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Recom Switching Regulator, Surface Mount, 3.3V DC Output Voltage, 500mA Output Current, 1.65W Power ROF-78E3.3-0.5SMD-R
Specifications
| Country of Origin | Taiwan |
|---|---|
| Brand | Recom |
| Power | 1.65W |
| Efficiency | 84% |
| Length | 12.5mm |
| Model | ROF-78E3.3-0.5SMD-R |
| Depth | 4.5mm |
| Gross Weight | 1g |
| Width | 13.5mm |
| Mount Type | Surface |
| Series | ROF-78E-0.5SMD |
| Output Current | 500mA |
| Maximum Operating Temperature | 85°C |
| Package Type | Surface Mount |
| Load Regulation | ±3 % |
| Minimum Operating Temperature | -40°C |
| MTBF | 3500000h |
| Number of outputs | 1 |
| Ripple and Noise | 100mV |
| Maximum Input Voltage | 36V dc |
| Line Regulation | ±1 % |
| Standards/Approvals | RoHS |
| Minimum Input Voltage | 5V |
| Output Voltage 1 | 3.3V dc |
Key Features
- Wide input voltage range from 5V to 36V DC for versatile applications.
- High efficiency of 84% reduces energy loss and heat generation.
- Compact dimensions of 12.5mm length, 13.5mm width, and 4.5mm depth for space-limited designs.
- Operating temperature range of -40°C to +85°C suitable for demanding environments.
- Low ripple and noise voltage of 100mV ensures clean output for sensitive electronics.
- Line regulation at ±1% maintains constant output voltage despite input fluctuations.
- Load regulation of ±3% provides reliable current control.
- Extremely lightweight at 1 gram, enabling easy installation on compact PCBs.
Product Description
Recom ROF-78E3.3-0.5SMD-R is a high-performance surface mount switching regulator designed to convert DC input voltages between 5V and 36V into a stable 3.3V DC output delivering up to 500mA current with a power rating of 1.65W. Featuring an efficiency of 84%, this regulator minimizes power wastage and thermal dissipation, making it ideal for compact and energy-sensitive electronic circuits.
The device exhibits low ripple and noise of just 100mV, ensuring clean and stable voltage for sensitive electronic components. Its line regulation of ±1% and load regulation of ±3% guarantee constant voltage and current output even when input voltage or load changes, enhancing overall system reliability.
Measuring only 12.5mm by 13.5mm by 4.5mm and weighing just 1 gram, the ROF-78E3.3-0.5SMD-R fits easily into tight electronic spaces and printed circuit boards utilizing surface mount technology, simplifying installation and assembly.
With an operating temperature range from -40°C to +85°C, this switching regulator is suitable for demanding industrial, commercial, and portable battery-powered applications. The high mean time between failures (MTBF) of 3.5 million hours confirms its durability and dependable performance in critical environments.
Common uses include power supplies for computers, laptops, embedded systems, and various battery-powered or low-voltage electronic equipment. The RoHS compliant unit adheres to international environmental standards.
Wide 5 to 36V DC input voltage range. Stable 3.3V DC output at up to 500mA. High efficiency and low ripple output. Compact surface mount package design. Robust thermal and electrical performance over wide temperature range.
Long operational lifetime and reliability assured by high MTBF. Explore EnvMart’s category of Switching Regulators for related products and quality electronic components.
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Frequently Asked Questions
This model provides a stable output voltage of 3.3V DC and can deliver up to 500mA of output current.
It accepts a wide input voltage range from 5V to 36V DC, making it versatile for various applications.
The efficiency of this unit is 84%, which helps reduce energy loss and heat generation during operation.
This model measures 12.5mm in length, 13.5mm in width, and 4.5mm in depth, making it compact for space-limited designs.
It operates effectively within a temperature range of -40°C to +85°C, suitable for demanding environments.
The ripple and noise voltage is low at 100mV, ensuring clean output for sensitive electronics.
This unit has a line regulation of ±1% and a load regulation of ±3%, maintaining stable output under varying conditions.
It weighs only 1 gram, which facilitates easy installation on compact PCBs.
The regulator is designed for surface mounting, which simplifies installation and assembly.
The MTBF is rated at 3.5 million hours, indicating its reliability in critical applications.
Yes, the unit is RoHS compliant, adhering to international environmental standards.
Common applications include power supplies for computers, laptops, embedded systems, and various battery-powered electronic equipment.
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