Optical, triac - Electronic Circuits Projects Diagrams Free

joshua17ss2 · 31st March 2008, 08:38 PM

Im trying to see if the parts i have a suffient, i am building a control board and just wana turn lights on and off, i have 50 H11D2 optoisolators, data sheets easy to find on ebay. they say there rated for 300, i want to use them to drive triacs rated at 200volts 1 amp. i wana make sure that i and my microcontroller will be safe. and help will be greatly appriciated.

josh

audioguru · 31st March 2008, 08:48 PM

It is an opto-transistor for driving DC, not AC.
Most triacs are turned on with AC from an MOC-30xx opto-triac driver.

joshua17ss2 · 31st March 2008, 09:20 PM

So i can use this optoisolator to run high voltage DC loads like motors. and solinoid valves ?

The triacs i bought were labled sensative gate triacs, does that mean anything? L2001L3 Sensitive Gate Triac 200 Volt 1 Amp.
would the MOC-3022 do the triac switching?

thanks
josh

audioguru · 1st April 2008, 12:30 AM

The datasheet for the MOC3022 shows that its max voltage is 400V and its LED needs a max current of 10mA for the triac part to latch when its main terminal has 3V or more.
the datasheet has a circuit of it connected to a larger triac.

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31st March 2008, 08:38 PM	(permalink)
joshua17ss2	Optical, triac Im trying to see if the parts i have a suffient, i am building a control board and just wana turn lights on and off, i have 50 H11D2 optoisolators, data sheets easy to find on ebay. they say there rated for 300, i want to use them to drive triacs rated at 200volts 1 amp. i wana make sure that i and my microcontroller will be safe. and help will be greatly appriciated. josh

31st March 2008, 08:48 PM	(permalink)
audioguru	It is an opto-transistor for driving DC, not AC. Most triacs are turned on with AC from an MOC-30xx opto-triac driver. __________________ Uncle $crooge

31st March 2008, 09:20 PM	(permalink)
joshua17ss2	So i can use this optoisolator to run high voltage DC loads like motors. and solinoid valves ? The triacs i bought were labled sensative gate triacs, does that mean anything? L2001L3 Sensitive Gate Triac 200 Volt 1 Amp. would the MOC-3022 do the triac switching? thanks josh

1st April 2008, 12:30 AM	(permalink)
audioguru	The datasheet for the MOC3022 shows that its max voltage is 400V and its LED needs a max current of 10mA for the triac part to latch when its main terminal has 3V or more. the datasheet has a circuit of it connected to a larger triac. __________________ Uncle $crooge