Passive and Discrete Reference Materials
Reference Articles 301 - 400 of 506
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Temperature-Compensated High Temperature SmCo Magnets for Traveling Wave Tubes
Description: Why High Temperature Magnets? ...
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What is Rare Earth?
Description: In the last 20 years, the demand for many devices that require rare earth metals has been increased exponentially primarily due to some of the very popular electronic devices such as cell phones, ...
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How to test a magnet using a Gaussmeter
Description: A magnet producer has a lot of equipment available that can be used to investigate magnets, but these tools are generally not needed for the average user. If your application depends on the magnetic ...
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Magnetic Field Calculator
Description: This tool calculates magnetic field strength measured in gauss, on the centerline of a disc magnet or ring magnet magnetized through its thickness, at a distance of X from the surface of the magnet. ...
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Sheet Size Calculator
Description: Want to know how many pieces of your final size magnet you can get out of a 200 SF roll of magnetic sheet? Or how much your order will weigh based on how many pieces you want? Just plug in the size ...
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Industrial Magnetics Featured in Food & Beverage Technology Review
Description: Chief business development officer, Dennis O'Leary, discusses a recent case study where an IMI magnetic drawer-in-housing helped a food manufacturer with a ferrous metal contamination issue they were ...
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Strain measurement
From: MonoDAQDescription: How to measure strain? and What is a strain gauge? ...
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Advantages-of-Toroidal-Transformer
From: Powertronix Inc.Description: A small transformer is less expensive to manufacture and reduces the your overall system cost by allowing chassis design. The transformer core, designed from a single strip of steel, will save cost by ...
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What is an Electromagnet? General Technical Overview
From: GEEPLUS Inc.Description: The electromagnet is a simple holding device. When energised it will attach itself to a flat steel surface with high force. When de-energised the attracting force is switched off. ...
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Magnets for Industrial Use
Description: For most people, when they think of a magnet they think of a simple item that sticks to a refrigerator door, or a clasp that holds a piece of jewelry together. But there is a whole other world of ...
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The State of the Rare Earth Magnet Market: What we know
Description: There is more uncertainty in the market right now, a result of inflamed trade and tariff rhetoric from the U.S. and China. The media has already declared the situation to be a trade war, which has ...
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What are Neodymium Magnets?
Description: A neodymium magnet is the strongest known type of permanent magnet. These are not your average refrigerator magnets! Neodymium magnets are the strongest permanent magnets available and, even if you've ...
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Inductor Q, Quality Factor
Description: It is possible to measure and quote the Quality Factor or Q Factor for an inductor. ...
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Bringing science to the selection of mica capacitors for RF and microwave circuits
From: Cornell DubilierDescription: When designing for RF or high-power applications, capacitor choices can have a big impact on a circuit's performance. To make things challenging, at high RF and microwave frequencies, specifying ...
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Dynamically Achieve Magnetic Bead Separation and Resuspension in One Device
Description: Particle separation is a common task in the life sciences. In biomedical fields ranging from immunology and proteogenomics to molecular biology and in-vitro diagnostics, it is often necessary or ...
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Questions about magnets
Description: commonly asked questions about magnets and magnetism ...
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The State of the Rare Earth Magnet Market: What We Know
Description: Rare earth magnets are back in the headlines again. ...
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Deriving Life Multipliers for Electrolytic Capacitors
From: Cornell DubilierDescription: Aluminum electrolytic capacitors are routinely used as input bus capacitors in the power supply sections of electronic equipment such as motor drives, UPS systems, and welders. Most of these ...
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Design and Testing of Capacitors for Uninterruptible Power Supplies
From: Cornell DubilierDescription: Uninterruptable Power Supplies (UPS) have become a necessity for any system or data that can be lost, damaged or impaired by an unexpected power failure. Common backup power applications range from ...
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Design Snubbers for Power Circuits
From: Cornell DubilierDescription: What's a snubber? Power semiconductors are the heart of power electronics equipment. Snubbers are circuits which are placed across semiconductor devices for protection and to improve performance. ...
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Heating in Aluminum Electrolytic Strobe & Photoflash Capacitors
From: Cornell DubilierDescription: Capacitor heating occurs in all aluminum electrolytic capacitor applications where a current is present, since the electrolytic capacitor is a nonideal capacitor which has resistive and other losses. ...
