The CF4H1812-220 from Gowanda Electronics is a RF Inductor with Inductance 0.00022 uH@25MHz, DC Resistance 0.13 Ohms, DC Current 1650 mA, Self Resonant Frequency 650 MHz, Operating Temperature -55 to 125 Degree C. Tags: Wire Wound Inductor, Ceramic Inductor. More details for CF4H1812-220 can be seen below.