BS170

.model BS170 VDMOS VTO=1.824 RG=270 RS=1.572 RD=1.436 RB=.768 KP=.1233 Cgdmax=20p Cgdmin=3p CGS=28p Cjo=35p Rds=1.2E8 IS=5p Bv=60 Ibv=10u Tt=161.6n

or

.SUBCKT BS170 1 2 3 Cgs 2 3 12.3E-12 Cgd1 2 4 27.4E-12 Cgd2 1 4 6E-12 M1 1 2 3 3 MOST1 M2 4 2 1 3 MOST2 D1 3 1 Dbody .MODEL MOST1 NMOS(Level=3 Kp=20.78u W=9.7m L=2u Rs=20m Vto=2 Rd=1.186) .MODEL MOST2 NMOS(VTO=-4.73 Kp=20.78u W=9.7m L=2u Rs=20m) .MODEL Dbody D(Is=125f N=1.023 Rs=1.281 Ikf=18.01 Cjo=46.3p M=.3423 + Vj=.4519 Bv=60 Ibv=10u Tt=161.6n) .ENDS