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Each week, we're seeing what's up in the world of electronic and electromechanical components and PCB design. We'll be checking in with leading industry experts, and Würth Elektronik technology specialists and product managers, who are going to shine a light on interesting topics such as energy harvest, wireless power transfer, EMI issues and more. Tune in to get technical design tips and applications during your commute, at your desk, or wherever you might be with the Wurth Elektronik's Wat ...
We're exploring the world of infrared lighting; covering everything from data transfer to biometrics. We'll discuss the difference between infrared LED and other LED technology, and when and how to use photodetectors in your design. Click here to find all Würth Elektronik infrared LEDs, phototransistors, and photodiodes.…
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Würth Elektronik Watts Up Podcast
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A Behind-The-Scenes Look at Current Sense Resistors
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We are giving insight into the current sense resistor and discussing how to evaluate some of the specifics of the component, such as the details in the datasheets, different measurements including the rated current, and the equivalent circuit model and advantages of wide terminal. To watch the complete WEbinar on demand, visit our Würth Elektronik …
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Blocking Quality of Filter Capacitors
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When reading about correct PCB layout techniques in most technical literature, you will most likely read about multi-stage filters and blocking capacitors for supply pins of digital ICs. However, real measurements or practical simulations are often missing. In this podcast, we will show the influence of design, the number of ground vias, and the pl…
The working current is the maximum current that can be used for your connector at any time for any duration. For specific applications, such as motor starters and capacitance discharge, it's recommended you use a higher current than usually accepted by the connector. In today's podcast, we'll discuss what other values need to be considered when sel…
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Würth Elektronik Watts Up Podcast
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Design Essentials for GB Ethernet Front End
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When you're in the development phase of a Gigabit ethernet interface, what is absolutely necessary to consider between the phy and ethernet connector? In this podcast, we're going to dive into the details of the circuit technology, what components need to be considered, and how the board should be properly laid out. We're also going to talk about t…
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Machine Data Made Accessible with Bluetooth™ and Mobile Apps
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Machine data can be collected from almost every device, but how can you make the process easy and comfortable if the device has no display or it's hard to reach? The answer is Bluetooth™. In this podcast, we'll discuss software solutions for fast evaluation and how they can be easily adopted to various applications. To watch the complete WEbinar on…
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Extremely Compact, Isolated Gate Driver Power Supply for SiC-MOSFET (6-10 W)
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The world of technology is ever changing. Wide bandgap power semiconductor devices like Silicon Carbide (SiC) MOSFETs are enjoying growing popularity in many modern power electronic applications like E-mobility and renewable energy. Their extremely fast switching speed capability helps to increase efficiency and reduce the overall size and cost of …
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Differential Pressure Sensors for Industrial Applications
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Recently, pressure sensors have shrunk in footprint, transitions to digital, and have become energy-efficient. Many different types of differential pressure sensors are required in many industrial applications, and the choice of the pressure sensor depends on the end-application. In this episode, we will show examples of applications with different…
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Tips for Designing Power Inductors
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Designers often times rely on design software from the manufacturer, which can help to reduce development time. With tools, such as REDEXPERT, designers get a tool that identifies the right inductance for a buck or a boost converter quickly. In this podcast, we will discuss a few tips and tricks on creating a power inductor for DC/DC converters for…
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Efficient Filter Connection in the Layout
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Advancing technology is built with greater component density, leading to pressing questions regarding circuit board layout. In this episode, we'll answer questions, like how many vias are actually useful and proper arrangement, and how much does the capacitance value and the impendance of the ferrite change with voltage and current? Click here to w…
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Selecting Coaxial Cables and Cable Assemblies
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Coaxial cables are widely used as transmission lines for radio frequency signals and the quality of a coaxial cable assembly is related to many production and assembly details of the product. However, remembering all the details of coaxial cable types can be very complicated. In this podcast, we'll offer suggestions and give a better understanding …
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Feedback Loop Compensation of a Current-Mode Flyback Converter with Optocouplers
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The flyback converter with current-mode control is widely used in isolated applications, in which an optocoupler transmits the output voltage feedback signal across the isolation barrier for regulation. This means that the optocoupler and its characteristics need to be taken into account when designing the compensator to ensure stability and good t…
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Behind the Magic of High Frequency Chip Bead Ferrites
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As technology progresses, EMC continues to grow in importance and there is now a demand to know the characteristics of EMC components being used beyond their current, typical application range. In this podcast, we'll explain the different properties between multilayer ferrite beads in high frequency and standard multilayer ferrite beads, as well as…
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RF Gain Block Amplifier for Broadband Operation
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New technology is being pushed to operate at increased bandwidths over wider frequency ranges. It's important for design engineers to have a reliable all-purpose radio frequency (RF) amplifier on hand. The standard process when changing the operating frequency range of an existing RF amplifier usually requires a new design, but in today's podcast, …
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Transformers- What Characteristics are Important to You?
