Energy inductor for digital audio

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Sumida_DEP1623_PIN_Power_Inductor

Called DEP1623 and measuring ~27 x 17 x 23mm, “this inductor is wound by flat wire and assembled with the Mn-Zn ferrite core. It is typically used in digital amplifier filters in home theatre and large LCDs”, according to distributor New Yorker Electronics, which is stocking the part. .

Six parts are available: 3.3, 4.7, 6.8, 10, 15 or 22μH (all ±15%). The data sheet (version 2021-06-11) shows all with the same typical resistance of 2.2mΩ at 20°C, so there might be an error there.

Saturation currents (-20% inductance) range from 15 to 88A at 20°C and 10 to 60A at 125°C. 125°C is the maximum internal operating temperature and -40°C is the minimum. The current needed for a 40°C temperature rise also seems to be the same for all parts in the data sheet table, so this might not be correct.

For production, the series has a moisture sensitivity level of 1 and is available for pallet packaging at 40 pieces per pallet.

New Yorker’s DEP1623 product page is here where there is a link to the data sheet, which is also availabe on the Sumida website

 



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