Identifying this unknown component

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Discussion Overview

The discussion revolves around identifying an unknown component labeled "FL" found in an old VCR circuit. Participants explore its possible function and characteristics, speculating on its nature as a signal filter or hybrid integrated circuit, while reflecting on the evolution of technology in electronic devices.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification

Main Points Raised

  • One participant speculates that the component is a signal filter package, noting its circular bulges that resemble an inductor coil.
  • Another participant suggests it is likely a hybrid integrated circuit, referencing a Wikipedia article for further information.
  • A third participant agrees with the hybrid IC identification, providing context about their common use in older electronics and the challenges of component density in crowded circuit boards.
  • Participants reflect on the technological advancements from the 1980s to the 2000s, noting the differences in circuit board design and component density.

Areas of Agreement / Disagreement

Participants generally agree on the possibility of the component being a hybrid integrated circuit, but there is no consensus on its exact function or characteristics. The discussion remains exploratory with multiple viewpoints presented.

Contextual Notes

Limitations include the lack of definitive identification of the component and reliance on personal speculation and historical context regarding technology development.

Mniazi
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I opened my old VCR and on one of the circuits was a component which I couldn't recognize. I am usually quite good at identifying circuit components, by the abbreviations or their symbol. But this one just left me dumb founded. Its letter on the board was FL, I checked on various datasheets about it but couldn't get to know what it is. My speculation is that it is a signal filter package. Like usually electronic filter circuits are composed of inductors and capacitors. This piece even has circular bulges in it which look like there is a inductor coil or something in it. Anyways I am still not sure and breaking it up to check won't be an option as I like collecting electric components of circuits, and I only have two of these :P. here is the picture of it:
xf3von.jpg

vqhd9i.jpg
 
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Yup, agree with AZ

Hybrid IC's Quite common in older gear, not so often seen these days

usually they used a ceramic substrate with circuit tracks, on which were mount resistors, Capacitors, transistors etc

it was a way to overcome component mounting problems when component density was an issue
Think of why they build skyscrapers... if you don't have the real estate to build outwards, you go up

cheers
Dave
 
Thanks guys! quite a find I guess.
davenn yes, the circuit was quite crowded, there were boards on top of boards. That VCR was from the 1980s, I had another VCR from 2000 which had a smaller, less crowded circuit board. Awesome to see how much development happened in such less years.
 
I recall thinking hybrid stuff was old school back in the early 90s. Funny how age does that to you. Technology now that is as old as hybrid stuff was in the early 90s does not seem that old to me.
 

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