Murata expands popular DC-DC converter range for embedded applications

25 SEPTEMBER 2017

Murata has added a 12 V model to its OKI-78SR series of non-isolated switching regulator DC-DC power converters for embedded applications. The fixed single output converter 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.

Rated at 12 V/1 A, when powered from a 24 V source, the OKI-78SR-12/1.0-W36-C converter’s efficiency is a very high 95%, eliminating the need for a heatsink that adds cost and increases complexity in the design and manufacturing processes. Cleverly packaged in the form of a three-terminal 78xx linear regulator, the converter operates from a source voltage of 15 to 36 V and is available in both vertical and horizontal mounting options. The package size is just 10.4 × 7.62 × 16.5 mm (0.41 × 0.3 × 0.65 inches).

Murata’s OKI-78SR series is suitable in a wide range of applications, including computing, networking, telecommunications, industrial, aerospace and rail. Indeed, it is ideal for any application where the ambient temperature ranges from -40 to 85°C, which has a source/system voltage in the range of 15 to 36 Vdc, and where the output requirement is for 12 V at 1 A.  Standard features include a factory-set Vout at 12 Vdc, short-circuit/over-current protection, UL/EJ/IEC 60950-1, second edition safety approvals and RoHS compliance.

The OKI-78SR series incorporates advanced assembly techniques and the latest fixed switching frequency technology for power conversion available today. The optional packaging configurations, safety features, high reliability, state-of-the-art figures for efficiency, thermal management, dynamic load response, industry standard package and OCP protection features offer an unmatched level of performance.

Murata Europe Limited
www.murata.com

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