MOS DC solid-state relay

MOS DC solid-state relay

  • CN 2,678,252 Y
  • Filed: 01/14/2004
  • Issued: 02/09/2005
  • Est. Priority Date: 01/14/2004
  • Status: Active Grant
First Claim
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1. , a kind of MOS dc solid-state relay comprises input terminal, control loop, switch loop, lead-out terminal, it is characterized in that:

  • Described control loop comprises with triode Q1 and is the oscillating circuit, magnetic isolating transformer T1 at center, is the rectification circuit at center with diode D2;

    Described switching circuit is the switch mosfet pipe;

    Described oscillating circuit is arranged between the former limit of input terminal and magnetic isolating transformer T1, be provided with rectification circuit between the secondary of transformer T1 and the MOSFET pipe Q2, the drain electrode of MOSFE pipe Q2 connects the lead-out terminal positive pole, and the source electrode of MOSFET pipe Q2 connects the lead-out terminal negative pole.

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