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Chaveando 40A
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eletrônica
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DQ
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Jun 24, 2016, 1:48:09 PM
6/24/16
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to Garoa Hacker Clube
Este assunto surgiu ontem na Noite do Arduino. Algumas sugestões:
Relê de estado sólido:
http://produto.mercadolivre.com.br/MLB-706903116-rele-de-estado-solido-40a-entrada-3-32vdc-saida-24-380vac-_JM
http://www.fotek.com.hk/solid/SSR-1.htm
Triac (que é o coração do relê acima):
http://www.futurlec.com/Diodes/BTA41-600pr.shtml
http://www.kerrywong.com/blog/wp-content/uploads/2010/09/triaccontroller.png
Tem também reles automotivos, mas exigem 12V na bobina.
Na hora eu mencionei MOSFET, mas é só para corrente contínua
DQ
Raimundo Nonato Pimenta Filho
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Jun 28, 2016, 4:13:12 PM
6/28/16
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to hacker...@googlegroups.com
E utilizar o power MOSFET com uma ponte retificadora?
http://www.chatzones.co.uk/discus/messages/12743/11208.gif
No lugar no NPN por o MOS.
Procurando por MOSFET AC, em imagens tem a figura com o MOS e os
diodos, mas o link para a imagem não rola.
[]s
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