Okami OKI-78SR-E DC-DC Power Converters Murata Power Solutions Okami OKI-78SR-E DC-DC Power Converters are encapsulated in a 0.47' x 0.69' (11.9mm x 17.6mm) vertical or horizontal package. These non-isolated switching regulator (SR) DC-DC power converters are designed for embedded applications. The fixed single-output converters offer both tight regulation and high efficiency directly at the power usage site and are a direct plug-in replacement for T0-220 package 78xx series linear regulators. Murata Okami OKI-78SR-E Series features short circuit current limit protection and is designed to meet all standards approvals, including RoHS 6 compliance.