Datasheet SMBT3904 / MMBT3904 (Infineon) - 6

SMBT3904...MMBT3904 Total power dissipation
Ptot = ƒ(TS)
Permissible Pulse Load
RthJS = ƒ(tp) SMBT3904S SMBT3904/ MMBT3904 3 300 10 mW K/W 250 2 225 10 S 200 tot thJ P R 175 1 150 10 D=0.5 125 0.2 0.1 100 0.05 0 0.02 75 10 0.01 0.005 50 0 25 -1 0 10 0 15 30 45 60 75 90 105 120 °C 150 10 -6 10 -5 10 -4 10 -3 10 -2 10 0 s TS tp
Permissible Pulse Load Permissible Puls Load
RthJS = ƒ (tp) Ptotmax/PtotDC = ƒ(tp) SMBT3904S SMBT3904/MMBT3904 3 EHP00935 3 10 10 Ptotmax t K/W p P t p tot DC D = T T 2 10 S 102 D = 0 thJR 0.005 5 0.01 0.02 1 10 0.05 0.5 0.1 0.2 0.2 0.5 0.1 101 0.05 0 0.02 10 5 0.01 0.005 D = 0 0 10 -1 10 10-6 10-5 10-4 10-3 10-2 -1 10 100 s 10 -6 10 -5 10 -4 10 -3 10 -2 10 0 s t tp p 6 2012-08-21