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Improved Spice Models of Aluminum Electrolytic Capacitors for Inverter Applications
From: Cornell DubilierDescription: Impedance modeling of aluminum electrolytic capacitors presents a challenge to design engineers, due to the complex nature of the capacitor construction. Unlike an electrostatic capacitor, an ...
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Inverter Output AC Filter Capacitor for Today's Demanding Applications
From: Cornell DubilierDescription: Many of today's inverter circuits require highly reliable and rugged capacitors to filter out the rich harmonic content of their AC output waveforms. The current of the harmonics at the output of ...
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Predicting Operating Temperature and Expected Lifetime of Aluminum-Electrolytic Bus Capacitors with Thermal Modeling
From: Cornell DubilierDescription: Large-can aluminum electrolytic capacitors are widely used as bus capacitors in variable-speed drives, UPS systems and inverter power systems. Accurate thermal modeling of the capacitor's internal ...
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Reliability of CDE Aluminum Electrolytic Capacitors
From: Cornell DubilierDescription: All design engineers who consider using aluminum electrolytic capacitors want to know how long they will last and how many they can expect to fail. Many engineers do not realize that these are ...
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RF Capacitor Performance Data for Multilayer
From: Cornell DubilierDescription: Types MC & MCH Chips and Clad SMT Types MIN & MCM Sizes 1812 to 4640 (100 pF; 470 pF; 1000 pF; 1 pF; 10 pF) ...
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Selecting and Applying Aluminum Electrolytic Capacitors for Inverter Applications
From: Cornell DubilierDescription: Aluminum electrolytic capacitors are widely used in all types of inverter power systems, from variable-speed drives to welders to UPS units. This paper discusses the considerations involved in ...
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SOLID POLYMER ALUMINUM CAPACITOR CHIPS IN DC-DC CONVERTER MODULES
From: Cornell DubilierDescription: The new, 125 °C, solid polymer aluminum (SPA) capacitors have performance advantages over other types of low ESR capacitors when used as output filters in DC-DC modules. The principal advantage of an ...
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Thermal Modeling of Aluminum Electrolytic Capacitors
From: Cornell DubilierDescription: A comprehensive thermal model for screw-terminal aluminum electrolytic capacitors is developed. The test methodology and data upon which the model is based are discussed. Exact one-dimensional ...
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Transient Thermal, Electrical and Lifetime Analysis of Large-Can Aluminum Electrolytic Capacitors
From: Cornell DubilierDescription: Outline: I. Consequences and analysis techniques of transient behavior peculiar to large aluminum electrolytic capacitors: 1. Time-varying hotspot location 2. Highly anisotropic winding 3. Coaxial ...
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TechTip: Digital I/O Techniques
From: Measurement ComputingDescription: This document is intended for users who configure and operate the digital input/output channels of a DAQ system. ...
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Aluminum Electrolytic Capacitors Built to Withstand Harsh Conditions
From: Cornell DubilierDescription: When it comes to mission-critical applications such as those found in military or space, reliability and the ability to withstand the harshest of conditions is of paramount importance. Cornell ...
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Cornell Dubilier Introduces Customizable Online Custom Catalog Generator
From: Cornell DubilierDescription: Many engineers have a love-hate relationship with paper catalogs. Nothing is easier to use or more accessible, but catalogs quickly become dated and most of the content doesn't relate to individual ...
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How new flat capacitors are stimulating design of smaller, more reliable products
From: Cornell DubilierDescription: Aluminum electrolytic capacitors have been a mainstay in electronic power circuits for their ability to provide large bulk storage, high voltage and high energy density. However, in a growing number ...
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Why Military and Aerospace Designers Are Turning to Aluminum Electrolytic Capacitors
From: Cornell DubilierDescription: Early conventional aluminum electrolytic capacitors were known to lose electrolyte over time through outgassing. The loss of electrolyte, called dry-out, results in loss of capacitance and increases ...
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Demagnetization Curves
Description: A second quadrant demagnetization curve provides information about the magnetic characteristics of a magnet, including the magnetic field strength and how resistant it is to demagnetize. How it is ...
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Inductors for the Lowest Power Losses in a High-Current Point-of-Load Application
From: ITG Electronics, Inc.Description: Today, the trend of electronic equipment and devices is focused on smart designs that are small, thin and lightweight. These trends challenge design engineers to provide high power conversion ...
