: D = 13" reel, machine-ready 
EIA-481 embossed plastic tape (1000 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.
3 Tolerances in bold are stocked for immediate shipment
4 DCR measured at 25°C on a micro-ohmmeter. For other operating temperatures, use this DCR at Temperature calculator.
5 Isat: DC current at 25°C that causes a 10% (typ) inductance drop from its value without current.
Temperature derating curves.
6 Irms: Current that causes a 40°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. Temperature derating curves.
7 Ambient temperature range: −40°C to +85°C with Irms current.
8 Storage temperature range: Component: −40°C to +125°C
Tape and reel packaging: −40°C to +80°C
9 Maximum part temperature: +125°C (Ambient + temperature rise)
10 Resistance to soldering heat: Three reflows at >217°C for 90 seconds (+260°C ±5°C for 20 – 40 seconds), allowing parts to cool to room temperature between.
11 Electrical specifications at 25°C.
Refer to Soldering Coilcraft Components before soldering.
PCB washing: Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

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Updated: April 13, 2017