UT137FG Datasheet, PDF (3/5 Pages) Unisonic Technologies – TRIACS

UTC UT137FF/FG
TRIAC
TYPICAL CHARACTERISTICS
Figure 1.Maximum on -state Dissipation.Ptot vs RMS On-
state Current,IT(RMS),Whereα=Conduction Angle.
12 ^Ptot/W
α
10
α
8
Tsp(max)/C
71
α=180
α=120 80
α=90
α=60 ⁸⁹
6
α=30 ⁹⁸
4
107
2
116
0
125
0
2
4
6
8
10
IT(RMS)/A
Figure 2. Maximum Permissible Non-repetitive
Peak On-state Current ITSM,vs Pulse Width
tp,for Sinusoidal Currents,tp≦20ms
ITSM/A
1000
IT
ITSM
time
Tj initial=25℃max
100
dIT/dt limit
T2-G+ quadrant
10
10us
100us
1ms
T/s
10ms
100ms
Figure 3 .Maximum Permissible Non-Repetitive
peak on-state Current ITSM,vs Number of Cycles,
for Sinusoidal Currents,f=50Hz
ITSM/A
80
70
IT
ITSM
time
60
T
50
Tj initial=25℃max
40
30
20
10
0
1
10
100
1000
Number of Cycles at 50Hz
Figure 4.Maximum Permissible RMS Current IT(RMS)
vs Heatsink Temperature Ths
10 ^IT(RMS)/A
73℃
8
6
4
2
0
-50
0
50
100
150
Ths/℃
Figure 5.Maximum Permissible Repetitive RMS on-state
Current IT(RMS),vs Surge Duration,for Sinusoidal
Currents,f=50Hz;Ths≦73℃
25 ^IT(RMS)/A
20
15
10
5
0
0.01
0.1
1
10
Surge Duration /S
Figure 6.Normalised Gate Trigger Voltage VGT(Tj)/
VGT(Tj)^{VGT(25℃),vs Junction Temperature Tj}
1.6 ^{VGT(25℃)}
1.4
1.2
1
0.8
0.6
0.4
-50
0
50
Tj/℃
100
150
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