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5 Time & Money Saving Tips for Changing Up your Seasonal Displays
Description: Tis' the season for holiday display changes, new themed signage and Mariah Carey's "All I want for Christmas is You" playing on a constant loop. Not to mention the never-ending nightmare of ...
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Adams helps set and maintain technical standards for magnet materials
Description: there four are new standards for permanent magnets ...
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Atoms Magnetic: Solving Permanent Magnet Supply Issues?
Description: Interesting news out of Duke University, where new magnets are now being built in a laboratory, atom by atom. While production on a mass scale at a reasonable cost is still many years away, this could ...
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Costly Cobalt
Description: For a variety of reasons, one of the materials that goes into permanent magnets has been getting much more expensive lately. It is not one of the rare earth that made headlines a few years ago for ...
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How Are Magnets Affected by Cold?
Description: Cold weather is great for enjoying hot cocoa by a fireplace, college football, and white Christmases. But what does it do to magnets? ...
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How did Mars lose its magnetism?
Description: Mars is the only major planet in our solar system that doesn't have a planet-wide magnetic field. Given the planet's proximity and similarity to Earth, the lack of a protective magnetic field has ...
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Industrial Magnets Removed from List 3 Tariffs
Description: You may have heard that the U.S. Trade Representative (USTR) had been considering a tariff of up to 25% on industrial magnets from China. These tariffs would have affected many of our products, as ...
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Infographic: Don't look now but... You're surrounded by magnets
Description: Usually you won't see them but they're there, inside the devices you use every day ...
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It Goes to 11: Florida Lab Sets New Magnet Strength Record
Description: The National High Magnetic Field Laboratory is reclaiming its status as home to the world's strongest magnet. ...
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Marketing with Magnet Sheets: The Appeal of In-Store Displays
Description: While online sales have revolutionized the retail business, there are still millions of people who prefer and enjoy shopping in an actual store. For business owners, just luring folks away from amazon ...
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Toyota's New Neo
Description: The heavy rare earth elements such as Dysprosium and Terbium played a role in huge price spikes in the permanent magnet industry a few years ago. These elements are crucial to enable Neodymium Iron ...
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When It Comes to Sustainability, Magnets Just Click
Description: True to their nature, magnets are attracting attention in all kinds of industries. Suitable for an enormous range of surfaces, magnets provide the strength and durability of mechanical closures and ...
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Industrial Magnetics, Inc. Commisssioned for Ergonomic Lift-Assist Magnet
Description: Industrial Magnetics Inc. was recently commissioned to design a custom magnetic lifting solution to assist in the repetitive handling of a large, heavy part in a customer's manufacturing process. ...
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New Tool Calculates Revenue Loss in Used Beverage Can(UBC) Recovery Streams
Description: Industrial Magnetics, Inc. recently published a new tool on their website to help plant managers calculate potential revenue loss from their existing Used Beverage Can(UBC) recovery lines. ...
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Dexter Helps Companies Go Green!
Description: A rare permanent magnet system can replace a high power consumption electromagnet in the beam bending or deflection section a mass spectrometer. ...
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How to choose the right potentiometer for reliable sensing
From: Hoffmann + Krippner Inc.Description: Sensing potentiometers are often used in the design & development of solutions for industrial automation, medical equipment and devices, automotive R&D, forklifts, industrial doors, high end kitchen ...
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Using a Passive Sinewave Filter to Eliminate Common Mode and Differential Mode
From: MTE CorporationDescription: An integrated output filter that eliminates motor problems due to the PWM waveforms in both common mode and differential mode operation is proposed. The filter includes a three phase inductor ...
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Permanent Magnets Materials
Description: Understanding permanent magnets / rare earth magnets and how their application can play into the innovative devices of today's markets is the foundation of our business. At Dexter, our long history of ...
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About Dipoles, Halbach, & Stelter Arrays
Description: Dipoles consist of a pair of magnets across a gap. They come in many shapes/sizes and the magnets are usually mounted on a steel frame (also called a yoke) for magnetic efficiency, magnetic shielding ...
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About Magnetic Couplings
Description: At Dexter we are the magnet industry's leading provider of custom magnetic couplings. We offer three types of couplings: synchronous, eddy, and hysteresis. ...
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About Magnetic Sensors and Encoders
Description: Magnetic sensors indirectly measure properties such as direction, position, rotation, angle and current by detecting the magnetic field and its changes. Compared to other direct methods, such as ...
