We have to make a voltage divider with two resistors. This transistor is used with voltage divider technique. Using this transistor is different from the normal BJT, UJT and FETs. The applications in which this transistor can be used are timings circuits, pulse circuits, oscillator circuits, thyristor-trigger circuits etc.Īs mentioned 2N6027 transistor can be used in applications such as timings circuits, pulse circuits, oscillator circuits, thyristor-trigger circuit but it is not limited to these uses and can be used for other applications too. The PUT also has four layers like an SCR but it cannot drive high current load like an SCR because it is built to trigger low current loads so with the loads limit of PUT transistor you can drive loads of upto 50mA. When you look at the internal diagram of the transistor you will see it mostly looks like an SCR and also works like an SCR by blocking the current until the triggered ON, once it is triggered it will come in the latch state in condition of high current and remains in the latch state as long as the current gets under the latching limit current. In other words we can explain it that it is a unijunction transistor which provides more control as compare to the normal unijunction transistor because it can be controlled or programmed with two external resistors. It is similar to a unijunction transistor but the difference is that it can be programmed with two external resistors which can be connected to its gate to control its output. But don’t confuse with the word programmable, because that doesn’t mean it has any kind of microcontroller that you can program. Max Storage, Operating & Junction temperature range: -55 to +150 CentigradeĢN6027 Transistor Explained / Description:ĢN6027 is a programmable unijunction transistor or PUT available in TO-92 transistor package. Anode to Cathode Voltage(1) (VAK): ±40V.Gate to Cathode Reverse Voltage (VGKR): -5.0.Gate to Anode Reverse Voltage (VGAR): 40V.Gate to Cathode Forward Voltage (VGKF): 40V.Max Power Dissipation (PF): 300 Miliwatt.Max DC Forward Anode Current (IT): 150mA.Transistor Type: PUT (Programmable Unijunction Transistor).
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