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EEE Components, PASSIVES

Aluminum Electrolytic Capacitors for DC-Link in On-Board Charger Applications

  • Posted by doEEEt Media Group
  • On May 23, 2023
  • 0
With the increasing market for electrified vehicles (EVs), the demand for onboard chargers (OBCs) is growing fast. OBCs open up the possibility to charge the car at fast-charging DC stations and with AC sources in a reasonable time. Such systems are currently going up to 22 kW with operating voltages up to 800 V.
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ACTIVES, EEE Components, PASSIVES

How to choose a surface-mount inductor for a DC-DC converter

  • Posted by doEEEt Media Group
  • On August 21, 2022
  • 0
Linear voltage regulators have one major drawback: The voltage dropped across the pass transistor multiplied by the load current equals wasted power. The option is a switch-mode DC/DC converter.
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ACTIVES, EEE Components, PASSIVES

Capacitor Ripple Current, Transient and Power Load Rating Explained

  • Posted by doEEEt Media Group
  • On February 17, 2022
  • 0
Capacitors are naturally limited by its capability to handle/dissipate ripple current and pulse energy load. The limitation may be significantly different by each capacitor technology but also within a specific product type individual series.
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EEE Components, PASSIVES

Vishay Snap-in Power Aluminum Capacitors

  • Posted by doEEEt Media Group
  • On April 30, 2021
  • 0
New series of miniature snap-in power aluminium electrolytic capacitors that enables higher power density designs. The Vishay BCcomponents 257 PRM-SI series offers up to 20 % higher ripple current than previous-generation solutions in case sizes that are up to 20 % smaller while providing longer useful life to 5,000 hours at 85 °C.
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EEE Components, PASSIVES

New Snap-in Aluminum Capacitors with Outstanding Ripple Current Capability

  • Posted by doEEEt Media Group
  • On March 11, 2021
  • 0
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.
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EEE Components, PASSIVES

Passives Components Selection Guide for Space-Grade Switching Regulators

  • Posted by doEEEt Media Group
  • On February 3, 2021
  • 0
Switching DC-DCs regulate the output voltage based on energy flow into and from the DC-DC by controlling the duty cycle of the on and off states. When the switch is conducting, energy flows from the input source into the converter and in the case of a buck, some of this gets stored in the inductor as magnetic energy (0.5*LI2) while some gets delivered directly to the output (forward topology).
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EEE Components, ENDURANCE, ENVIRONMENTAL & RADIATION, PASSIVES, TESTING

Aluminium Electrolytic Capacitors Accelerated Lifetime Modeling

  • Posted by doEEEt Media Group
  • On December 27, 2020
  • 0
The aim of this work is to estimate the expected lifetime of a capacitor without basing reliability evaluation just on handbook based predictions.
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ACTIVES, EEE Components, INSPECTION, ELECTRICAL & VERIFICATION, TESTING

How to determine and measure MLCC ripple current and ESR

  • Posted by doEEEt Media Group
  • On December 16, 2020
  • 0
The video shows how Kemet’s KC-LINK capacitors are tested for ripple current rating and ESR. These surface mount capacitors are designed to meet the growing demand for fast-switching wide bandgap (WBG) semiconductors that operate at higher voltages, temperatures, and frequencies.
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EEE Components, PASSIVES

New flat aluminum electrolytic capacitors

  • Posted by doEEEt Media Group
  • On November 21, 2020
  • 0
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
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EEE Components, PASSIVES

How to read a capacitor data sheet

  • Posted by doEEEt Media Group
  • On November 7, 2020
  • 0
The performance characteristics of any electronic component are included in product data sheets, which help designers and engineers to identify the properest component meeting the requirements of an application
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