SInce that NPN has an Ic=1A, it means that the default values for the Falstad transistor are quite generous. If you choose a model from LTspice's database (right-click on the transistor, Pick New Transistor) and choose 2SCR293P (for example), the values will come closer to what you see in the Falstad simulator. I can't tell you which values are for Falstad, but, clearly, they are different. When small current controls the large current at the emitter and collector, this process is used for amplification purpose. 1: Emitter 2: Base 3: Collector Base side of this transistor is lightly doped while emitter side is heavily doped. Get a handful of 2N4401 (NPN) and 2N4403 (PNP). In LTspice's case, you can see which values are by looking in the help at LTspice > Circuit Elements > Q. 2n4401 is an NPN transistor which mainly consists of three terminals. Could you post the schematics of the circuit youre dealing with Or at least, whats the load that is supposed to be switched be the PNP transistor m.Alin at 11:15 6 So get some PNP already. ( edit) The reason why you see different numbers is because the default values differ, as mentioned in the comments, too.
This transistor comes with three main configurations i. The voltage at the collector side is more than the voltage at the base side. That's because, the way you set it up, you're running a "sweep" from 0.75 V to 0.75 V, in steps of 0.75 V, which translates to one point, only, which means LTspice will consider that as another way of spelling. Circuit diagram of 2n4401 is shown in the figure below. dc op point with the command you have in the picture only brings up the error log just like in my screenshot. Also, I don't know what you did before, but running a.
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