Triac BT136

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  • Maximum Terminal current: 4A
  • On-state Gate voltage: 1.4V
  • Gate trigger current: 10mA
  • Max Terminal Voltage is 600 V
  • Holding current: 2.2mA
  • Latching current: 4mA
  • Available in To-220 Package


  • Commonly used in: light dimmers, washing machines, motor control, hand tools. Gate trigger current:6-15mA (VAK=12V,RL=100ohm).
  • The BT136 is TRIAC with 4A maximum terminal current. The gate threshold voltage of the BT136 is also very less so can be driven by digital circuits.
  • Since TRIACs are bi-directional switching devices they are commonly used for switching AC applications. So if you looking to switch of control (dim, speed control) an AC load which consumes less than 6A with a digital device like microcontroller or microprocessor then BT136 might be the right for you.
  • Applications

    • AC Light dimmers
    • Strode lights
    • AC motor speed control
    • Noise coupling circuits
    • Controlling AC loads using MCU/MPU
    • Ac/DC Power control