Mounting Guidelines: Common Soldering Process Issues

  • Posted by doEEEt Media Group
  • On March 27, 2020
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Fast oxidisation is a common issue related to high temperatures and the presence of oxygen during the convection reflow or wave soldering processes. The oxidisation may induce some degradation of metal surface and its environmental robustness, thus impacting the components and the electronic hardware lifetime.

MLCC, resistor lead time and prices set to rise in 2020

  • Posted by Drones Media Team
  • On March 25, 2020
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The supply of MLCC and resistor chips is getting increasingly tight according to DigiTimes sources in Taiwan. Prices for MLCCs and chip resistors are expected to rise through the fourth quarter of 2020

2020 May be a Messy Year for MLCCs Supply

  • Posted by doEEEt Media Group
  • On March 24, 2020
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Capacitor manufacturers have been adding capacity since 2017 and, while lead times for many parts could stretch, allocations for most parts, are not likely. However, it is unclear what the MLCC scenario will be and if buying conditions will turn from being a buyer’s market to a seller’s market. One thing is for sure. The MLCC market will be different in 2020 than it was in 2019.

DC and AC Bias Dependence of MLCC Capacitors

  • Posted by doEEEt Media Group
  • On March 24, 2020
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Measured data collected during the study showed that the bias dependence for the same nominal part from different vendors can be very different. Moreover it was shown that bias sensitivity of X7R parts is not necessarily better than that of X5R parts, sometimes not even from the same vendor.

Choosing Capacitors for Crossover Audio Circuits

  • Posted by doEEEt Media Group
  • On March 23, 2020
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A crossover network is used to separate an audio signal into different frequency-dependent components. The separated components are then sent to specific driver circuits and speakers. The placement of this circuit can vary depending on the design of an audio system.

ADL New Plug & Play Solution for Supercapacitor Balancing

  • Posted by doEEEt Media Group
  • On March 23, 2020
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Supercapacitors are unique because they can work in conjunction with or as an alternative to batteries in applications needing many rapid charge/discharge cycles and are popular in applications such as short-term energy storage, regenerative braking, and static RAM memory backup.

Clarifying MIL-STD-461 and EMI Filter Misconceptions

  • Posted by doEEEt Media Group
  • On March 19, 2020
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The US MIL-STD-461 specification manages electromagnetic interference emissions by setting limits on the levels that can be emitted from electrical equipment. This specification also sets regulation to control equipment susceptibility to external noise sources and establishes guidelines for properly measuring the relevant equipment features.
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