BAT54 Datasheet, PDF (2/3 Pages) Pan Jit International Inc. – SURFACT MOUNT SCHOTTKY BARRIER

BAT54 thru BAT54S
MCC
Fig.1 : Average forward power dissipation versus
average forward current.
PF(av)(W)
0.35
0.30
δ = 0.05
0.25
0.20
0.15
0.10
0.05
0.00
0.00 0.05
δ = 0.1 _{δ = 0.2}
δ = 0.5
IF(av) (A)
0.10 0.15 0.20
δ=1
T
δ=tp/T
0.25
tp
0.30
Fig.2 : Average forward current versus ambient
temperature ( δ = 1).
IF(av)(A)
0.35
0.30
0.25
0.20
0.15
0.10
T
0.05
δ=tp/T
tp
Tamb(°C)
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).
IM(A)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3 _IM
0.2
0.1
0.0
1E-3
t
δ=0.5
1E-2
t(s)
1E-1
Ta=25°C
Ta=50°C
Ta=100°C
1E+0
Zth(j-a)/Rth(j-a)
1.00
δ = 0.5
δ = 0.2
0.10
δ = 0.1
0.01
1E-3
Single pulse
1E-2
tp(s)
1E-1 1E+0
T
δ=tp/T
1E+1
tp
1E+2
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