The Bourns RL622 series is a radial lead RF choke coil designed for a variety of applications including DC/DC converters and power supplies. This series is no longer recommended for new designs, with the RLB0913 series being the suggested alternative. The RL622-220K-RC model features an inductance of 22µH, a tolerance of ±10%, and is RoHS compliant. It's characterized by its compact size and efficient performance, making it suitable for space-constrained designs. Users should verify actual device performance in their specific applications.