User guide
55
Revised: 09/23/13
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Teccor
®
brand Thyristors
4 Amp Sensitive & Standard Triacs
Lxx04xx & Qxx04xx Series
Static Characteristics (T
J
= 25°C, unless otherwise specified)
Symbol Test Conditions Value Unit
V
TM
I
TM
= 5.6A t
p
= 380 µs MAX. 1.60 V
I
DRM
I
RRM
V
DRM
= V
RRM
MAX.
Lxx04xy
T
J
= 25°C 400-600V 5 A
T
J
= 110°C 400-600V 200 A
Qxx04xy
T
J
= 25°C 400-1000V 10 A
T
J
= 125°C 400-800V 2
mA
T
J
= 100°C 1000V 3
Thermal Resistances
Symbol Parameter Value Unit
R
(J-C)
Junction to case (AC)
L/Qxx04Dy 3.5
°C/W
L/Qxx04Ly 3.6
L/Qxx04Ry 3.6
L/Qxx04Vy 6.0
R
(J-A)
Junction to ambient
L/Qxx04Ly 50
°C/W
L/Qxx04Ry 45
L/Qxx04Vy 70
Note: xx = voltage, x = package, y = sensitivity
Figure 2: Normalized DC Gate Trigger Current for
All Quadrants vs. Junction Temperature
Junction Temperature (T
J
)- ºC
110 12585603510-40-40-65
4.0
0.0
Ratio of
I
GT
I
GT
(T
J
= 25°C)
1.0
2.0
3.0
Figure 1: Definition of Quadrants
MT2 POSITIVE
(Positive Half Cycle)
MT2 NEGATIVE
(Negative Half Cycle)
MT1
MT2
+ I
GT
REF
QII
MT1
I
GT
GATE
MT2
REF
MT1
MT2
REF
MT1
MT2
REF
QI
QIV
QIII
ALL POLARITIES ARE REFERENCED TO MT1
(-)
I
GT
GATE
(+)
I
GT
-
I
GT
GATE
(-)
I
GT
GATE
(+)
+
-










