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general purpose transitor BSS138!

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test_out

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equival bss138

Hi all,

What is the role of the general purpose transitor like BSS138?

I saw it is used at the power supply on the PCB!

BRs

Test_out
 

bss138 design

Hi...Every transistor has only one function...Amplification, well switching is also a type of amplification...so its amplifying the current in ur PCB
 

equivalent bss138

well switching is also a type of amplification
Click to expand...
Yes, that can't be doubted.
Trying to answer a bit more specific, the N-MOSFET BSS138 is mostly used as a switch.
 

bss138 switch

FvM said:
well switching is also a type of amplification
Click to expand...
Yes, that can't be doubted.
Trying to answer a bit more specific, the N-MOSFET BSS138 is mostly used as a switch.
Click to expand...

U have a Gate right? U have a Source & a Drain....The gate is v low as compared to the drain current...That means it is amplifying....Yes! it switches due to amplification....
 

bss138 as switch

I don't wanted to critisize your statement, just give some additional information.
 

bss138 como switch

is their any equivalent of BSS138 it's not available in my area
 

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