BAT54 thru BAT54S
Fig.1 :
Average forward power dissipation versus
average forward current.
PF(av)(W)
0.35
0.30
0.25
0.20
0.15
0.10
0.05
IF(av) (A)
0.00
0.00
0.05
0.10
0.15
0.20
δ
=tp/T
tp
T
Fig.2 :
Average forward current versus ambient
temperature (
δ
= 1).
0.35
IF(av)(A)
δ = 0.1
δ = 0.05
δ = 0.2
δ = 0.5
0.30
0.25
δ=1
0.20
0.15
0.10
0.05
δ
=tp/T
T
tp
Tamb(°C)
0.25
0.30
0.00
0
25
50
75
100
125
150
Fig.3 :
Non repetitive surge peak forward current
versus overload duration (maximum values).
Fig.4 :
Relative variation of thermal impedance
junction to ambient versus pulse duration (alumine
substrate 10mm x 8mm x 0.5mm).
Zth(j-a)/Rth(j-a)
IM(A)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
I
M
0.2
0.1
0.0
1E-3
1.00
δ
= 0.5
δ
= 0.2
Ta=25°C
δ
= 0.1
Ta=50°C
0.10
T
Single pulse
Ta=100°C
t
δ
=0.5
t(s)
1E-2
1E-1
1E+0
tp(s)
δ
=tp/T
tp
0.01
1E-3
1E-2
1E-1
1E+0
1E+1
1E+2
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