2N3906 BJT PNP – Transistor 40v 200mA (0.2A)
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A BJT 2N3906 PNP can be quite a useful component when designing circuits. First we will start off with a some background information. BJT stands for bipolar junction transistor. If you are not sure what a transistor is then we can somewhat think of it as a relay or switch that is controlled by a very small amount of current, although there are many many other uses for them as well. Amplification and rectification are a couple more common uses as well. What sets this apart from your typical relays is that it you can use an extremely small amount of current to control it, it will control a relatively large amount of current to the control, it is very quick, does not mechanically switch like your traditional relay that you can hear clicking when it turns on and off. They are usually a bit smaller as well and most times in circuits a simple transistor will get the job done in these types of applications. You simply can't go wrong with the 2N3906 BJT PNP.
To touch on the very basics of transistors we will give a very quick explanation. There are two common types of BJT transistors. There are PNP and NPN. While not entirely correct, you can think of the PNP as positive-negative-positive. This means you would use a small amount of current through the ground to control the positive aspect or continuity. The NPN is the exact opposite. While this is a very rudimentary explanation at best, it hopefully will guide you in the right direction of what and how to use a transistor. There is a plethora of information out there on transistors..
|Packing Type||Ammo Packed|
|Operating Temp. (Temperature)||-55C to 150C|
|Mount Style||Through Hole|
|Add. Tech. Specs. 1||VCEO: 40V|
|Add. Tech. Specs. 2||VCBO: 40V|
|Add. Tech. Specs. 3||VEBO: 5V|
|Add. Tech. Specs. 4||C-E Saturation Voltage: .4V|
|Add. Tech. Specs. 5||Max DC Collector Current: 200mA (0.2A) PNP|