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Document 484-1
Shielded Power Inductor ForNationalSemiconductor LM5115 DC Controller IC
DCR SRF
Part Inductance1 max typ2
number ±10% (µH) (mOhms) (MHz)
D1787-AL 33.0
2.8 9.0
Isat3 Irms4 (A) (A) 8.0 23.0
1. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using Coilcraft SMD‑D fixture in Agilent/HP 4284A impedance analyzer.
2. SRF measured using Agilent/HP 8753D network analyzer and Coilcraft SMD‑D test fixture.
3. DC current at which the inductance drops 20% (typ) from its value without current. Click for temperature derating information.
4. Current that causes a 40°C rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings.
D1787-AL Datasheet
