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    etic's Avatar
    etic Posts: 1, Reputation: 1
    New Member

    Nov 17, 2018, 09:23 AM
    Can I use a Rectifier type of a Diode on a doorbell ringer?
    I need they are selling is this OK to buy for my doorbell ?to buy a 1 Amp Diode for my doorbell ringer an the one I see to buy says it a Rectifier type of Diode
    donf's Avatar
    donf Posts: 5,677, Reputation: 582
    Printers & Electronics Expert

    Nov 17, 2018, 09:43 AM
    Wow, this just does not make any sense at all.

    A rectifier is an electronic device that allows current to flow in one direction only. It takes 4 rectifiers to build a Rectifier Bridge and converts a full sine wave of AC to a pulsing DC circuit. And then it take a set of capacitors to then flatten the AC bounce out and effectively make usable DC Voltage.

    A door bell is about the simplist electrical circuit in the world. It takes a door button (switch), the bell unit and usually a 120v AC to 24v AC for the entire process.

    The voltage from a 120 volt branch circuit feeds the transformer. The transformer steps the voltage down to 24 volts and feeds the switch. The switch when closed feeds the bell unit.

    Putting a rectifier in would make no sense. A rectifier cannot change the voltage level of the incoming signal to anything but a pulse. It certainly cannot drop the signal from 120 volts to 24 volts. A single rectifier all by its self would only get you 1/4 of the incoming signal of which only the peak part of the signal would be usable.

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