Version 4
SHEET 1 880 680
WIRE -112 144 -112 96
WIRE -112 336 -112 224
WIRE 0 336 -112 336
WIRE 48 96 -112 96
WIRE 48 320 48 96
WIRE 48 512 48 416
WIRE 224 96 48 96
WIRE 224 128 224 96
WIRE 224 240 224 208
WIRE 224 368 96 368
WIRE 224 400 224 368
WIRE 224 512 224 480
FLAG 224 240 0
FLAG 48 512 0
FLAG 224 512 0
SYMBOL voltage 224 112 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -112 128 R0
SYMATTR InstName V2
SYMATTR Value 4
SYMBOL voltage 224 384 R0
SYMATTR InstName V3
SYMATTR Value {Tj}
SYMBOL xpmos4_T 0 416 M180
WINDOW 0 64 84 Left 0
WINDOW 38 67 15 Left 0
SYMATTR InstName M1
SYMATTR SpiceModel NDT452AP
TEXT -480 96 Left 0 !.include NDT452AP.mod
TEXT -480 232 Left 0 !.dc V2 0 5 -0.01
TEXT -480 144 Left 0 !.step param Tj list 25 75 125
TEXT 312 488 Left 0 ;{..} or  25
TEXT -480 -80 Left 0 ;Fairchild Mosfet with temperature input pin\n \nPlot Idrain: Ix(M1:D)  \nor\nPlot Isource: Ix(M1:S)
TEXT -120 -24 Left 0 ;Symbol from LTspice Yahoo group: \nFiles > Lib > sym > Universal Subcircuits, X-Symbols   xpmos4_T
TEXT 144 328 Left 0 ;U1 changed to M1
TEXT -480 184 Left 0 ;.param Tj=25