Relay OFF Time delay timer by using NPN Transistor and Capacitor

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  • čas přidán 10. 05. 2020
  • This video how to make Relay OFF time delay timer by using NPN transistor and Capacitor, first of (B)base touch to positive voltage so the capacitor also gets charged fully, remove to wire through the power to the base gets disconnected, the transistor continues to conduct with the aid of the stored energy in the capacitor which now starts discharging its stored charge via the transistor.The Relay also stays switched ON until the capacitor gets fully discharged. The value of the capacitor determines the time delay or for how long the transistor stays in the conducting mode.
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Komentáře • 33

  • @lawalhammaalitv
    @lawalhammaalitv Před 3 měsíci

    Good

  • @panthLeoJTm
    @panthLeoJTm Před 3 lety +1

    Hi Sir, If the capacitor value determine the time, so if I use 25V 100uf how many second or minute this will be switched on?

  • @mohammedaslamsahab2661
    @mohammedaslamsahab2661 Před 7 měsíci

    sir isko 12 pe chala sakte na

  • @Sandeepkumar-os3wq
    @Sandeepkumar-os3wq Před 2 lety +1

    सर आप ने लाल और काली वायर कहा लगाई है दिख नहीं रही

  • @workinginvestor1496
    @workinginvestor1496 Před rokem

    how to make it at least 30 minutes, any reco for the value of the components?

  • @kuykuy74
    @kuykuy74 Před 9 měsíci

    how to make after x second lamp condition from OFF become ON ?

  • @shyamkarki8115
    @shyamkarki8115 Před 2 lety

    सर एक ऐसा सर्किट बनाय जिसमे मन चाहे टाइम पर अन अफ होता रहे।

  • @khan691
    @khan691 Před rokem

    3 second tak baton ko press rakhne ke baad circuit on ho eysa koi circuit hy yani long press on switch system?

  • @khan691
    @khan691 Před rokem

    1 minute sy 5 minute tak ka time agar barhana ho to ?

  • @geniuspearlpublicschool6425

    Agr isme ir sensor add karna hai to kaise kare

  • @telelenker8065
    @telelenker8065 Před 3 lety

    5v hy mere pas or mujhy 1 second ka delay chaheya hy koi mashwara day plz

  • @mr.nagisaab8562
    @mr.nagisaab8562 Před 3 lety

    Sir isko car ki dome light ko deley krne ke liye lga sakte hain???

    • @ELECTRICALELECTRONIC
      @ELECTRICALELECTRONIC  Před 3 lety

      G bilkul

    • @mr.nagisaab8562
      @mr.nagisaab8562 Před 3 lety

      @@ELECTRICALELECTRONIC kya aap ispe ek complete video bna skte hain??

    • @ELECTRICALELECTRONIC
      @ELECTRICALELECTRONIC  Před 3 lety

      Sir video ban sakti hi par abhi m thora masroof hon Ap kam Karen Jo relay mane use ki hi Ap us relay sy dome light KO on karwa lein simply hi relay k con point ko switch ki tarhan use karlein

  • @mohammadsiraj9400
    @mohammadsiraj9400 Před 3 lety

    Sir esko only 2 seconds delay Karna ho tho kiya karaey

  • @waymekar994
    @waymekar994 Před 10 měsíci

    Kiya me is ki jagah bd140 ya 139 use kar sakta hu

  • @Sandeepkumar-os3wq
    @Sandeepkumar-os3wq Před 2 lety

    सर रिले कितने वोल्ट की है

  • @junaid4343
    @junaid4343 Před 3 lety

    Bhi 1 hour ka timer kyse banega

  • @eeadfdfsasfgu6727
    @eeadfdfsasfgu6727 Před 2 lety

    السلام عليكم

  • @TinyAbode
    @TinyAbode Před 3 lety

    5 volt ke saath kaise kam karega?

  • @junaid4343
    @junaid4343 Před 3 lety

    Basharat bhi aapka no chahyiehhhwhtsapp k..plz im junaid

    • @junaid4343
      @junaid4343 Před 3 lety

      Basharaat bhi apka whatsapp no plzzz