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Spice BJT Model Viewer

Paste in Spice BJT Model

This app parses a spice bjt transistor model and displays a nice listing readable by humans.

It shows each parameter, one parameter per line, unit measures, parameter modelled and the full standard description of each parameter.

If a parameter is missing, it shows the default value with a grey background.

It checks for duplicates, misspelled parameter names and a bit of syntax.

2 Examples

.model Q2N3904	NPN(Is=6.734f Xti=3 Eg=1.11 Vaf=74.03 Bf=416.4 Ne=1.259
+		Ise=6.734f Ikf=66.78m Xtb=1.5 Br=.7371 Nc=2 Isc=0 Ikr=0 Rc=1
+		Cjc=3.638p Mjc=.3085 Vjc=.75 Fc=.5 Cje=4.493p Mje=.2593 Vje=.75
+		Tr=239.5n Tf=301.2p Itf=.4 Vtf=4 Xtf=2 Rb=10)

.model Q2N3906	PNP(Is=1.41f Xti=3 Eg=1.11 Vaf=18.7 Bf=180.7 Ne=1.5 Ise=0
+		Ikf=80m Xtb=1.5 Br=4.977 Nc=2 Isc=0 Ikr=0 Rc=2.5 Cjc=9.728p
+		Mjc=.5776 Vjc=.75 Fc=.5 Cje=8.063p Mje=.3677 Vje=.75 Tr=33.42n
+		Tf=179.3p Itf=.4 Vtf=4 Xtf=6 Rb=10)
Cut and paste one of the examples above into the text edit box and then click the View button.


Gummel-Poon model
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Spice Models - Transistors
Central Semiconductor

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