Littelfuse Qxx04xx Series - Manual (Page 4)

56
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
Figure 3: Normalized DC Holding Current
vs. Junction Temperature
Junction Temperature (T
J
)- ºC
Ratio of
I H
I H
(T
J
= 2
5
°C)
110 125 85 60 35 10 -40 -40 -65
4.0
0.0
1.0
2.0
3.0
Figure 4: Normalized DC Gate Trigger Voltage for
All Quadrants vs. Junction Temperature
Junction Temperature (T
J
)- ºC
Ratio of
V GT
V
GT
(T
J
= 2
5
°C)
110 125 85 60 35 10 -40 -40 -65
2.0
0.0
0.5
1.0
1.5
RMS On-State Current (I
T(RMS)
) - Amps
5.0 4.0 2.0 3.0 1.0 0.0
0.0
A
v
er
ag
e On-Stat
e
P
o
w
er Dissipation (P
D(A
V)
) -
W
a
tt
s
2.0
4.0
CURRENT WAVE FORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 360°
3.0
1.0
Figure 5: Power Dissipation (Typical)
vs. RMS On-State Current
Figure 6: Maximum Allowable Case Temperature
vs. On-State Current
RMS On-State Current (I
T(RMS)
) - Amps
6 3 4 5 2 1 0
Maximum Allo
w
able
Case T
emper
at
ur
e
(T
C
) - °C
110
Lxx04Ly
Lxx04Dy
CURRENT WAVE FORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 360°
CASE TEMPERATURE: Measured as shown
on Dimensional Drawing
70
60
75
80
85
90
95
100
105
65
Lxx04Vyz
Lxx04Ry
LXX04Vy
Figure 8: Maximum Allowable Ambient Temperature
vs. On-State Current
RMS On-State Current [I
T(RMS)
] - Amps
2.0 1.0 1.2 1.4 1.6 1.8 0.6 0.8 0.4 0.2 0.0
120
100
80
60
40
20
Maximum Allo
w
able
Ambient T
emper
at
ur
e
(T
A
) - °C
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 360°
FREE AIR RATING – NO HEATSINK
L/Qxx04Vy
Qxx04Ly
Qxx04Ry
Lxx04Ly
Figure 7: Maximum Allowable Case Temperature
vs. On-State Current
RMS On-State Current (I
T(RMS)
) - Amps
6 3 4 5 2 1 0
Maximum Allo
w
able
Case T
emper
at
ur
e
(T
C
) - °C
110
Lxx04Ly
Lxx04Dy
CURRENT WAVE FORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 360°
CASE TEMPERATURE: Measured as shown
on Dimensional Drawing
70
60
75
80
85
90
95
100
105
65
Lxx04Vyz
Lxx04Ry
LXX04Vy
Note: xx = voltage, y = sensitivity