Littelfuse Q6012LTH1LED Series - Manual (Page 4)

186
Revised: 09/23/13
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Teccor ® brand Thyristors
12 Amp Alternistor Quadrac for LED dimmer applications
Q6012LTH1LED Series
-8%
-6%
-4%
-2%
0%
2%
4%
6%
-40 -20 0 20 40 60 80 100 120 140
Junction Temperature (T
J
) -- °C
V
BO
C
h
a
nge
-
- %
Figure 6: DIAC V
BO
Change vs. Junction Temperature
D.U.T. MT2
MT1
C
T
= 0.1 μF
T
V
C
120 V
60 Hz
R
L
Figure 7: Test Circuit
ΔV+
ΔV-
V
C
+V
BO
-V
BO
0
I
L
+I
PK
-I
PK
0 t
t
Typical pulse base width is 10μs
Figure 8: Test Circuit Waveform
0
50
100
150
200
250
300
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Triggering Capacitance (C
T
) – μF
Peak Output Current (I
PK
) – mA
Typical (3
5V Device)
Figure 9: Peak Output Current vs Triggering Capacitance
(Per Figure 7)