Maximum allowable load inductance for
a single switch off
L = f (IL ); Tj,start = 150°C,TC = 150°C const.,
Vbb = 12 V, RL = 0 Ω
L [mH]
10000
BTS 426 L1
Transient thermal impedance chip ambient air
ZthJA = f(tp)ZthJA [K/W]
100
1000
100
10
1
2
7
12
17
IL [A]
Typ. transient thermal impedance chip case
ZthJC = f(tp)ZthJC [K/W]
10
10
D=
0.5
1
0.2
0.1
0.05
0.02
0.01
0
0.1
1E-5 1E-4 1E-3 1E-2 1E-1 1E0 1E1 1E2 1E3
tp [s]
1
D=
0.5
0.1
0.2
0.1
0.05
0.02
0.01
0
0.01
1E-5 1E-4 1E-3 1E-2 1E-1 1E0 1E1
tp [s]
Semiconductor Group
9