matching simulation with bias conditions

[yefj]

Hello,for Bjt to be in working state. we need to V_B>V_E and V_C>V_B
How do i know the saturation current of 1.3A from mathematical point of view using the data sheet.
I know that the formula is as shown bellow.
the datasheet is as shown bellow:

2N2222 pdf, 2N2222 Description, 2N2222 Datasheet, 2N2222 view ::: ALLDATASHEET :::

2N2222 Datasheet, 2N2222 datasheets, 2N2222 pdf, 2N2222 integrated circuits : FAIRCHILD - NPN Small Signal General Purpose Amplifiers ,alldatasheet, Datasheet, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes, triacs and other semiconductors.

pdf1.alldatasheet.com

the spice model is as shown bellow,Where can i see the formula parameters at the spice model description?
Thanks.

 

[BigBoss]

\[\frac{A_{E}qD_{n}n_{i}^2}{N_{B}W_{B}}\] is called as \[ I_{s} \] (Saturation Current and you will never know this Manufacturer Parameters.That's why you should use given upper level circuit parameters

 

[FvM]

SPICE uses Gummel-Poon model. Refer to LTspice help for bipolar transistor model and literature, e.g. https://en.wikipedia.org/wiki/Gummel–Poon_model

You are operating the small signal transistor far beyond it's maximum ratings, unlikely that the simulation result matches real component behavior.