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In this podcast, we will discuss several iterations of a transformer, all that achieve the same fundamental requirements. We will also illustrate failure modes that are often overlooked by online design tools, and then demonstrate solutions that could reduce cost and improve performance. Click here to watch the complete Webinar on demand, or visit …
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Beat the Heat with Thermal Management
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Thermal management is a challenge due to the miniatiruzation of designs, components, and an increase in power density. In this podcast, we will discuss Thermal Interface Materials and how a good thermal management of your designs will ensure longer component and device lifetime. Click here or visit www.we-online.com/catalog/tm to view Wurth Elektro…
In this episode, we are talking about the function of power modules. Our purpose is to provide an overview of the MagI3C Power Modules from Wurth Elektronik and compare different power modules against other discrete solutions. We will also discuss power module features and benefits as well as explore applications for power modules. To view slides f…
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Interpreting Datasheet Values and Specifications of Capacitors
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Capacitor datasheets are often misunderstood and it is very possible that you are not getting the expected performance in your application. In this podcast, we will explain what information can be found in data sheets and what may be missing, but desperately needed, to understand the behavior of capacitors in circuits and applications. Click here t…
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Optimizing the Lifetime of Optocouplers
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When designing a circuit, one of the main considerations you need to take is the expected lifetime; not only based on the product itself, but also all the individual components included. For optocouplers, the performance degrades over time depending on the operating conditions. In this podcast, we'll give an introduction into how Wurth Elektronik t…
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How to Pass Conducted Emissions Using Line Filters
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Learn the theory on selecting and implementing the right power line filter to reduce conducted emissions. Based on the strategy to separate differential mode and common mode components, we'll explain how to select a filter to pass the tests and demonstrate the effectivements of modal separation by a theoretical approach and live demonstration. Clic…
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Introduction to High Current Power Inductors
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There are many different applications in the market that are initiating high demand for products with higher current capability and the best performance in terms of losses and thermal behavior. In response, Wurth Elektronik has created an ever-expanding portfolio to fill the needs of customers. Today, we will discuss the importance of inductors, as…
In this podcast, we'll take a look at the transformers impact on conducted and radiated EMI in an application and what designers should avoid during the design process in order to minimize EMI. We will explain in detail what practical construction techniques we can employ in order to mitigate these potential emissions. We will also discuss good EMC…
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Flexible Transformers for DC/DC Applications
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Short, sweet, and to the point. Learn how the WE-FLEX and WE-FLEX HV series of flexible transformers could work for your isolated DC/DC converters. In this brief podcast, we'll discuss the benefits of each transformer, explain the differences between the two series, and explain how to understand the important parameters in order to select the right…
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The Effects of Harsh Environmental Conditions on Film Capacitors
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Humidity and temperature have always been critical for many components, and one of the most important are capacitors. Depending on the application, a wide variety of environmental conditions can occur. The location of use also determines the resulting humidity and temperature. An application in subtropical countries has a different demand on the co…
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Throwback- Basics of Power Transformers
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WE are doing Throwback Thursday #TBT – For the next few weeks, we’re republishing our most popular podcasts of the last year. Last week, we replayed our Webinar, "Basics of Power Inductors," with our presenter, George Slama, Senior Application and Content Engineer with Wurth Elektronik. Today, we continue our series on power, with the sequel webina…
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Throwback- Basics of Power Inductors
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WE are doing Throwback Thursday #TBT – For the next few weeks, we’re republishing our most popular podcasts of the last year. This podcast comes from a WEbinar presented by Würth Elektronik's George Slama, Senior Application and Content Engineer. This first session covers inductors and how to specify and select the correct one. Click here to replay…