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Understanding Permanent Magnets / Rare Earth Magnets
Description: Understanding permanent magnets / rare earth magnets and how their application can play into the innovative devices of today's markets is the foundation of our business. Dexter's long history of ...
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Frequently Asked Questions About Magnetization Patterns
Description: What are the possible magnetization patterns for magnets? ...
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Frequently Asked Questions About Magnets for Sensors
Description: "How do I convert an Amp-Turn rating to Gauss?" and other questions. ...
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A Comparison Of Surface Mount Aluminum and Tantalum Electrolytic Capacitors
From: Illinois CapacitorDescription: Tantalum capacitors have seen unprecedented growth that has left the availability of these capacitors so scarce that engineers have been forced to redesign their circuit boards using alternative ...
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Aluminum Electrolytic Capacitors Safety Vents
From: Illinois CapacitorDescription: Circuit board traces and wires are not to be located over the safety vents of aluminum electrolytics capacitors. In the event the safety is activated, hot flammable gases can be expelled from the ...
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Aluminum Electrolytic Capacitors Sleeve Material
From: Illinois CapacitorDescription: The sleeve on the capacitors is for identification purposes. It has no electrical or other functional characteristics. The marking sleeve material of PVC (polyvinyl chloride) has been the standard ...
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An Introduction To Selecting Film Capacitors
From: Illinois CapacitorDescription: Todays' engineers are quite well versed about how to employ embedded processors, write code and even robotic technologies. However, when it comes to the selection and application of passive ...
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Application Guide for High Power Resonant Capacitors
From: Illinois CapacitorDescription: The following formula is to be used to determine what capacitance value is required. ...
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Capacitor Markings
From: Illinois CapacitorDescription: Component traceability: Aluminum electrolytic capacitors. ...
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Capacitor Markings Snap in Aluminum Electrolytics
From: Illinois CapacitorDescription: Capacitor markings. ...
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Cleaning Solvents
From: Illinois CapacitorDescription: When cleaning circuit boards care should be taken to prevent the capacitor from being contaminated by the cleaning solvent. Halogenated cleaning solvent should not be used. These solvents can ...
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EMI/RFI Interference suppression
From: Illinois CapacitorDescription: EMI/ RFI Interference suppression capacitors are used to filter out any noise or high voltage spikes that can cause damage to a circuit device. ...
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Failure Modes and their Causes
From: Illinois CapacitorDescription: Failure modes, mechanisms, and root causes. ...
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Film Capacitor Technical Information and Selector Guide
From: Illinois CapacitorDescription: Glossary of film capacitor technical specs. ...
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Handling of Aluminum Electrolytic
From: Illinois CapacitorDescription: Tantalum capacitors have seen unprecedented growth that has left the availability of these capacitors so scarce that engineers have been forced to redesign their circuit boards using alternative ...
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IGBT Snubbers
From: Illinois CapacitorDescription: Capacitors are needed in IGBT circuits to protect the module from damage from transient voltages. Decoupling the parasitic bus inductance with a low inductance capacitor mounted directly to the IGBT ...
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Impedance, Dissipation Factor and ESR
From: Illinois CapacitorDescription: Dissipation factor (tan d)or DF is defined as the ratio of the ESR and capacitive reactance. It is the Dissipation factor is also known as the tangent of the loss angle and is commonly expressed in ...
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Introduction to Film Capacitors
From: Illinois CapacitorDescription: Film capacitors can be divided into three basic construction types: film/foil capacitors, metallized film capacitors, and mixed technology capacitors. ...
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Life Expectancy of Aluminum Electrolytic Capacitors
From: Illinois CapacitorDescription: Aluminum electrolytic capacitors slowly degrade over time and once the capacitor has degraded beyond a specified amount, the capacitor is considered to have failed. Most capacitors are considered a ...
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Life Expectancy of Film Capacitors
From: Illinois CapacitorDescription: Film capacitors reliability is determined in a similar manner as aluminum electrolytic capacitors with the exception that the applied voltage has an even greater effect on the reliability. ...
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Low ESR Capacitors: Fact or Fiction?
From: Illinois CapacitorDescription: With the rapidly changing landscape in ICs and other semiconductors, it is easy to think of the supporting cast of electrolytic capacitors as a design constant. While many electrolytics look similar ...
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Polymer Capacitors
From: Illinois CapacitorDescription: Aluminum polymer electrolytic capacitors are the latest evolutionary step in improving the properties of aluminum electrolytic capacitors to make them more like a film capacitor. ...
