English
Language : 

UT134F Datasheet, PDF (4/5 Pages) Unisonic Technologies – TRIACS
UTC UT134F/G
IGT(Tj)
IGT(25℃)
3
2.5
2
T2+G+
T2+G-
T2-G-
T2-G+
1.5
1
0.5
0
-50
0
50
100
150
Tj/℃
Fig. 7.Normalised gate trigger Current
IGT(Tj)/IGT(25℃),versus junction temperature Tj.
IL(Tj)
IL(25℃)
3
2.5
2
1.5
1
0.5
0
-50
0
50
Tj/℃
100
150
Fig.8.Normalised latching Current IL(Tj)/IL(25℃),
versus junction temperature Tj
IH(Tj)
3 IH(25℃)
2.5
2
1.5
1
0.5
0-50
0
50
100
150
Tj/℃
Fig. 9.Normalised holding current IH(Tj)/IH(25℃),
versus junction temperature Tj.
TRIAC
IT/A
12 Tj=125℃
Tj=25℃
10
max
typ
8
Vo=1.27V
Rs=0.091Ohm s
6
4
2
0
0
0.5
1
1.5
2
2.5
3
VT/V
Fig.10.Typical and maximum on-state characteristic.
10 Zth j-mb(K/W )
1
unidirectional
bidirectional
0.1
PD tp
t
0.01
10us 0.1ms 1ms 10ms 0.1s 1s
10s
tp/s
Fig.11.Transient thermal impedance Zthj-mb,versus
pulse width tp.
dVcom/dt(V/us)
1000
100
off-state dV/dt limit
UT134G
UT134F
10
dlcom/dt=5.1 3.9
A/ms
3 2.3 1.8 1.4
1
0
50
100
150
Tj/C
Fig.12.Typical commutation dV/dt versus junction
temperature,parameter commutation dlT/dt.The triac
should commutate when the dV/dt is below the value
on the appropriate curve for pre-commutation dlT/dt
UTC UNISONIC TECHNOLOGIES CO., LTD. 4
QW-R401-008,B