Datasheet

BTW68 Characteristics
Doc ID 17757 Rev 3 3/8
Figure 1. Maximum average power
dissipation versus average on-state
current
Figure 2. Correlation between maximum
average power dissipation and
maximum allowable temperature
P(W)
I (A)
T(RMS)
α = 120°
α = 90°
40
50
30
20
10
0
0 5 10 15 20 25 30 35
α = 30°
α = 60°
α = 180°
D.C.
360°
α
T (°C)
amb
0 20 40 60 80 100 120 140
125
50
75
100
P(W)
T (°C)
case
40
50
30
20
10
0
R = 3°C/W
th
R = 2°C/W
th
R = 0°C/W
th
α = 180°
R = 1°C/W
th
(T and T )
amb lead
Figure 3. Average on-state current versus case
temperature
Figure 4. Relative variation of thermal
impedance versus pulse duration
I (A)
T(AV)
30
40
50
20
10
0
025 7550 100 125
T (°C)
case
α = 180°
DC
K=[Z /R
th(j-c) th(j-c)
]
t (s)
p
Z
th(j-c)
Z
th(j-a)
1.00
0.10
0.01
0.0
1E-3 1E-2 1E-1 1E+0 1E+1 1E+2 1E+3
Figure 5. Relative variation of gate trigger
current versus junction
temperature
Figure 6. Surge peak on-state current versus
number of cycles
I,I,I[T] /
GT H L j
I ,I ,I [T =25°C]
GT H L j
T (°C)
j
I
GT
I
H
& I
L
2.5
2
1.5
1
0.5
0
-20-30-40 0 10-10 20 4030 50 60 70 80 90 100 110 120 130
I (A)
TSM
200
250
300
350
150
100
50
0
1 10 100 1000
t =10ms
p
One cycle
Number of cycles
T initial=25°C
j