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Anyone know diodes?

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  • Anyone know diodes?

    It looks like I require a forward flowing diode that can tolerate 14 amps. I want to install this diode in a 14ga wire. Can anyone tell me what diode I need and where to get it?

  • #2
    Radio Shack. I'd have to see what is available, but they should be able to find it.

    Side note, read the title too fast, initially thought you were a bit ghey.

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    • #3
      Internet search might be in order if radio shack doesn't have one. Mouser electronics might.
      Rich

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      • #4
        Or Allied.



        They have a warehouse not too far from I-30 and the east side of 820.

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        • #5
          I think this may work
          Vishay is here to help visitors locate part numbers, inventory, design resources, and contact information on our website.

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          • #6
            Originally posted by Diabolic View Post
            It looks like I require a forward flowing diode that can tolerate 14 amps. I want to install this diode in a 14ga wire. Can anyone tell me what diode I need and where to get it?
            What is the application?
            The hand that feeds, bleeds.

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            • #7
              I have 2 separate Bosch relays feeding a single 255 inline pump with a 14ga wire coming from each. IN the event 1 fails I do not want the voltage from the good relay traveling to the pump and back up the wire of the broken relay. I want the led light to turn off if the relay fails.

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              • #8
                way over engineered

                Originally posted by Diabolic View Post
                I have 2 separate Bosch relays feeding a single 255 inline pump with a 14ga wire coming from each. IN the event 1 fails I do not want the voltage from the good relay traveling to the pump and back up the wire of the broken relay. I want the led light to turn off if the relay fails.
                get the right relay, use #10 and forget using 2 relays. Better still, get a hi amp switch and forget relays.
                Don't worry about what you can't change.
                Do the best you can with what you have.
                Be honest, even if it hurts.

                "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy; Its inherent virtue is the equal sharing of misery" ... Winston Churchill

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                • #9
                  Fry's
                  68 Coupe- 351w, TFS heads, Comp XE284, 5 speed, Explorer 8.8, 4 Wheel Discs
                  63 Fairlane


                  Originally posted by forbes
                  i call 1911 first then 911

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                  • #10
                    Originally posted by Diabolic View Post
                    A single VSKC91/12 ought to work; Mouser has 2 in stock at ~$44 ea. Connect your pump to terminal 1, relay 1 and annunciator 1 to terminal 2, and relay 2 and annunciator 2 to terminal 03.

                    For power applications, don't guess about the wiring you want to use. 14AWG will be sufficient if the pump draws 14 A continuous.

                    Some considerations when selecting wire:
                    • The ultimate determinant in wire current capacity is heat dissipation.
                    • Look at the wire insulation material and check the current rating for that material. While wire gauge determines the upper bounds of current capacity, the insulation material is the limiting factor. If you don't know what it is, be conservative.
                    • Derate current capacity if you will have the wires bundled together because it affects heat dissipation. 70% is conservative unless you have more than a dozen or so wires.
                    • Be mindful of environmental considerations - exposure to excessive heat or fluids that will deteriorate the insulation.
                    Men have become the tools of their tools.
                    -Henry David Thoreau

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                    • #11
                      Originally posted by jyro View Post
                      get the right relay, use #10 and forget using 2 relays. Better still, get a hi amp switch and forget relays.
                      Yep, arent the large bosch relays rated at 30 amps?

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