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more realistic default values for case to ambient thermal resistance and device transconductances

This commit is contained in:
dwarning 2026-01-03 09:04:40 +01:00
parent 00803f7c1f
commit 4cac271912
1 changed files with 2 additions and 2 deletions
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4
src/spicelib/devices/vdmos/vdmosset.c
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@ -32,7 +32,7 @@ VDMOSsetup(SMPmatrix *matrix, GENmodel *inModel, CKTcircuit *ckt,
model->VDMOStype = NMOS;
if (!model->VDMOStransconductanceGiven)
model->VDMOStransconductance = 25 + 10 * model->VDMOStype; /* IRF540, 9540 */
model->VDMOStransconductance = 15 + 5 * model->VDMOStype; /* IRF540, 9540 */
if (!model->VDMOSvth0Given)
model->VDMOSvth0 = 3 * model->VDMOStype; /* IRF540, 9540 */
@ -128,7 +128,7 @@ VDMOSsetup(SMPmatrix *matrix, GENmodel *inModel, CKTcircuit *ckt,
model->VDMOSrthjc = 1.0;
if (!model->VDMOSrthcaGiven)
model->VDMOSrthca = 1000;
model->VDMOSrthca = 23; /* e.g. TO220 case */
if (!model->VDMOScthjGiven)
model->VDMOScthj = 10e-06;