*********************************************************** * * BZA408B * * Nexperia * * Quadruple bidirectional ESD transient voltage suppressor * VRWM = 5V * Cd = 75pF @ f = 1MHz, VR = 0V * IRM = 100nA @ VRWM = 5V * * * * * Package pinning does not match Spice model pinning. * Package: SOT457 (SC-74) * * Package Pin 1;4: Cathode;Cathode D1;D2 * Package Pin 2;5: Ground * Package Pin 3;6: Cathode;Cathode D3;D4 * * * Extraction date (week/year): # * Simulator: SPICE3 * *********************************************************** * * Please note: This device is an array and the * symbol has to be placed eight times on the schematic. * * The resistors R1 and R2 do not reflect * physical devices but improve only * modeling in the reverse mode of operation. * .SUBCKT BZA408B 1 2 3 4 5 6 R1 1 11 2.94E+10 R2 2 11 2E+10 D1 11 1 DIODE1 D2 11 2 DIODE2 * .MODEL DIODE1 D + IS = 1E-14 + N = 0.05 + BV = 7.129 + IBV = 2.518E-6 + RS = 1 + CJO = 3.995E-9 + VJ = 0.01729 + M = 0.6586 + FC = 0.5 .MODEL DIODE2 D + IS = 1E-14 + N = 0.05 + BV = 7.07 + IBV = 0.0005811 + RS = 1 + CJO = 5.094E-11 + VJ = 0.9561 + M = 0.2158 + FC = 0.5 .ENDS *