OKI-78SR 1.5A DC/DC Converters Murata Power Solutions Okami™ OKI-78SR Series 1.5A DC/DC Converters are fixed output SIP converters fabricated on a 0.41' x 0.65' (10.4mm x 16.5mm) module. These non-isolated switching regulators (SR) DC/DC power converters are for embedded applications. The OKI-78SR Series offers both tight regulation and high efficiency directly at the power usage site and is a direct plug-in replacement for TO-220 package 78xx series linear regulators. Typically, no extra outside components are required. The Murata Power Solutions Okami OKI-78SR Series 1.5A DC/DC Converters feature an ultra-wide 7 to 36VDC input range.