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Switching power supplies, also known as a switch mode power supply (SMPS), are electronic devices that provide efficient and regulated power conversion from one voltage level to another. They are widely used in a variety of electronic devices, including computers, smartphones, televisions, industrial equipment, and more.Switching power supplies offer several advantages over traditional linear power supplies, such as higher efficiency, smaller size, and lighter weight. Here at RS, we stock an extensive range of high-quality, high-efficiency SMPS from industry leading brands including Mean Well, XP Power, Carlo Gavazzi, TRACOPOWER, Cosel, Cotek and of course RS PRO.

### How does a Switching Power Supply Work?

The basic principle behind switching power supplies involves rapidly switching an electronic switch (usually a transistor) on and off at a high frequency. This creates a square wave-like signal, which is then fed through an inductor and/or a transformer. By controlling the duty cycle (the ratio of on-time to off-time) of the switching signal, the output voltage can be regulated and transformed to the desired level.

### Where are Switching Power Supplies Used?

Switch power supplies are used in a wide range of applications due to their efficiency, compact size, and versatility. Here are some common areas where SMPS are used: Consumer Electronics, telecommunications, industrial applications, power generators and distributors, automotive, medical equipment, aerospace and defence, renewable energy, home appliances, LED lighting, networking equipment, data centres and gaming and entertainment.

### Is the Switch Mode Power Supply AC or DC?

A switching mode power supply is designed to convert one form of electrical energy into another. In most cases, the input to an SMPS is AC (alternating current), but the output is typically DC (direct current).The switch mode power supply performs the necessary conversions to ensure that the output voltage is stable, efficient, and suitable for powering electronic devices that typically require DC power.



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Switching Power Supplies | SMPS | RS

Switching Power Supplies

Buy from our selection of rack mount power supplies from Eplax. At RS, we strive to give you the best offers from our supplier and to promptly deliver in the shortest time.

Eplax Rack Mount Power Supplies | RS

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SMPS 12V 2A | Switching Power Supplies | RS

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SMPS 12V 5A | Switching Power Supplies | RS

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SMPS 5V 1A | Switching Power Supplies | RS

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SMPS 5V 5A | Switching Power Supplies | RS

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Cosel Switching Power Supplies | RS

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MEAN WELL Switching Power Supplies | RS

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RECOM 5V DC Output Voltage Switching Power Supplies | RS

Do you need help converting your power? Well, RECOM 5V DC Switching Power Supplies can do just that.<h4>What is a Switching Power Supply?</h4>Also referred to as switch mode power supplies (SMPS), a switching power supply is an electronic circuit which converts power. RECOM are experts in producing top-quality SMPS, using AC-DC conversion.<h4>How do RECOM SMPS devices work?</h4>Some of the SMPS devices use AC-DC conversion, which is the most common topology for a switch mode power supply. However, RECOM offer some that use a DC-DC output voltage. The main function of a SMPS is to convert the input voltage to an output voltage, further using a high-power frequency to turn on and off and regulate itself at a desired level.<p>The higher the rating of an SMPS, the less electricity the device consumes.</p><h4>What is a 5V DC output voltage?</h4>A SMPS that has a 5V direct current output can work efficiently for lower-power devices, such as scanners, hard drives, mobile devices, or printers. Being one of the most common power supply voltages, the 5V output voltage is considered to conduct a swift and effortless power rate. <h4>Where can I use a 5V DC output SMPS?</h4>A RECOM SMPS with a 5V DC output voltage can be used in various installations, some of which include:<ul><li>Industrial automation</li><li>TTL (Transistor-Transistor Logic) circuit power</li><li>Precision control circuits</li></ul>

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RECOM 12V DC Output Voltage Switching Power Supplies | RS

Need a fast and high-power switching power supply? RECOM 12V DC Output Voltage Switching Power Supplies have got you covered.<h4>What is a Switching Power Supply?</h4>A switching power supply, also referred to as switch mode power supplies (SMPS), is an electronic circuit which converts power. RECOM specialise in providing high-quality SMPS, using AC-DC conversion.<h4>How do RECOM SMPS devices work?</h4>Essentially, the higher the rating of an SMPS, the less electricity the device consumes.<p>Some SMPS devices use AC-DC conversion, and some use a DC-DC output voltage. The main purpose of a SMPS is to convert the input voltage to an output voltage. They use a high-power frequency to turn on and off and then regulate themselves at a desired level.</p><h4>What can I use a 12V DC output SMPS for?</h4>A RECOM SMPS with a 12V DC output voltage can be used for various purposes, some of which including:<ul><li>Alarms</li><li>Low voltage lighting</li><li>Communications – such as broadcasters and mobile devices</li><li>GPS units</li></ul>

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Traco Power Switching Power Supplies| RS

