fheat.md
fugu2 board mounted on heat-sink

heat-sink


160 x 83 x 25 AK-EL83-160
6.6 °C/W ? ( <![CDATA[]]>https://www.heatsinkcalculator.com/heat-sink-size-calculator.html<![CDATA[]]> )


Coil

15 Turns, 2 Strands, d=2mm?

Core

<![CDATA[]]>https://www.semic-shop.de/ljf-t184-s-125a-bk-de/<![CDATA[]]>
Material: KS (Sendust, Micrometals:MS, Magnetics:77 Series Koolµ(K))
u = 125
A_L = 281 nH/
DØ = 47.63 mm , D1 = 23.32 mm , H = 18.92 mm
Micrometals Equivalent: MS-184125-2
<![CDATA[]]>https://www.micrometals.com/design-and-applications/design-tools/inducto...<![CDATA[]]>
6W loss @ 30Adc, 75Vin, 30Vout, f=40khz

comparing MS-184090-2 with OE-184090-2


OE has higher Ipp (MS Ipp=13A, OE=11A)
OE has higher Ldc (MS 41uH, vs OE=35uH )
MS has lower loss (2.1 vs 2.7)
MS is cheaper (1.3 vs 1.6)