[sdiy] Tying down unused Transistor pins?

[jays at aracnet.com]

Never heard of Tx used that way either. To me that means transmit. 
There is xsistor that was used a long time ago.

Jay S.

On 2013-02-27 11:05, Mattias Rickardsson wrote:
> Tx?
> 
> Is that some abbreviation for transistor, or what?
> 
> /mr  -  works with transistors and will fight for a hefty pay raise if
> I suddenly learn something as fundamental as that ;-)
> 
> 
> On 27 February 2013 17:56, Justin Owen <juzowen at gmail.com> wrote:
>> 
>> Thanks Neil,
>> 
>>>> I'm using some transistor pairs in a design - but I have one 
>>>> spare/unused Tx left.>
>>>> Should I tie down any of the pins? Where/What to?
>> 
>>> If the transistors are fully isolated then tie all pins to GND.  Be
>> careful if any pins are connected to substrate like on LM3046.  
>> Safest
>> then would be the -ve rail.
>> 
>> Is there a potential for bad things to happen if I connected all pins 
>> of a fully isolated Tx to the -ve rail?
>> 
>> ...or to re-phrase that...
>> 
>> Would a data sheet specifically mention that Tx pair/array shared a 
>> common-substrate in all cases?
>> 
>> J
>> 
>> 
>> 
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