#### polashd

##### Member

I’ve some toroidal inductor cores of different types (iron powder, ferrite, MPP).

I want to make inductor/ transformer for SMPS.

To do this I need to know/calculate the max power capacity of the core, max current before saturation.

Searched internet, ended with many different methods/ formulas which are confusing for me (as a hobbyist).

For example I’m providing data of two toroidal cores:

1) MPP core# C055120A2-2 (datasheet attached)

2) Iron powder core# T-106, material#52 (permeability=75, AL=95nH/N2, OD=26.9mm, ID=14.5mm, h=11.1mm)

Can anyone please provide me simple method/ formula (based on above core data) to:-

-Calculate maximum power capacity.

-Calculate maximum current without saturation.

-How to use the DC bias curve (in the datasheet)

I want to make inductor/ transformer for SMPS.

To do this I need to know/calculate the max power capacity of the core, max current before saturation.

Searched internet, ended with many different methods/ formulas which are confusing for me (as a hobbyist).

For example I’m providing data of two toroidal cores:

1) MPP core# C055120A2-2 (datasheet attached)

2) Iron powder core# T-106, material#52 (permeability=75, AL=95nH/N2, OD=26.9mm, ID=14.5mm, h=11.1mm)

Can anyone please provide me simple method/ formula (based on above core data) to:-

-Calculate maximum power capacity.

-Calculate maximum current without saturation.

-How to use the DC bias curve (in the datasheet)