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Throwback- USB Interface from an EMC Point of View- Part II
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WE are doing Throwback Thursday #TBT – For the next few weeks, we’re republishing our most popular podcasts of the last year. In last week's broadcast, we began our discussion regarding the design of a USB but from a viewpoint of EMC considerations. We discussed the hardware and components, EMC circuitry, and the use of a USB filter. This week, we …
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Throwback- USB Interface from an EMC Point of View- Part I
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WE are doing Throwback Thursday #TBT – For the next few weeks, we’re republishing our most popular podcasts of the last year. Next up, our very popular episode, "USB Interface from an EMC POV- Part I." Today's discussion centers around the Universal Serial Bus, commonly known as USB. We'll be discussing the interface from an EMC point of view, and …
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Throwback- Safe, Reliable Designs for Non-Isolated Offline Switchers with 400VDC Rated Power Inductors
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WE are doing Throwback Thursday #TBT – We’re republishing our most popular podcasts of the last year. First up, "Safe, Reliable Designs for Non-Isolated Offline Switchers with 400VDC Rated Power Inductors." Although the majority of AC offline converters and switching converters that run from hazardous voltage, include galvanic isolation for safety,…
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Common Mode Choke Parameters Explained
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Common mode chokes are widely used noise suppression components for a variety of applications. For a better understanding, we will explain how to properly read the main datasheet parameters and charts to find the right common mode choke for specific applications. We also demonstrate how to simulate common mode chokes using software, such as LT Spic…
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Pressure Altimeter Using an Absolute Pressure Sensor
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MEMS based pressure sensors have gained popularity in recent years for their altimeter functionality. In today's podcast, we'll discuss the altimeter functionality of the absolute pressure sensors from Wurth Elektronik, and the built-in sensor features such as filters, offset calibration, temperature compensation, and more to help customers to impl…
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Retrofitting for Industrial IoT using Wi-Fi
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Retrofitting industrial equipment with sensors and IP connectivity is a cost-efficient way of gaining the benefits of IIoT, like data collection and real-time monitoring, without fully replacing functioning equipment. In this podcast, based off a recent webinar, we present a IoT retrofit connectivity solutions based on the Calypso WiFi module, with…
Measuring current is important to maintain safety control over circuitry. Current sense transformers also give distinct advantages when measuring circuit current. In this interview with Dean Huumala, Senior Manager with the Product Management Group at Würth Elektronik, explains the advantages and uses of current sensors. Click here to view the Curr…
Because of fast assembling and small sizes, designers are turning to surfance mount technology on their PCBs. Although there are still through-hole (THT) components that need to be soldered by Wave, Through-Hole Reflow (THR), allows designers to solder the Through-Hole Components together with the surfance mount parts in the Reflow Oven, thus cance…
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Filtering EMI on an RS-485 Interface: Part II
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In our last episode, we talked about an adapter stick for the RS-485 Standard that was designed to include a complete filter circuit for selected applications. Today's podcast is part two of understanding the RS-485 Transmission Standard, and how to design the correct PCB, measurement of the S-parameters, and an evaluation. Download the complete Ap…
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Filtering EMI on an RS-485 Interface: Part I
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By filtering directly at the interface, interference emissions, electrostatic discharges and fast transients bursts are prevented from entering the system; thus negatively influencing the operating performance. To verify the EMC properties of electrical systems, special tests are carried out in accredited EMC test laboratories, and if these tests a…
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Characterizing Methods for Flexible Absorber Sheets
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The most common means of solving electromagnetic noise problems is to shield the system with conductive materials, however, a large number of electronic devices have many parts that operate at high frequencies that can cause complex EMI problems that cannot be removed with conductive shielding. In today's podcast, we discuss ways to avoid these iss…
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An In-Depth Look at the Mechanical and Electrical Properties of ZIF/LIF/FFC
