Ad Widget

Collapse

Announcement

Collapse
No announcement yet.

j111 equivalent analog

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • j111 equivalent analog

    Than it are possible to replace the j-fet J111 transistor?
    Help, who knew?

  • #2
    Originally posted by oleg solo View Post
    Than it are possible to replace the j-fet J111 transistor?
    Help, who knew?
    J111 can be replaced with J108 if gate-source voltage does not exceed 25V.

    Comment


    • #3
      What is the application? There may be many more suitable replacements if the application is generic enough.

      Comment


      • #4
        J-111 I have plenty if you need one.
        The trouble with FETs is that they are harder to substitute. It's better to get just the right one.

        Comment


        • #5
          Hi Oleg.
          What will you use it for?
          Amplification / switching / compressor?
          It's a very common and generic FET, as plain vanilla as they come.
          I *guess* that being in Russia, you have access to European types, such as BF245 and similar ones.
          In that case, suggesting a "J-something" or a "2N-something" *may* be not be available locally, so we need to know what you will use it for.
          A schematic (or least the part where it works) will help a lot.
          Juan Manuel Fahey

          Comment


          • #6
            Hi J M Fahey!
            Transistors was appl in the scheme of a muting, on characteristics anything close are not present, the main thing - resistance of transition (it are no more 30 Ohm).
            Part of the scheme I attaches, on the scheme VT1 & VT2 transistors.
            Click image for larger version

Name:	master.JPG
Views:	1
Size:	296.1 KB
ID:	827276

            Comment


            • #7
              Oleg,

              J111 can be easily purchased in Poland, for example here: J111 - TME
              Maybe you could try contacting them?

              Mark

              Comment


              • #8
                Hi Oleg.
                Markus Bass has given you a way of getting the real thing, closer to home.
                If you are in a hurry and don't want to wait for delivery, that muting circuit is the easiest function to accomplish.
                Buy a few cheap N Channel Fets, (ironically, the cheaper the better) and measure Drain to Source resistance, select the lower ones.
                Keep the others for future use
                **Just double check pinout, they may not be the same**
                Juan Manuel Fahey

                Comment

                Working...
                X