Murata Power Solutions Non-Isolated DC-DC Converter 36V dc, 1.5A Output Current, 7.5W Power, TO-220 OKI-78SR-5/1.5-W36E-C

Murata Power Solutions OKI-78SR-5/1.5-W36E-C is a non-isolated DC-DC switching regulator designed for embedded power supply applications. It accepts a maximum input voltage of 36V DC and provides a fixed 1.5A output current delivering 7.5W of power. This device, housed in a compact TO-220 package, requires no additional external components or heat sinks, making it an efficient and space-saving alternative to traditional 78xx series linear regulators.

The converter features a high efficiency of 90.5%, which significantly reduces energy waste and heat generation. It has excellent load and line regulation characteristics of ±0.4% and ±0.3% respectively, ensuring stable output voltage under varying conditions. Operating reliably within a temperature range of -40°C to 85°C, it is well-suited for industrial and commercial electronics applications.

Key electrical characteristics include a low ripple and noise value of 75mV peak-to-peak and robust short circuit protection to safeguard against unforeseen faults. The ONI-78SR series device also boasts a very high Mean Time Between Failures (MTBF) of approximately 78.7 million hours, highlighting dependable long-term use.

Physically, this converter supports vertical SIP or horizontal mounting in a durable encapsulated package measuring 11.9mm in length, 10mm in width, and 17.6mm in depth, weighing only 4.5g. It is manufactured in China and complies with RoHS standards for environmental safety.

This product is ideal for use in industrial electronics, power supply modules, automation systems, telecommunications, instrumentation, and embedded device power regulation where efficient DC power conversion and reliable performance are critical.

High efficiency of 90.5% ensures minimal power loss during operation. Encapsulated TO-220 package offers vertical or horizontal mount with a small footprint. Wide operating temperature range from -40°C to 85°C for reliable performance in harsh environments.

Output ripple and noise is low at 75mV peak to peak for stable output voltage. Built-in short circuit protection enhances device safety and reliability. Direct plug-in replacement for 78xx series linear regulators without need for external components.

Load regulation of ±0.4% and line regulation of ±0.3% ensure tight voltage regulation. Mean Time Between Failures (MTBF) is exceptionally high at 78,700,000 hours for long-life operation. Compact dimensions and lightweight for easy integration into compact devices.

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