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Reliability of Capacitors
From: Illinois CapacitorDescription: MTBF (Mean time between failures) is the most commonly used reliability rating used today. Aluminum electrolytic capacitors do not failure in a manner where MTBF can be used accurately. Instead of ...
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Soldering of Aluminum Electrolytic Capacitors
From: Illinois CapacitorDescription: When soldering aluminum electrolytic capacitors with a soldering iron the exposure should be limited to 260°C for 10 seconds or 350°C for 3 seconds. ...
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Storage of Capacitors
From: Illinois CapacitorDescription: Storing aluminum electrolytic capacitors at high temperatures or in direct sunlight will cause the electrolyte within the capacitor to evaporate through the rubber end seals. The loss of electrolyte ...
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Supercapacitors
From: Illinois CapacitorDescription: Supercapacitors also called ultracapacitors and electric double layer capacitors (EDLC) are capacitors with capacitance values greater than any other capacitor type available today. Capacitance values ...
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Voltage Balancing Resistors
From: Illinois CapacitorDescription: Ideally when capacitors are placed in series the voltage across each capacitor should be distributed evenly across the capacitors. This does not always occur as intended due to the variations in the ...
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Application: Planar Transformers - Automotive, eCar
Description: An automotive manufacturer approached Standex- Meder with the challenge to provide a reduction in height of 50% from a traditional wire wound transformer, and create a custom solution that met their ...
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Magnetization
Description: All about magnet types. ...
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Magnets and Their Specifications
Description: Magnets are available in multiple specifications on the market. Almost all dimensions and geometries can be realised. To activate the reed switch a magnet (magnet field) is needed. The different ...
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Permanent Magnet Technology
Description: This presentation explores magnet technology and how magnets are used in the electronics industry. ...
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Reed Switch And Magnet Interaction
Description: This presentation explores the technology of how magnets interact with reed switches producing a reed sensor. ...
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SME Capabilities & Solutions - Planar Transformers & Inductors
Description: Planar transformers are steadily replacing the need for traditional wire-wound transformers in many industries. Electric vehicles, solar inverters, wind power, aviation, healthcare, and industrial ...
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SME Capabilities & Solutions - Why SME Planar Transformers
Description: If I were to tell you that there was a way to reduce costs, electrical efficiency capabilities, and enhance electrical capacity through a product you needed - would you buy it? Of course you would! ...
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Application: Planar Transformers for Military and Aerospace Applications
Description: Over the past decade or so, the use of planar transformers in military and aerospace applications has grown rapidly. Military and aerospace (Mil-Aero) applications typically require a lot of ...
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Frequently Asked Questions About Bonded Magnet Materials
Description: NeoForm® material produces almost twice as much flux density as anisotropic ceramic magnets (grades 5 - 8), so substituting NeoForm® material is a fairly safe way to extract greater ...
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Frequently Asked Questions About Choosing Magnet Materials
Description: A hysteresis alloy's composition, orientation and heat treat are optimized to produce maximum hysteresis losses. Generally materials are engineered to reduce losses. Hysterloy is usually supplied in ...
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Frequently Asked Questions About LIFESEP® Biomagnetic Separation Units
Description: Two good printed resource materials are Advances in Biomagnetic Separation published by Eaton Publishing, ISBN 1881-299-0105 and Magnetic Separation Techniques Applied to Cellular and Molecular ...
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Frequently Asked Questions About Limits of Magnet Materials
Description: Indeed there are. There has been much work on alloys based on a compound of Sm-Fe-N [aka Samarium-Iron Nitrides]. Although these materials do not as yet have the kinds of energy products that we are ...
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Frequently Asked Questions About Magnet Coatings and Plating
Description: Nd-Fe-B magnets have improved dramatically over the last 10 years. But they still contain iron and other reactive phases, and will rust. Nd-Fe-B is a blended powder before it is pressed into a magnet. ...
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Frequently Asked Questions About Magnet Processing and Manufacturing
Description: As a general rule, cast or sintered magnet materials are very hard (RC46). This is 46 on the Rockwell "C" scale, which is harder than commercially available drills and taps, so tools will heat up and ...
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Frequently Asked Questions About Magnetic Theory and Design
Description: What's the difference between the intrinsic curve and the normal curve? I understand that we generally use normal curve when designing the magnets, so when is the intrinsic curve used? The intrinsic ...