<p>Feel like switching up your power supply? Take a look at our Traco Power Switching Power Supplies range, available for next day delivery!</p><p>Switch mode power supplies, commonly shortened to SMPS are an electronic circuit used to convert power typically for AC to DC conversion although some devices contain switches that have an output for DC to DC voltage. If you are looking to convert from AC to DC voltage, this device contains an input voltage that can be filtered within the capacitor to give you a DC output. </p><p>A switching power supply works from a switch turning high frequency on and off transforming the input and output voltage of the device. SMPS also contain inductors or capacitors which help to regulate the power, the switch and the capacitor work to maintain the voltage at the level the user requires. </p><p>Switch Mode Power Supplies are commonly used in Laptops/PCs, mobile phones and CCTV systems and therefore are suitable in a range of different environments such as domestic and industrial.  If you are looking to use the SMPS in a desktop computer you need to determine which kind of PC you have before purchasing one of these products- for example If you are using a PC for gaming you need to look for a high efficiency rating which uses less electricity as this helps to stop the PC from overheating as it keeps it cooler. </p>

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Delta Electronics SMPS | Switching Power Supplies | RS

<p>Delta Electronics offers a wide range of SMPS products tailored to different industries and applications. These power supplies are designed to provide stable and regulated DC power, making them crucial components in various electronic systems. Delta's SMPS products often feature advanced technologies for improved efficiency, power factor correction, and compact design.</p><h3>Why Use Delta Electronics SMPM?</h3><p>Delta Electronics' SMPS (Switched-Mode Power Supplies) offer several benefits, making them a popular choice in various applications and industries. Here are some of the key advantages:</p><ul><li><strong>High Efficiency</strong>: Delta Electronics' SMPS are known for their high efficiency, which means they can convert electrical power from the input source to the output load with minimal energy loss. This efficiency not only reduces electricity costs but also minimizes heat generation, which can extend the lifespan of components and improve overall system reliability.</li><li><strong>Compact Design</strong>: Delta Electronics often designs their SMPS with a compact form factor. This space-saving design is essential in applications where size constraints are a concern, such as in modern electronics, telecommunication equipment, and industrial automation systems.</li><li><strong>Wide Range of Output Voltages and Currents</strong>: Delta Electronics offers a broad range of SMPS products with various output voltage and current options, allowing customers to choose power supplies that match their specific requirements.</li><li><strong>High Power Density</strong>: Many of Delta's SMPS are designed with high power density, providing a significant amount of power in a small footprint. This is particularly valuable in applications where space is limited, and power demands are high.</li><li><strong>Enhanced Reliability</strong>: Delta Electronics pays careful attention to the design and manufacturing of their SMPS, often incorporating features like overvoltage protection, short-circuit protection, and thermal protection. These safeguards help ensure the reliability and safety of the power supply and the connected equipment.</li><li><strong>Energy Efficiency and Green Design</strong>: Delta Electronics is committed to environmental sustainability. Their SMPS often incorporate power factor correction (PFC) and other energy-efficient technologies, reducing energy consumption and environmental impact.</li><li><strong>Longevity</strong>: Delta Electronics' reputation for quality and reliability means that their SMPS products are designed to have a long service life, reducing the need for frequent replacements and maintenance.</li></ul>

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Traco Power AC/DC Power Modules TMP Series | RS

<p>Traco Power is known as a leading global power supply expert within the electronics sphere. With over 30 years of experience in the design and manufacturing of DC-DC and AC-DC power supply solutions. Introducing Traco Power's TMP & TMPM series AC/DC Power Modules – compact and efficient power solutions in a sleek design. Discover the future of power with Traco Power – where small size meets robust performance. Explore how the TMP & TMPM series can elevate your projects, setting new standards for reliability and efficiency in AC/DC power solutions.</p><p>Featuring effortless chassis mounting with screw terminal block connection or direct PCB mounting using solder pins. Our products adhere to international safety standards for industrial control equipment, making them suitable for global markets. Ideal for space-critical applications in commercial and industrial electronics, these power supplies provide a cost-effective solution. Whether in clean environments or those with dust and pollution, trust TRACO Power for reliable performance. Here at RS we have a comprehensive array of Traco Power power modules for you to pick from, so you can find the right solution for your project. Browse our range of Traco Power AC/DC power modules available at RS with free next day delivery.</p>

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Traco Power DC-DC Converters THM 60WI Series | RS

<p>Traco Power is known as a leading global power supply expert within the electronics sphere. With over 30 years of experience in the design and manufacturing of DC-DC and AC-DC power supply solutions. Unleash efficiency and power with Traco Power's THM 60WI series DC-DC converters. These converters redefine performance in a compact package, providing a seamless blend of reliability and innovation. The THM 60WI series stands out for its robust design and cutting-edge technology, offering a reliable solution for diverse applications. With an emphasis on space efficiency, these converters deliver a punch, ensuring optimal power conversion without compromising on performance.</p><p>Empower your medical applications with robust performance – a 60 Watt DC/DC converter delivering superior power. The THM 60WI series offers medical-grade 60 Watt DC/DC converters in a compact 2.3" x 1.45" plastic package, featuring a wide 4:1 input voltage range. These converters provide a robust isolation system (5000 VAC) and maintain a very low leakage current of less than 4.5 μA. With an impressive efficiency of up to 92% and top-quality components, they reliably operate in temperatures ranging from –40°C to +75°C with derating. Here at RS we have a comprehensive array of Traco Power DC-DC converters for you to pick from, so you can find the right solution for your project. Browse our range of Traco Power DC-DC Converters available at RS with free next day delivery.</p>

