[sdiy] transistor/diode tester

[Fernando de Izuzquiza]

Thanks a lot Steve!


El 11/12/2006, a las 14:18, Steve Ridley escribió:

>
>> RS is selling this little tester. It's not cheap (81 euro) but, could
>> it be good for someone with no skills like me?
>> (so I don't have to make transistor matching circuits, avoiding
>> errors and mistakes)
>
> It's a useful device, but not for matching transistors.
>
> For identifying a part and checking that it works roughly
> as intended, it's quick and useful.  It will identify most
> transistor types, LEDs, diodes etc, tell you the pinout
> (worth the money for that alone IMHO), Hfe, leakage if
> worse than 10uA, and junction voltage to the nearest 10mV.
>
> But that's not enough resolution for matching accurately
> matching transistors, and you can't set the test current.
>
> BTW, the passive component version is well worth a look.
> Accurately measures very small caps.
>
> Steve
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