TYN1225 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TYN1225 Datasheet PDF : 10 Pages
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TN2540, TXN625, TYN625, TYN825, TYN1225
Characteristics
Table 4. Thermal resistances
Symbol
Rth(j-c) Junction to case (DC)
Rth(j-a) Junction to ambient (DC)
1. S = Copper surface under tab.
Parameter
S(1) = 1 cm2
D2PAK, TO-220AB
TO-220AB ins
D2PAK
TO-220AB, TO-220AB ins
Value
1.0
2.0
45
60
Unit
°C/W
°C/W
Figure 1.
P(W)
22
20
18
16
14
12
10
8
6
4
2
0
0
2
Maximum average power
dissipation versus average
on-state current
360°
IT(AV)(A)
α
4
6
8
10
12
14
Figure 2. Average and DC on-state current
versus case temperature
IT(AV)(A)
28
26
24
DC
22
20
18
16
14
α = 180°
12
10
8
6
4
2
0
16
0
25
TO-220ABins
Tcase(°C)
50
75
D2PAK
TO-220AB
100
125
Figure 3. Average and DC on-state current
versus ambient temperature
Figure 4.
Relative variation of thermal
impedance versus pulse duration
(D2PAK, and TO-220AB)
IT(AV)(A)
3,5
DC
3,0
2,5
α = 180°
K=[Zth/Rth]
1.00
Zth(j-c)
2,0
1,5
1,0
0,5
0,0
0
D2PAK
TO-220AB
0.10
Zth(j-a)
TO-220ABins
Tamb(°C)
tp(s)
0.01
25
50
75
100
125
1E-3
1E-2
1E-1
1E+0
1E+1
1E+2 5E+2
Doc ID 7478 Rev 8
3/10
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