[chbot] Opto isolated triacs - Digikey account anyone?

[Robin Gilks]

> Heya Robin,
>  Please excuse my probable deep ignorance, but why do you not use a very
> standard MOC3041?? Available at.. well everywhere! (Sicom have them
> locally)
>
> Am using a mix of MOC3041 and MOC3063 in my solar hotwater controller for
> pumps and heaters... they are very reliable, unlike other parts 8)
>
> Jasper
>
> On 28 December 2014 at 11:22, Robin Gilks <robin at gilks.org> wrote:
>
>> Greetings all
>>
>> I'm going to have to change the way I drive the triacs on my irrigation
>> controller as I think the asymmetric switching I'm currently using is
>> causing a DC component to get to the solenoids and blowing them up (8-9
>> of
>> them so far this year at over $40 a pop!)
>>
>> The simplest mod I can come up with is to put zero switching opto triacs
>> between the existing drivers and triacs - that only requires a 4 pin DIL
>> and 1 or 2 resistors (times 32 for the number of channels on the
>> controller)
>>
>> The Toshiba part TLP361J(F) available from Digikey looks like it will do
>> the job but I'm pretty sure you need an account to get stuff from them.
>> Can anyone assist in this area?

It never occurred to me to look for such devices locally ;)

I'm now checking the specs for the 3041 (and the 3011 which is cheaper & I
don't need the zero crossing!)

-- 
Robin Gilks
Internet: robin at gilks.org    http://www.gilks.org
Tel:      (+64) (3) 347 4370