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SER3018H Series High Current
Shielded Power Inductors

  • Designed for high current, low voltage power supplies
  • Saturation current ratings up to 93.6 Amps
  • Flat wire windings provide exceptionally low DC resistance
  • Mounting plate with three pads for excellent board adhesion
  • RoHS-compliant, halogen free. 260°C compatible. Matte tin over nickel over phos bronze terminations.

SPECIFICATIONS


Part number
Click to get parts
L ±10%1
(µH)
DCR(mOhms)2 SRF 
typ3
(MHz)
Isat (A)4 Irms (A)5
nom max 10% drop 20% drop 30% drop 20°C rise 40°C rise
SER3018H-332KE 3.3 2.56 2.82 40 91.0 92.5 93.6 20 28
SER3018H-472KE 4.7 2.56 2.82 30 59.0 61.2 62.4 20 28
SER3018H-682KE 6.8 2.56 2.82 25 42.0 45.0 45.9 20 28
SER3018H-103KE 10 2.56 2.82 20 28.0 31.2 32.1 20 28
SER3018H-153KE 15 2.56 2.82 16 18.0 21.2 21.9 20 28
SER3018H-223KE 22 2.56 2.82 15 12.0 14.0 15.0 20 28
SER3018H-333KE 33 2.56 2.82 10 7.0 8.7 9.6 20 28
1 Inductance measured at 500 kHz, 0.1 Vrms, using an Agilent/HP 4284A LCR meter or equivalent.
2 DCR measured at 25°C on a Keithley 580 micro-ohmmeter or equivalent. For other operating temperatures, use this DCR at Temperature calculator.
3 SRF measured using an Agilent/HP 4395A network analyzer and an Agilent/HP 16193A test fixture. Details
4 Isat: DC current at 25°C that causes the specified inductance drop from its value without current.
Temperature derating curves.
5 Irms: Current that causes the specified temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. Temperature derating curves.
6 Ambient temperature range: −40°C to +85°C with (40°C rise) Irms Derating curves
7 Storage temperature range: Component: −40°C to +125°C
Packaging trays: −40°C to +80°C
8 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.
9 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