The Ms 5420 / 0,4mH from Neosid Pemetzrieder GmbH & Co. KG is a RF Inductor with Inductance 400 µH, DC Resistance 1.3 Ohms, DC Current 0.5 A, Self Resonant Frequency 0.125 MHz, Operating Temperature -40 to 125 Degree C. Tags: Wire Wound Inductor. More details for Ms 5420 / 0,4mH can be seen below.