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Traco Power Switching Power Supplies TXLN Series | RS

<p>Traco Power is known as a leading global power supply expert within the electronics sphere. With over 30 years of experience in the design and manufacturing of DC-DC and AC-DC power supply solutions. Introducing TRACOPOWER's TXLN Series: A Cutting-Edge Solution for Reliable Power Supply. Designed with a low-profile metal case and user-friendly screw terminal block connection, the TXLN series stands out for its ease of installation, making it the ideal choice for a wide range of equipment. The TXLN series boasts a low-profile metal case, ensuring seamless integration into various equipment with a user-friendly screw terminal block connection, simplifying the installation process. Enjoy the flexibility of universal input, making the TXLN series suitable for diverse applications and environments. Rest assured with products that meet European EMC standards and the Low Voltage Directive (LVD), ensuring not only performance but also adherence to safety regulations.</p><p>Ensuring versatility across applications. From industrial setups to electronic devices, the TXLN series is designed to excel in a broad spectrum of applications, showcasing its adaptability and versatility. With its compact design and user-friendly features, the TXLN series ensures a hassle-free integration process, saving time and effort. Here at RS we have a comprehensive array of Traco Power Switching Power Supplies for you to pick from, so you can find the right solution for your project. Browse our range of Traco Power Switching Power Supplies available at RS with free next day delivery.</p>

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OMRON Switching Power Supplies | RS

<p>For efficient, safe and dependable power conversion choose a switching power supply from OMRON at RS.</p><p>OMRON's switching power supplies come in a variety of power ratings, input ranges, and efficiency ratings so you can choose one that suits your requirements. DIN rail mounted options are available, ensuring simple and quick set up. Popular series here at RS include the S8FS-C, S8VK-T, S8VS, and more. With long lifespans, OMRON's power supplies are a reliable choice for your systems and devices.</p><h2>What are Switching Power Supplies?</h2><p>Switching power supplies, also known as SMPS, are a type of power supply that uses a switching regulator to convert electrical power.</p><p>They are highly efficient and ensure reduced heat generation. They are compact and light weight, making them a flexible solution for many applications. They can also operate over a wide range of input voltages and provide stable output voltage.</p><h3>Where are they used?</h3><p>You'll find switching power supplies used in a large variety of applications such as for industrial equipment, medical devices, consumer electronics, computers and IT, automotive, LED lighting, and telecommunications.</p><p>Browse OMRON's switching power supplies offer at RS and find the perfect power conversion solution for your devices and systems.</p>

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RECOM Switching Power Supplies | RS

<p>A switching power supply, also known as a switch mode power supply, is a type of electronic circuit which is used to convert power. RECOM specialise in producing high quality switch mode power supplies, which are often referred to as SMPS for short.</p><h2>How do RECOM SMPS work?</h2><p>The most common topology for a switch mode power supply is AC-to-DC conversion, however, there are some switches available that feature a DC-to-DC output voltage. For an SMPS to switch its input voltage to an output voltage, the switch will use a high-power frequency to turn on and off. The device will then regulate itself, with continuous switching maintaining its voltage at the desired level. The higher the rating of an SMPS, the less electricity the device consumes.</p><h3>What are some of the benefits of purchasing a high power SMPS from RECOM's range?</h3><p>RECOM switch mode power supplies are available in many output power levels, including high power options. When designing SMPS's for high power applications, RECOM's designers pay particular attention to issues such as cooling system design and choice of components. Designers of the devices also ensure devices meet the relevant ever-increasing energy efficiency standards and any necessary regulations.</p><h4>Where are RECOM switch mode power supplies used?</h4><p>An SMPS from RECOM's range can be used in a in a variety of domestic, commercial, and industrial applications. Some common applications include desktop PC's, mobile phone chargers, CCTV security systems and machine tool industrial applications. RECOM's high power SMPS's in particular are suitable for many applications including, but not limited to, the automotive industry, transportation industry and the medical field. </p><h5>How do I know if a RECOM power supply is suitable for the medical applications?</h5><p>RECOM's switching power supplies that are designed for medical applications are held to a very high standard of EMC, safety and reliability. They have been designed to meet the following safety standards, which influence the internal design of the power supply:</p><ul><li>IEC60601-1 medical equipment safety standard </li><li>IEC60601-1-2 EMC standard</li></ul><p>Medical switching power supplies are suitable for many applications in the medical field including, surgical tables, laser equipment, MRI, CT and PET scanners, test or measurement systems, and many more.</p>

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