3.3V DC/DC Regulator

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This is a 3.3V DC/DC regulator, specifically a Murata OKI-78SR-3.3/1.5-W36-C.

They're highly efficient (~85%) and provide 3.3V @ 1.5A (4.95W) from a 7V to 36V input.

It's ideal if you need to produce 3.3V from a higher voltage power source for your project.

We also stock similar 5V and 12V regulators.


  • 7 - 36V Input
  • 3.3V @ 1.5A Output (4.95W)
  • < 40 mV peak-to-peak ripple
  • Vertical mount, small footprint package
  • “No heat sink” direct replacement for 3-terminal 78xx-series linear regulators
  • High efficiency (~85%) with no external components
  • Short circuit protection
  • Outstanding thermal derating performance
  • UL/EN/IEC 60950-1, 2nd Edition safety approvals


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