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Capacitors

Snap-in aluminum electrolytic capacitors sport outstanding ripple-current specs

February 19, 2021 By Redding Traiger Leave a Comment

TDK Corporation presents the new EPCOS aluminum electrolytic capacitor series B43548* with snap-in terminals. The capacitors feature an excellent maximum ripple current capability of 9.80 A (400 V, 100 Hz, 60 °C). This makes them ideal for demanding applications in power electronics. The capacitors are designed for a maximum operating temperature of 105 °C, have […]

Filed Under: Capacitors, Development Tools, Industrial, Medical Tagged With: tdkcorporation

Selecting dc-link capacitors for inverters

February 9, 2021 By Lee Teschler Leave a Comment

One key factor: Determining the nuances of how capacitors handle expected ripple currents. Sam G. Parler, Jr., P.E. Cornell Dubilier Examine a dc link capacitor’s ac ripple current and you’ll realize it arises from two main contributors: the incoming current from the energy source and the current drawn by the inverter. Of course, capacitors cannot […]

Filed Under: Capacitors, FAQ, Featured, Power Electronics Handbook Tagged With: cornelldubilierelectronics, FAQ

Hybrid lithium-ion supercaps deliver up to 220 F at 3.8 V

February 8, 2021 By Redding Traiger Leave a Comment

Cornell Dubilier Electronics introduces two new series of Hybrid LIC Supercapacitors in response to the growing need for ultra-high capacitance values at higher operating voltages.  The new VMF and VPF Series operate at 3.8 WVDC with capacitance values up to 220 Farads. The higher voltage results in increased energy density. With nearly eight times the energy density and a […]

Filed Under: Capacitors, Development Tools, IoT, LED Lighting, Lighting, Power Management Tagged With: cornelldubilierelectronics

Emerging applications for switched capacitor power conversion

February 4, 2021 By Aimee Kalnoskas Leave a Comment

Switched capacitor (SC) technology is often associated with on-chip filters and amplifiers or low-power and low-voltage power conversion such as charge pumps for wearables, Internet of Things (IoT) and similar battery-powered devices. That is changing. Today, SC power conversion is being developed for higher-power and higher-voltage industrial, electric vehicle and power grid applications such as […]

Filed Under: Capacitors, FAQ, Featured Tagged With: FAQ

What are switched capacitor filters, amplifiers and integrators?

February 3, 2021 By Jeff Shepard Leave a Comment

Switched capacitors (SCs) are highly-versatile circuit elements that can be used to provide various functions, ranging from micro-scale implementations embedded in integrated circuits (ICs) or designed into wearables and other small devices, to a variety of power conversion applications, up to grid-scale systems. This FAQ series will explore the versatility of switched-capacitors. Following this initial […]

Filed Under: Capacitors, FAQ, Featured, filters, Power Components, Resistors Tagged With: FAQ

How to shrink size and boost performance with low inductance electrolytic capacitors

January 29, 2021 By Aimee Kalnoskas Leave a Comment

low-inductance capacitors

By Suzana Jankuloska, Aluminum Electrolytic Product Manager at KEMET Corp Electrolytic capacitors optimized for low internal inductance can help reduce the cost of industrial power-conversion applications while increasing efficiency, performance, and reliability. As the automation of manufacturing and assembly processes continues to become more widespread, driven by emerging trends such as Industry 4.0 and the […]

Filed Under: Capacitors, FAQ, Featured, Power Components Tagged With: FAQ

High-temp, high-ripple current capacitor yields long life

December 24, 2020 By Redding Traiger Leave a Comment

New Yorker Electronics has announced the release of the new Vishay BC Components 190 RTL Aluminum Capacitors for increased design flexibility and board space in high-temperature applications. The new Automotive Grade miniature aluminum electrolytic capacitors offer high ripple currents up to 3.36A, operating temperatures to +125°C, and up to 6,000 hours of usable life.   […]

Filed Under: Automotive, Capacitors, Converters, DC-DC, Development Tools, Industrial, Medical, Telecommunications Tagged With: newyorkerelectronics

Eval board helps evaluate 100-V high-speed, GaN half-bridges

December 3, 2020 By Redding Traiger Leave a Comment

GaN Systems announced a new 100V High-Speed, Half-Bridge Evaluation Board (GS-EVB-HB-61008P-ON) in collaboration with ON Semiconductor (OnSemi), a world-leading supplier of power semiconductor ICs. Available now through distribution partners, this high-performance solution is developed for existing and new PCB designs and allows power electronics designers to easily evaluate GaN for growing 48V market applications, including non-isolated step-down converters, non-isolated […]

Filed Under: Capacitors, Converters, Development Tools, drivers, Industrial, MOSFETS Tagged With: gansystems

Hybrid aluminum-polymer capacitors optimized for automotive, Industrial Apps

November 24, 2020 By Redding Traiger Leave a Comment

KEMET announces the launch of three hybrid aluminum polymer capacitor series: A780, PHA225, and PHH225. These AEC-Q200 qualified capacitors offer a combination of highly conductive polymer technology and liquid electrolytic material in a hybrid design, resulting in an outstanding electrical performance for automotive and industrial applications. This launch aligns with the growing vehicle electrification product […]

Filed Under: Automotive, Capacitors, Converters, DC-DC, Development Tools, Industrial, Power Components Tagged With: kemet

Modular capacitor concept simplifies dc link applications

November 4, 2020 By Lee Teschler Leave a Comment

TDK038 ModCap

ModCap is a modular capacitor concept for dc link applications. The newly developed power capacitors are available for rated voltages of 1,100 to 2,300 V and cover a 365 to 2,525 µF capacitance range. The rated currents between 105 and 180 A are type-conditioned with all types designed for 5-kA recurrent pulse currents. The maximum permitted hot spot temperature is […]

Filed Under: Capacitors, Power Components Tagged With: tdkcorporation

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