| Electronics > Repair |
| Need help identifying component |
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| vinovino:
Need help identifying the component and a possible replacement parts. The designator says FL14, I think its a kind of filter but I don’t know what kind. It has 3 pads underneath, the middle pad is connected to ground. It is around 2mm size. Please see attached images of pad and the filter itself beside a ruler. |
| amyk:
What is this out of? FL20 also looks cracked. |
| u666sa:
FL15 looks normal. You can take it off, rig it up and measure it with NanoVNA. It's a coil, two coils with ground in the middle. Unless FL15 pin to ground does not measure as coil, then it is a capacitor, but the marking say L, so I suspect a coil. All these 3 components should have same exact values. Measure FL15, and use two small coils (or caps if it is a cap) in place of one. |
| coromonadalix:
woul be as mentioned FIlter line smd inductive most of the time, but some do include capacitors ... |
| fzabkar:
Could FL15 and FL20 (and FL14) be T filters? https://www.daenotes.com/sites/default/files/article-images/T-filter.webp https://www.mouser.com/ds/2/281/c51e-794816.pdf (page 128) Did someone replace FL20 (and FL15) with the wrong part and end up shorting it to ground? Is the centre pin grounded (yes it is, I just reread the OP)?? |
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