Mr Evil said:
I still need a model for 2SK209, if anyone has one.
I don't, but I have the datasheet, if that helps.
I already obtained the datasheet from Toshiba's website. I don't know why they don't have any models for their devices there too.
Mr Evil said:I don't know why they don't have any models for their devices there too.
Don't know either, but those "exotic" transistors are often hard to find too. Not sure who sells them...
I bet you could write a Spice model yourself from the data in the datasheet. N-JFETs are a base model in Spice, so you kinda only have to put the right parameters, and there you go. I'm not too keen on that, but maybe someone can help you with that...
Thanks.
I still need a model for 2SK209, if anyone has one.
Me too. Anyone found/made one in the last 10 years? This thread is the first google result.
.model 2SK209BL njf vto = -0.7869
+ beta = 0.021 lambda = 6.15e-3 rd = 12.194
+ rs = 16.746 is = 2.613e-15 cgd = 1.458e-11
+ cgs = 1.478e-11 pb = 0.3754
+ fc = 0.5 N = 1
Patrick
+ beta = 0.021 lambda = 6.15e-3 rd = 12.194
+ rs = 16.746 is = 2.613e-15 cgd = 1.458e-11
+ cgs = 1.478e-11 pb = 0.3754
+ fc = 0.5 N = 1
Patrick
If you happen to work for an engineering company and have a legitimate reason to request one.
And of course they will only provide models of active products.
Patrick
And of course they will only provide models of active products.
Patrick
Patrick (or netlist), would you be willing to post the 2SK209 and 2SJ106 models here? I'm interested in the "GR" versions, if you have those.
2SJ106 is just an SMD version of 2SJ103.
Patrick
Thank you Patrick. Are these reasonable, or do you have better values?
.model 2SK209BL njf vto = -0.7869
+ beta = 0.021 lambda = 6.15e-3 rd = 12.194
+ rs = 16.746 is = 2.613e-15 cgd = 1.458e-11
+ cgs = 1.478e-11 pb = 0.3754
+ fc = 0.5 N = 1
.MODEL 2SJ103BL PJF (BETA=898.438U IS=10F RD=200 CGD=11.9398P CGS=14.4P)
2SJ106 is just an SMD version of 2SJ103.
Patrick
In terms of closest Idss match, which n channel is closest in the same sot package? It's not obvious
Thanks Patrick. Any recommended low noise input n- and p- pairs in surface mount? I guess I can adjust the Idss via degeneration resistor with one.
I made a model with the first curve in that data, using the BL model as a base.
.model 2SK209GR NJF ; keantoken 2020
; Data from luvdunhill at DIYAudio.com
; Id is low below <-450mVgs due to model.
+ Beta=21.85m Vto=-0.5359 Rd=12.194
+ Rs=13 Is=2.613f Cgd=14.58p Cgs=14.78p
+ Pb=0.3754 Fc=0.5 N=1 Kf=0.014f
+ Lambda=6.15m Mfg=Toshiba
.model 2SK209GR NJF ; keantoken 2020
; Data from luvdunhill at DIYAudio.com
; Id is low below <-450mVgs due to model.
+ Beta=21.85m Vto=-0.5359 Rd=12.194
+ Rs=13 Is=2.613f Cgd=14.58p Cgs=14.78p
+ Pb=0.3754 Fc=0.5 N=1 Kf=0.014f
+ Lambda=6.15m Mfg=Toshiba
- Home
- Design & Build
- Software Tools
- 2SK209/2SJ106 SPICE models?