"Can they be paralled to handle more current ?"
No, use inverse parallel SCRs of the needed current and run a MOC triac driver between the gates.
Motorola (ON Semiconductor) has an app note on this subject.
http://www.fairchildsemi.com/ds/MO/MOC3041-M.pdf
Same thing, Fig 14, 15
No, use inverse parallel SCRs of the needed current and run a MOC triac driver between the gates.
Motorola (ON Semiconductor) has an app note on this subject.
http://www.fairchildsemi.com/ds/MO/MOC3041-M.pdf
Same thing, Fig 14, 15
Triacs introduce noise in the power line not only from the
action of the switching at high frequencies, but also a DC
component due to asymmetric switching. Users of Triacs to
switch the power into the primary of their power transformers,
particularly toroids, would be best advised to drive the triac
control pins hard to avoid the DC issue.
action of the switching at high frequencies, but also a DC
component due to asymmetric switching. Users of Triacs to
switch the power into the primary of their power transformers,
particularly toroids, would be best advised to drive the triac
control pins hard to avoid the DC issue.
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