Having a problem with a triac
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Having a problem with a triac
I am having a problem with a triac BAT16, when I trigger it with an optocoulpler it turns on but the voltage is half of what it should be, Im trying to make a switch for 12 to 24 vac, I have tried a Q4006l triac but still have the same results
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Re: Having a problem with a triac
at least 10 vac, I do expect a small voltage drop, but not by half
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Re: Having a problem with a triac
Triggering on both half cycles? (positive and negative) Triggering on only one will cut by half. Every pass through zero turns TRIAC off.
Cheers,
Cheers,
Dale Y
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Re: Having a problem with a triac
any suggestions on how to get around this, should I try a sensitive gate triac?
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Re: Having a problem with a triac
Here is the schematic, I figured it out last night I changed the 150 ohm resistor to 100 ohms works good now, thanks
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Re: Having a problem with a triac
How would you trigger a triac with a transistor, or would it just stay on and not turn off
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Re: Having a problem with a triac
12VAC to 24VAC like you said before? Or, 230VAC as diagram shows?
I do not like "pulling teeth" to get info.
A page I found via Google says you can trigger by DC. While transistor is on TRIAC remains triggered. Turn transistor off, TRIAC is also off. (or reverse, depending if you put transistor as common collector or common emitter.)
Cheers,
I do not like "pulling teeth" to get info.
A page I found via Google says you can trigger by DC. While transistor is on TRIAC remains triggered. Turn transistor off, TRIAC is also off. (or reverse, depending if you put transistor as common collector or common emitter.)
Cheers,
Dale Y
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Re: Having a problem with a triac
Sorry just me being lazy I updated the schematic, I am trying to switch 24 vac, Thanks, I am going to try this when I get a chance
Re: Having a problem with a triac
That's similar to what I put in a circuit when repairing an antique SCR based vehicle battery charger.
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