MURATA POWER SOLUTIONS  OKI-78SR-3.3/1.5-W36-C  Non Isolated Board Mount DC/DC Converter, OKAMI, SIP, Through Hole, 1, 4.95 W, 3.3 V, 1.5 A

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Product Information

  • Approvals & Standards: IEC, UL
  • Approvals / Standards: -
  • DC / DC Converter Case Style: DIP
  • DC / DC Converter Mounting: Through Hole
  • DC / DC Converter Output Type: Fixed
  • DC / DC Converter Type: SIP
  • Depth: 10.4mm
  • Height: 16.5mm
  • Input Voltage DC Max: 36V
  • Input Voltage DC Min: 7V
  • Input Voltage VDC: 7V to 36V
  • No. of Outputs: 1
  • Output Current Max: 1.5A
  • Output Current Max: 1.5A
  • Output Power Max: 4.95W
  • Output Voltage Nom.: 3.3V
  • Output Voltage Nom.: 3.3V
  • SVHC: No SVHC (17-Dec-2014)
  • Width: 7.6mm


The OKI-78SR-3.3/1.5-W36-C is a 3.3V non-isolated switching regulator DC to DC Converter for embedded applications. The fixed single output converter offers both tight regulation and high efficiency directly at the power usage site. Based on fixed-frequency buck switching topology, the high efficiency means very low heat and little electrical noise, requiring no external components. The ultra wide input range is 7 to 36 Volts DC. Protection features include short circuit current limit protection. The OKI-78SR is designed to meet all standards approvals.


  • Vertical or horizontal SIP-mount, Small Footprint Package
  • "No Heat Sink" Direct Replacement for 3-terminal 78xx-series Linear Regulators
  • High Efficiency with no External Components
  • Short Circuit Protection
  • Outstanding Thermal Derating Performance
  • UL/EN/IEC 60950-1, 2nd Edition Safety Approvals


  • Power Management

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Availability:  416

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100 - 199 $3.93
200+ $3.77

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