I've got a chinese solder reflow sation, and the element in the hot air gun blew.
When the element blew, it took also blew the fuse and triac.
I've ordered replacements for the fuse and optocoupler, although I'd rather not have to desolder the optocoupler if it might not be blown.
So;
What do you think of the attached schematic? It seems pretty standard to me.
The triac blew due to a large current surge - do you think the optocoupler will need replacing?
The important parts:
Triac:
BTA08-600C (rated for 8A).
Dead short between A1 and A2, ~65 ohms between qate and the other pins.
Optocoupler:
MOC3023-M triac driving optocoupler
Schematic: attached.
Many thanks!
Andrew
Edit - I just realised this might be more appropriate in the repairs section. I originally posted it here as it was more a question on how this triac circuit works - if you want to move it, mods, feel free!
Edit 2 - that 210R resistor is actually a 270R resistor - the purple band is rather faded!
When the element blew, it took also blew the fuse and triac.
I've ordered replacements for the fuse and optocoupler, although I'd rather not have to desolder the optocoupler if it might not be blown.
So;
What do you think of the attached schematic? It seems pretty standard to me.
The triac blew due to a large current surge - do you think the optocoupler will need replacing?
The important parts:
Triac:
BTA08-600C (rated for 8A).
Dead short between A1 and A2, ~65 ohms between qate and the other pins.
Optocoupler:
MOC3023-M triac driving optocoupler
Schematic: attached.
Many thanks!
Andrew
Edit - I just realised this might be more appropriate in the repairs section. I originally posted it here as it was more a question on how this triac circuit works - if you want to move it, mods, feel free!
Edit 2 - that 210R resistor is actually a 270R resistor - the purple band is rather faded!
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