- #1
What is the Symbol for the Yellow Electronic Component?
- Thread starter weitao
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Discussion Overview
The discussion revolves around identifying a yellow electronic component observed on a circuit board. Participants explore its potential functions and characteristics, considering whether it is an inductor, transformer, or part of a radio circuit. The scope includes conceptual identification and technical reasoning related to electronic components.
Discussion Character
- Exploratory
- Technical explanation
- Debate/contested
Main Points Raised
- Some participants suggest the yellow component could be an inductor or a coil antenna, noting its encapsulation in glue or silicone for protection.
- Others propose that if it is an inductor, it should pass a continuity test, indicating its functionality.
- One participant describes it as a low-value inductor, questioning the presence of markings that indicate its inductance and suggesting it could also be a transformer based on the number of connections.
- Another participant speculates that the component might be part of a radio circuit due to the presence of discrete components and small capacitors.
- Some participants express uncertainty, indicating that there are more questions than answers regarding the component's identity and function.
Areas of Agreement / Disagreement
Participants do not reach a consensus on the exact identity of the yellow component, with multiple competing views on whether it is an inductor, transformer, or part of a radio circuit.
Contextual Notes
Participants mention various characteristics and potential functions of the component but do not provide definitive identification. There are unresolved questions regarding the component's markings and the overall circuit context.
Who May Find This Useful
Individuals interested in electronics, circuit design, or component identification may find this discussion relevant.
- #2
MATLABdude
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If you're talking about the one at the end of the board, it looks like either an inductor (see the response in one of the other threads by this same name) or coil antenna. They're encased in hot glue or silicone to make them a little more robust and give a little bit of environmental protection (depending on what you want to use them for).
- #3
mabs239
- 85
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If its an inductor then it should pass the continuty test.
- #4
sophiecentaur
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Looks like an inductor but a low value one. You can see the wire coil(?). Is there a screw adjuster in the centre of the cylinder? Is there a "H" printed on it to show its inductance or is there an "L" printed on the board, like the Rs and Cs? It looks like a small inductance which is odd, considering the surrounding components and their layout, which suggests lowish frequency of operation. It could be a transformer - how many connections are there? IS there a "T" on the board?
MATLAB's suggestion is also possible.
Does the board work? What does it do?
There are more questions than answers, I'm afraid but I hope they help.
- #5
- #6
vk6kro
Science Advisor
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It looks like an inductor with a lump of glue on it.
This is done to make it immune to vibration.
- #7
mabs239
- 85
- 1
What circuit it is? It might help understand the device.
I guess it to be some radio circuit because of large number of discrete components and small capacitors. The said component might be a transformer or an inductor and a capacitor togather.
- #8
weitao
- 32
- 0
This is remote control circuit
- #9
weitao
- 32
- 0
wat is the symbol?
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