The CF4H1812-390 from Gowanda Electronics is a RF Inductor with Inductance 0.00039 uH@25MHz, DC Resistance 0.16 Ohms, DC Current 1430 mA, Self Resonant Frequency 550 MHz, Operating Temperature -55 to 125 Degree C. Tags: Wire Wound Inductor, Ceramic Inductor. More details for CF4H1812-390 can be seen below.