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TDK Metal Frame

TDK MEGACAP is a metal frame type of MLCC in which metal caps are attached to the terminal electrodes and are available in a single and double-stacked configuration. These MLCCs absorb the stress of board flexure due to the unique metal frames, and they can be mounted on aluminum circuit boards. TDK MEGACAP MLCCs are suitable for automotive applications and applications subjected to severe temperature changes.

Features

  • Absorbs stress of board flexure by its unique metal frames and can be mounted on aluminum circuit boards
  • Provided with metal caps over the external electrodes that absorb stress caused by mechanical shocks
  • Realizes twice the capacitance of regular products without changing capacitor footprint
  • Lower ESR and ESL compared to those of aluminum electrolytic capacitors

Applications

  • Automotive applications (EPS, ABS, EV, HEV, LED lamps, etc.)
  • Smoothing circuits, DC-DC converters, LED, HID
  • Application in environments with severe temperature changes, singing capacitor countermeasures
  • Smoothing, decoupling, X capacitors, Y capacitors, or snubber circuits of xEV (DC-DC converters, inverters, chargers), EPS, ABS, LED/HD lamps, etc.
  • Areas of aluminum electrolytic capacitors where high-frequency noise cannot be reduced due to large parasitic inductance or where there is a risk of thermal runaway due to large ESR
  • Areas where electrolytic capacitors or film capacitors cannot be placed because there is a high-temperature device

No element cracks occur with board flexure up to 10mm

The image is a comparison of the flex strengths of a regular terminal product and MEGACAP. 
Element cracks occurred in the regular product after it was flexed up to several millimeters. No cracking occurred with MEGACAP after it was flexed 10 millimeters or more.

MEGACAP Flex Strength

TDK Metal Frame

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Published: 2019-08-05 | Updated: 2024-02-21