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Murata Power Solutions Non-Isolated DC-DC Converter 36V DC, 1.5A Output Current OKI-78SR-3.3/1.5-W36H-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-W36H-C |
| Depth | 16.5mm |
| Gross Weight | 2g |
| Width | 8.6mm |
| Series | OKI-78SR |
| Output Current | 1.5A |
| Maximum Operating Temperature | 85°C |
| Package Type | TO-220 |
| Load Regulation | ±0.4 % |
| Minimum Operating Temperature | -40°C |
| MTBF | 78700000h |
| Number of outputs | 1 |
| Ripple and Noise | 40mV Pk-Pk |
| Maximum Input Voltage | 36V dc |
| Fixed Output | 3.3 or 5V @ 1.5A or 12V @ 1.0A |
| Line Regulation | ±0.25 % |
| Standards/Approvals | RoHS |
| Minimum Input Voltage | 7V |
Key Features
- This non-isolated DC-DC converter operates at an input voltage range of 7 to 36V DC.
- It delivers a fixed output voltage of 3.3V or 5V at 1.5A, or 12V at 1.0A output current.
- Featuring high efficiency of 85.5% to minimize power loss during conversion.
- The compact TO-220 SIP package measures 10.4 mm length, 16.5 mm depth, and 8.6 mm width.
- Designed for embedded applications with outstanding thermal derating and short circuit protection.
- Supports operation from -40°C to 85°C ambient temperature, suitable for industrial environments.
- Low ripple and noise of 40 mV peak-to-peak ensures stable output power.
- Typical load regulation is ±0.4% and line regulation ±0.25%, offering tight voltage control.
Product Description
Murata Power Solutions OKI-78SR-3.3/1.5-W36H-C is a high-efficiency, non-isolated switching regulator DC-DC converter designed for embedded applications requiring stable and efficient power supply at 36V DC input and up to 1.5A output current.
Encapsulated in a compact TO-220 Single Inline Package (SIP) measuring 10.4 x 16.5 x 8.6 mm, this converter offers a direct plug-in replacement for traditional 78xx series linear regulators while eliminating the need for additional external components.
Operating across a wide temperature range from -40°C to 85°C, it ensures reliable performance in industrial, laboratory, and embedded system environments. The converter provides fixed output voltages of 3.3V or 5V at 1.5A, or 12V at 1.0A with excellent regulation and low ripple of 40mV peak-to-peak.
With efficiency rated at 85.5%, the OKI-78SR series conserves energy and reduces thermal dissipation, negating the need for bulky heat sinks. The device features built-in short circuit protection and outstanding thermal derating performance, making it suitable for demanding applications in power management, industrial automation, telecommunications, and control systems.
This non-isolated DC-DC Converter supports a broad input voltage range from 7V to 36V DC. Compact single output design facilitates ease of integration into PCBs and embedded modules. Designed for high reliability with an average MTBF of approximately 78.7 million hours.
Compliance to RoHS standards ensures environmentally safe electronic manufacturing. Its minimal footprint and standard TO-220 package simplify replacement of linear regulators without redesign.
This product is ideal for power supplies in industrial and commercial electric modules, laboratory equipment, and embedded systems needing efficient voltage conversion and regulation.
Explore more options in DC/DC converters to find compatible power management solutions in the Electronics & Electricals category at EnvMart.
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Frequently Asked Questions
The input voltage range for this model is from 7V to 36V DC.
This converter provides fixed output voltages of 3.3V or 5V at 1.5A, or 12V at 1.0A.
It has an efficiency rating of 85.5%, which helps minimize power loss during conversion.
The dimensions of the TO-220 package are 10.4 mm in length, 16.5 mm in depth, and 8.6 mm in width.
The maximum operating temperature for this unit is 85°C.
The load regulation for this converter is ±0.4%.
This model features built-in short circuit protection to enhance safety during operation.
The ripple and noise for this converter is specified at 40 mV peak-to-peak.
The minimum operating temperature for this unit is -40°C.
This non-isolated DC-DC converter serves as a direct plug-in replacement for traditional 78xx series linear regulators, eliminating the need for additional external components.
The average MTBF (Mean Time Between Failures) for this converter is approximately 78.7 million hours.
Yes, this converter complies with RoHS standards, ensuring environmentally safe electronic manufacturing.
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