FT08 Datasheet, PDF (3/5 Pages) List of Unclassifed Manufacturers – SURFACE MOUNT TRIAC

FT08...D
Fig. 1a: Maximum power dissipation versus
RMS on-state current (FT0807.D, FT0808.D).
P (W)
10
8
α = 180 º
α = 120 º
6
α = 90 º
4
α = 60 º
α = 30 º
2
180 º
α
α
0
IT(RMS)(A)
012 3 45 678
Fig. 2: Correlation between maximum power dissipation
and maximum allowable temperatures (Tamb and Tcase)
for different thermal resistances heatsink + contact.
P (W)
10
Rth=10 ºC/W
T case (ºC)
Rth=5 ºC/W
-110
8
Rth=0 ºC/W
6
Rth=15 ºC/W
4
2
α = 180 º
0
0 25 50
-115
-120
-125 Tamb (ºC)
75 100 125
Fig. 4: Relative variation of thermal impedance
junction to case versus pulse duration.
K = [Zth(j-c) / Rth (j-c)]
1.0
0.5
0.2
0.1
1E-3
1E-2
tp (s)
1E-1
1E+0
SURFACE MOUNT TRIAC
Fig. 1b: Maximum power dissipation versus
RMS on-state current (FT0811.D, FT0814.D).
P (W)
10
8
α = 180 º
α = 120 º
6
α = 90 º
4
α = 60 º
α = 30 º
2
180 º
α
α
0
IT(RMS)(A)
012 3 45 678
Fig. 3: RMS on-state current versus ambient
temperature
I _T(RMS) (A)
9
Rth(j-a) = Rth(j-c)
8
7
6
5
α = 180 º
4
3
Rth(j-a) = 55 ºC/W
S(Cu) = 1.75 cm2
2
1
0
Tamb (ºC)
0 25 50 75 100 125
Fig. 5: Relative variation of gate trigger current
and holding current versus junction temperature
(typical values).
IGT, IH (Tj) / IGT, IH (Tj = 25 ºC)
2.5
2.0
IGT
1.5
1.0
IH
0.5
0.0
Tj (ºC)
-40 -20 0 20 40 60 80 100 120 140
Jun - 02