The CF4H1812-221 from Gowanda Electronics is a RF Inductor with Inductance 0.0022 [email protected], DC Resistance 0.48 Ohms, DC Current 830 mA, Self Resonant Frequency 215 MHz, Operating Temperature -55 to 125 Degree C. Tags: Wire Wound Inductor, Ceramic Inductor. More details for CF4H1812-221 can be seen below.