Electronics > Beginners
What are these?
deandadnaed:
Hi! I’m trying to find the tracks within a PCB. But I’ve got no idea what are these components.
Does anybody know what are they?
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OwO:
Potentiometer.
Brumby:
Trim pots to be more precise.
They are adjusted by a small flat blade screwdriver via the slot in the middle.
From the numbers on them, the resistance of each are:
103 = 10K ohm
202 = 2K ohm
503 = 50K ohm
Edit:
They are placed in circuits that need to be adjusted when they are first built and tested. Once adjusted, they should not need any further tweaking in normal service. Translation: Don't fiddle with them unless you know what you are doing and why.
Jwillis:
Like Brumby says. But in addition The first 2 numbers times the multiplier. 0 = 1 , 1=10 ,2=100,3=1000,4=10000 ,5 =100000. So the top left is 10 times 1000 or 10000 ohms or 10K Ohms.The top right is 20 X 100 or 2KOhms and so on
deandadnaed:
Thank you very much!
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