Hi, I owned some DIAC (DB3) and TRIACs (Q4003L3), and set up a simple circuit.
I can't seem to find the Q4003L3 datasheet, but looked up "equivalent" and red that datasheet to get the pinout.
It's similar to this schematic on ebay:
with the exception of the LED and D1, I just have a wire instead.
Now, the thing is I only have 1K and 10K potentiometers, and I just ordered ten 500K potentiometers tonight on eBay. What I am having trouble with is finding the correct value of capacitor in order to have full range. I guess I shouldn't have ordered so many, since the 220V schematic calls for the 500K, and it's 120V here in the USA.
In the picture, the capacitor is labeled ".1/50" and I totally don't understand that. (It can't be 0.1uF @ 50V I don't think? because it needs to be at least 200V/400V) Please see the eBay item and tell me what you think.
I had 224K and 473K green capacitors in my spare parts bin. with 224K, the 10K pot doesn't change the wattage of the load, but with the 473K it limits the upper end (about 50W Max, 40W min if I remember right). Oh, I'm using a window fan btw. They don't mind having the sine wave chopped off, right? I did test it for about 10 minutes with a commercial 1000W resistive load dimmer, and the motors did not get hot at all.
So can someone tell me which value of capacitor I need? (To compliment my 500K potentiometers. Or should I have bought a different value?)
Also, what do they call those green-ish capacitors, so I know what to search for?
I can't seem to find the Q4003L3 datasheet, but looked up "equivalent" and red that datasheet to get the pinout.
It's similar to this schematic on ebay:
with the exception of the LED and D1, I just have a wire instead.
Now, the thing is I only have 1K and 10K potentiometers, and I just ordered ten 500K potentiometers tonight on eBay. What I am having trouble with is finding the correct value of capacitor in order to have full range. I guess I shouldn't have ordered so many, since the 220V schematic calls for the 500K, and it's 120V here in the USA.
In the picture, the capacitor is labeled ".1/50" and I totally don't understand that. (It can't be 0.1uF @ 50V I don't think? because it needs to be at least 200V/400V) Please see the eBay item and tell me what you think.
I had 224K and 473K green capacitors in my spare parts bin. with 224K, the 10K pot doesn't change the wattage of the load, but with the 473K it limits the upper end (about 50W Max, 40W min if I remember right). Oh, I'm using a window fan btw. They don't mind having the sine wave chopped off, right? I did test it for about 10 minutes with a commercial 1000W resistive load dimmer, and the motors did not get hot at all.
So can someone tell me which value of capacitor I need? (To compliment my 500K potentiometers. Or should I have bought a different value?)
Also, what do they call those green-ish capacitors, so I know what to search for?