JD5 smd compnent

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Electronika.design

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What is a JD5 smd component???
It is connected at the input power supply of my circuit.
it is a 4 pic IC like component...
the inputs are connected through the diodes as shown
I am not able to analyse what it does....it is giving its output to an AC driven optocoupler...it may be a rectifier or maybe not...
 
The code on SMD packages varies from manufacturer to manufacturer. "JD5" from one company may be a completely different part from "JD5" from another manufacturer.

Without seeing more of the circuit it's difficult to tell.
 
You are not showing enough of the schematic so we can see what the the circuit is doing. We have no idea what the input signal (Or power supply.) is and we have no idea what the circuit is driving. What does the whole circuit board do ? and what sort of product is it from ?

Les.
 
Sir this is a circuit of a piezo buzzer...
this JD5 is at the input of the device...
it is also giving output to the Optocouplers....
im doing my project on DESIGNSPARK PCB software...hence my saved file extension is .sch
which is why im not able to upload
 

You can still show us the entire schematic without uploading the .sch. Just export it as a .png and upload that. It's not that hard.
 
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