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Besides the basic guidelines for applications, designers need to consider mechanical and electrical properties when selecting FPC connectors and FFC cable. This podcast comes from a recent webinar, in which Wurth Elektronik Application Engineer Frank Fraeber discusses the characteristics and differences of each connector and explains how to select …
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Sustainable Food Production with Horticulture LEDs
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At the Applied Power and Electronics Conference (APEC) in Houston, Texas in 2022, Wurth Elektronik showcased its Hortirack. The Hortirack is a horticulture grow chamber that allows users to grow plants and produce from seedlings; using an array of horticulture LEDs produced by Wurth Elektronik. Today's podcast gives insights into the world of horti…
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Energy Harvesting Development Steps
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In this podcast, we explore the world of energy harvesting and discuss ways to not only harvest energy, but also use it in electronic applications. This podcast, based on a popular webinar, delves into the bascis first, describing ambient energies available, then moves on to challenges in converting and storing energies. We will finish off by exami…
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The Aging and Changing of MLCC Capacity
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Applications depend on certain or fixed capacity values to achieve a desired performance. However, ambient temperature, structural changes or component tolerances play an important role. Today we will discuss an overview of the most important factors and how these can be reduced by using a different material or external influences. Download the com…
Our last podcast introduced ferrites and the basics of EMC. Today we finish with a discussion on insertion losses and calculations and close with clamp-on ferrites. Click here to watch the complete WEbinar on demand, or visit Würth Elektronik online at www.we-online.com/webinars.Oleh Amelia Thompson
In today's podcast, we discuss the basics, along with an overview of EMC, details on chip bead ferrites, and how to correctly read datasheets associated with ferrites. Click here to watch the complete WEbinar on demand, or visit Würth Elektronik online at www.we-online.com/webinars.Oleh Amelia Thompson
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Determining the Ideal Power Inductor for Energy-Efficient Applications
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Energy-efficient devices are important components for saving resources and protecting the environment. The more efficient the electronics, the longer the battery service life for mobile devices, and in large-scale industrial and server installations with thousands of loads, the energy requirement is clearly reduced. The basis for energy-efficient d…
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EMC Passive Components for Automotive Applications
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Anymore, passive components that are only AEC-Q200 tested are not enough for the use in automotive application. Many more tests are needed for qualification for a good design and high quality component because without electronics, our vehicles would not operate. In this podcast, we discuss a few little design tips using passive components that are …
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Negative Input Resistance of Switching Regulators
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Even though a switching regulator may produce a constant output voltage at the end of the development phase, often, designers encounter unpleasant effects, such as unwanted oscillations, at the input. So why does the input of the switching regulator tend to oscillate under certain circumstances? In this podcast, we examine "negative" resistance and…
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REDCUBE Terminals – Innovation at its Finest
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While Press-Fit is becoming more widely known in the industry, do the masses of designers really understand the benefits of using the technology? In this interview with Ben Arden, Business Development Manager for the Electromechanics Division at Würth Elektronik's, Ben explains the advantages and uses of REDCUBE Press-Fit components. Click here to …
Today, an innovative sensor system contains so much more than just the single sensor cell. The ongoing miniaturization in microelectronics development makes it possible to design Application Specific Integrated Circuits, or ASICs, with remarkable performance and minimal size. In today's podcast, we will show that besides an analogue to digital conv…
A whisker is a crystalline structure of material that appears on tin surfaces. This well-known phenomenon was discovered in the early 1950's, and new legislative actions to avoid lead in electronic components has lead to the return of this whisker problem. These whiskers may reduce the isolation resistance and additional problems arise when the whi…
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Small, Inconspicuous, and Underestimated. EMC Ferrites are More Than Birdseed on the PCB
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EMC ferrites are widely used on many PCBs today. In this podcast, we'll discuss the influence of DC bias and explain the differences between the old measurement type and new extended measurement type. We also discuss the influence of temperature and compare the surface mount ferrite to the surface mount ferrite for high frequency applications, then…
