Any thoughts on this other then the price is good so try it and see?
- Thread starter pucho812
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mattamatta
Well-known member
I worry about properly engineered clearance/creepage, component limits, and insulation ratings for 1200VDC output on such a board 
That said, I wouldn't be above trying it 8)
That said, I wouldn't be above trying it 8)
pucho812
Well-known member
best part is you can remove the 0Ω resistor and get 50ma current at the output... I even found a less expensive board Identical in design but did not have the screw terminals.
What would you use it for?
pucho812
Well-known member
tube circuits....
I don't see any UL or CSA marking.
The small 8 pin chip looks like it's soldered in crooked (probably works but a marketing photo should look better than that).
You get what pay for, maybe trouble,
JR
The small 8 pin chip looks like it's soldered in crooked (probably works but a marketing photo should look better than that).
You get what pay for, maybe trouble,
JR
> I don't see any UL or CSA marking.
Input is presumably from a wall-wart, so UL/CSA is not interested.
> a marketing photo should look better than that
I think you can estimate how much Marketing goes into $7.90 free shipping.
They offer larger ones in side-links. I would not gimmick this to much over 300V 20mA. But that will power tubes.
Input is presumably from a wall-wart, so UL/CSA is not interested.
> a marketing photo should look better than that
I think you can estimate how much Marketing goes into $7.90 free shipping.
They offer larger ones in side-links. I would not gimmick this to much over 300V 20mA. But that will power tubes.
PRR said:
UL is technically interested in anything that can catch on fire. There are generally pretty casual about low voltages (I used thousands of wallwarts at Peavey for that very reason).
JR
pucho812
Well-known member
5.99 without the terminal blocks.... at that kind of price, it's work checking it out even if it fails at the first get go.
okgb
Well-known member
you may get lucky with chinese roulette ! almost all the low cost stuff I've tried falls short in some way
maybe they copied some decent design, but found a way to make it even cheaper,
could be a good sticky , cheap things worth it / not worth it
maybe they copied some decent design, but found a way to make it even cheaper,
could be a good sticky , cheap things worth it / not worth it
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