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Murata Power Solutions Switching Regulator, SIP Module, Horizontal & Vertical Mount, 3.432V DC OKI-78SR-3.3/1.5-W36-C
Specifications
| Country of Origin | China |
|---|---|
| Brand | Murata Power Solutions |
| Power | 4.95W |
| Efficiency | 85.5% |
| Length | 10.4mm |
| Model | OKI-78SR-3.3/1.5-W36-C |
| Depth | 7.6mm |
| Gross Weight | 2g |
| Width | 16.5mm |
| Mount Type | Horizontal, Vertical |
| Series | OKI-78SR |
| Output Current | 1.5A |
| Maximum Operating Temperature | 85°C |
| Package Type | TO-220 |
| Load Regulation | ±0.25 % |
| Minimum Operating Temperature | -40°C |
| MTBF | 78721000h |
| Number of outputs | 1 |
| Ripple and Noise | 40mV Pk-Pk |
| Maximum Input Voltage | 36V dc |
| Line Regulation | ±0.25 % |
| Standards/Approvals | RoHS |
| Minimum Input Voltage | 7V |
| Number of Pins | 3 |
| Output Voltage 1 | 3.432V dc |
Key Features
- Ultra-wide input voltage range from 7 V to 36 V DC ensures versatile compatibility.
- Power rating of 4.95 W with high efficiency of 85.5 percent minimizes heat generation.
- Compact TO-220 package measuring 10.4 mm length, 16.5 mm width, and 7.6 mm depth.
- Low ripple and noise of 40 mV peak-to-peak for stable output performance.
- Integrated short circuit current limit protection enhances device reliability.
- Operating temperature range spans from -40°C to 85°C for industrial applications.
- Designed as a direct replacement for 3-terminal 78xx series linear regulators without need for heat sinks.
- Single output with 1.5 A maximum current capacity for embedded applications.
Product Description
Murata Power Solutions OKI-78SR-3.3/1.5-W36-C switching regulator is a highly efficient, non-isolated DC-DC converter designed for embedded electronics. Featuring a compact SIP module design in a TO-220 package, this regulator supports both horizontal and vertical mounting orientations.
The device provides a fixed output voltage of 3.432 V DC at a maximum output current of 1.5 A. It operates from an ultra-wide input voltage range of 7 V to 36 V DC, making it suitable for a variety of power supply applications.
This switching regulator employs fixed-frequency buck switching topology to achieve high efficiency of 85.5 percent, which significantly reduces heat dissipation and eliminates the need for external components or heat sinks. The low ripple and noise of 40 mV peak-to-peak ensures stable and reliable output power.
Protection features include short circuit current limit protection and robust line and load regulation of ±0.25 percent. It operates reliably within a temperature range from -40°C to 85°C, making it appropriate for industrial, commercial, and embedded system environments.
The OKI-78SR series complies with RoHS-6 regulations and meets the safety standards UL/EN/IEC 60950-1, 2nd Edition. Its high MTBF rating of over 78 million hours indicates exceptional reliability and longevity.
Ultra-wide 7 to 36 V DC input range supports diverse applications. Fixed output of 3.432 V DC with 1.5 A maximum current output. Compact TO-220 package with SIP module design for flexible mounting. High efficiency operation reduces heat and enhances power savings.
Short circuit current limit protection ensures safe operation. Wide operating temperature from -40°C to 85°C suitable for industrial use. Meets RoHS and multiple international safety standards. Single output channel optimized for embedded devices.
Low ripple and noise maintains power quality. Extensive reliability indicated by an MTBF of 78,721,000 hours.
This Switching Regulator is ideal for industrial, laboratory, embedded, and commercial electronic power supply designs requiring a reliable DC-DC voltage source with high efficiency and small footprint. Explore more power conversion solutions within the Electronics Components category at EnvMart.
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Frequently Asked Questions
It operates within an ultra-wide input voltage range of 7 V to 36 V DC.
The maximum output current capacity is 1.5 A.
It has a high efficiency rating of 85.5 percent, which reduces heat generation.
The dimensions of the TO-220 package are 10.4 mm in length, 16.5 mm in width, and 7.6 mm in depth.
The regulator provides a fixed output voltage of 3.432 V DC.
It maintains a low ripple and noise level of 40 mV peak-to-peak for stable output performance.
It operates reliably within a temperature range from -40°C to 85°C.
It includes short circuit current limit protection to enhance device reliability.
This model supports both horizontal and vertical mounting orientations.
The load regulation is ±0.25 percent, ensuring stable output under varying loads.
It complies with RoHS regulations and meets safety standards UL/EN/IEC 60950-1, 2nd Edition.
The MTBF is rated at over 78 million hours, indicating exceptional reliability.
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