The Sumida CDRH5D18BHPNP-4R2MC is a 5mm x 18mm, 2-hole mount common mode inductor. It is a high precision, high performance, carbon heart magnetic core (CHMC) inductor, with a shielded construction. It has an inductance of 4000µH, a rated current of 1.73A, an SRF of 1650MHz, a ferrite core material, a permalloy core material, and a pin spacing of 4.2mm.