DC current gain hFE = ƒ(IC)
VCE = 1 V, normalized
10 1
h FE 5
10 0
5
125 C
25 C
-55 C
SMBT3906/ MMBT3906
Saturation voltage IC = ƒ(VBEsat; VCEsat)
hFE = 10
EHP00774
2
mA
Ι C 10 2
5
VCE
10 1
5
EHP00767
VBE
10 -1
10 -1
5 10 0
5 10 1
mA 10 2
ΙC
Total power dissipation Ptot = ƒ(TA*; TS)
* Package mounted on epoxy
400
mW
Ptot
300
EHP00766
200
TA
TS
100
10 0
0
0.2 0.4 0.6
Permissible Pulse Load
Ptotmax/PtotDC = ƒ(tp)
0.8 1.0 V 1.2
VBE sat , VCE sat
10 3
Ptot max
Ptot DC
5
10 2
5
10 1
5
EHP00936
D = tp
T
tp
T
D=
0
0.005
0.01
0.02
0.05
0.1
0.2
0.5
0
10 0
0
50
100 ˚C 150
10 -6 10 -5 10 -4 10 -3 10 -2 s
10 0
TA; TS
tp
5
Jul-28-2003