Looking Closer at Resonant Capacitors in Electric Vehicles

Posted by Simon Mao on Nov 23, 2021 7:15:00 AM

One of the primary goals in electric vehicles (EVs) is to increase the efficiency of its power conversion devices. The more efficiently power is converted, the further distance the EV can travel on one charge. For example, by reducing losses in a DC-to-DC (or DC/DC) converter, the converter (and overall vehicle) benefits from improved energy efficiency, a more streamlined design, and diminished heating from components.

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Topics: Capacitor, Automotive, Electric Vehicles

Live Webinar: Addressing MLCC Performance Issues in High-Voltage EV Applications

Posted by Steve Hopwood on Nov 10, 2021 9:00:00 AM

Join us and Charged EVs on Wednesday, November 17 at 10 am EDT for our latest live webinar – Addressing MLCC Performance Issues in High-Voltage EV Applications.

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Topics: Capacitor, News and Events, Automotive, Electric Vehicles

Webinar: High-Reliability MLCCs for Medical Implantable Applications

Posted by Victor Lu on Oct 20, 2021 9:00:00 AM

If you’re struggling with the challenges of ensuring high-reliability with your medical device electronics, you won’t want to miss our upcoming webinar sponsored by GlobalSpec, Using High-Reliability MLCCs for Medical Implantable Applications, on Thursday, November 4 at 11:00 am EDT.

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Topics: Capacitor, News and Events, Medical, High Reliability

A Custom Approach to Large Capacitor Assembly

Posted by Steve Hopwood on Oct 13, 2021 9:00:00 AM

Achieving high capacitance means going big. But how do you do that while still maximizing board space? At Knowles Precision Devices, we’ve developed a new method for building customizable large capacitor assemblies that capitalize on the vertical space above the circuit board. While stacked capacitor assemblies have been around for many years, these parts do not have very good bump and vibration withstand due to the thin leads used in their construction. These new assemblies from Knowles Precision Devices offer a ruggedized construction capable of withstanding high levels of shock and vibration. This offers a unique combination of capability, durability, high capacitance, and very high voltage in a smaller area, making these capacitors ideal for automotive, military, and aerospace applications.

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Topics: Capacitor, Automotive, Military and Aerospace, High Reliability

EIA MLCC Case Sizes: Past and Future

Posted by Victor Lu on Sep 22, 2021 9:15:00 AM

Standards are a form of technical infrastructure, and their influence is felt throughout the electronics industry. For example, formed in 1924, the Electronic Industries Alliance (EIA) was an American standards organization that established an alliance of trade associations in the United States electronics manufacturing industry. Their collaboration ensured that electronic equipment produced by different manufacturers was compatible and interchangeable. The EIA formally dissolved in February 2011, dividing by sector.

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Topics: Capacitor

Solving Tough Technical Challenges Through Agility and Experience

Posted by Steve Hopwood on Sep 8, 2021 9:00:00 AM

At Knowles Precision Devices, we thrive on working with companies who want to take technically challenging ideas and work through the details to figure out how to turn their seemingly impossible ideas into reality. This is because we are not limited to volume production and have extensive experience making specialty and custom parts. We are also familiar with the challenges associated with delivering high-reliability components as we supply many industries and applications that depend on the consistent functionality of custom-shaped parts. For example, we provide numerous space grade components and we are the only manufacturer who has developed planar array ceramic parts for the International Space Station. 

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Topics: Capacitor, Medical, High Reliability

Your Quick Guide to Trimmer Capacitor Selection – Part 2

Posted by Matt Ellis on Jun 2, 2021 8:45:00 AM

In part 1 of this two-part guide, we talked about the trade-offs you need to make when selecting the type of capacitor that will be the best fit for your application and the basics of trimmer capacitor design including dielectric material options. This second post focuses more on the details of trimmer capacitor specs and how to determine what's right for your application.

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Topics: Capacitor, Medical

Your Quick Guide to Trimmer Capacitor Selection – Part 1

Posted by Matt Ellis on May 19, 2021 9:00:00 AM

As you already know, capacitors are essential circuit elements for storing and suppling charge on demand. For inductors and resistors, capacitors act as the building blocks of passive circuits and the supporting components for active circuits. While a wide range of fixed-value capacitors are used in most electrical circuits, it is sometimes preferable, or necessary, to use a component with a variable capacitance range.

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Topics: Capacitor

Should I Use a Tantalum or Class II MLC Capacitor in My Circuit?

Posted by Victor Lu on Apr 7, 2021 9:00:00 AM

Today, a wide variety of capacitors with a range of features are available, which can make it difficult for circuit designers and electrical engineers to determine the best fit for their application. To add to the confusion, there is somewhat of a misconception today that some capacitors, such as tantalum and Class II MLCCs, are interchangeable. But this is not always the case. Each capacitor type has distinct advantages and disadvantages that are important to understand to ensure you choose the right technology to best meet the needs of your specific application requirements. This post provides a brief overview of these two capacitor types as well as a variety of factors to consider when making your capacitor selection.

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Topics: Capacitor

Introducing the Highest Voltage, Smallest Footprint SLC on the Market – The V80 Bypass Capacitor

Posted by Cheriyan Perumal on Mar 31, 2021 9:00:00 AM

As RF and microwave systems require higher performance in a small footprint, designers and engineers need to get more out of every component, including capacitors. To meet these demands, Knowles Precision Devices has expanded its line of single-layer vertical electrode (V Series) capacitors to include the 100nF V80 Bypass Capacitor. The V80 is a revolutionary development for capacitors as it is the first SLC to feature an operating voltage of 50V in .084” x .042” package. The closest competitor product at this size is only rated for 16V.

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Topics: Capacitor

Insights Into Precision Passive Devices

Knowles Precision Devices is a premier global source for Capacitors, RF Filters, EMI Filters, Resonators, non-magnetic components and advanced dielectric materials. An umbrella for the brands of Compex, DLI, Johanson MFG, Novacap, Syfer and Voltronics, Knowles Precision Devices serves a variety of markets including military, aerospace/avionics, medical equipment, implantable devices, EMI and connector filtering, oil exploration, instrumentation, industrial electronics, automotive, telecoms and data networks.

This Blog will provide insights into:

  • Filters for 5G and mmWave
  • Capacitors for High Voltage
  • Capacitors for High Reliability

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