* ****************************************** * *MMBD4148 * *NXP Semiconductors * *High-speed switching diode * * * * * * *IR = 500nA @ Vr = 75V * * * * *VRRM = 75V * *trr = 4ns * * *Package pinning does not match Spice model pinning. *Package: SOT23 * *Package Pin 1: Anode *Package Pin 2: not connected *Package Pin 3: Cathode * * * *Simulator: SPICE3 * ****************************************** *# .SUBCKT MMBD4148 1 2 * *The resistor R1 and the diode *D2 do not reflect physical *devices but improve only *modeling in the reverse mode *of operation. * R1 1 2 2E+010 D1 1 2 DIODE1 D2 1 2 DIODE2 * .MODEL DIODE1 D + IS = 4.2E-009 + N = 1.92 + BV = 137.6 + IBV = 7.064E-007 + RS = 0.8 + CJO = 5.76E-013 + VJ = 0.01 + M = 0.046 + FC = 0.5 + TT = 0 + EG = 1.1 + XTI = 3 .MODEL DIODE2 D + IS = 1E-014 + N = 1.2 + RS = 280 .ENDS