TYPICAL CHARACTERISTICS
4Q Triac
BT137-600/800
Figure 7.Normalised Gate Trigger Current
IGT(Tj)/IGT(25℃),vs Junction Temperature Tj
IGT(Tj)
3 IGT(25℃)
T2+G+
2.5
T2+G-
T2-G-
T1-G+
2
1.5
1
0.5
0
-50
0
50
Tj/℃
100
150
Figure 8.Normalised Latching Current
IL(Tj)/IL(25℃),vs Junction Temperature Tj
IL(Tj)
3 IL(25℃)
2.5
2
1.5
1
0.5
0
-50
0
50
Tj/℃
100
150
Figure 9.Normalised Holding Current
IH(Tj)/IH(25℃),vs Junction Temperature Tj
IH(Tj)
3 IH(25℃)
2.5
2
1.5
1
0.5
0
-50
0
50
Tj/℃
100
150
Figure 10.Typical and Maximum
On-state Characteristic
25 IT/A
Tj=125℃
20 Tj=25℃
typ
max
Vo=1.264V
15 Rs=0.0378Ohms
10
5
0
0 0.5
1
1.5
2
2.5
3
VT/V
Figure 11.Transient Thermal Impedance
Zth j-mb,vs Pulse Width tp
10 Zth j-mb(K/W)
1
unidirectional
0.1
bidirectional
0.01
PD tp
0.001
10us 0.1ms 1ms 10ms 0.1s
tp/s
t
1s
10s
Figure 12.Typical commutation dV/dt vs 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
dV/dt(V/us)
1000
off-state dV/dt limit
100
dIcom/
dt=10A/
10 ms
7.9 6.1 4.7 3.6 2.8
1
0
50
100
150
Tj/℃
Apr.2015-REV.00
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