Teccor, Brand thyristors – Littelfuse Qxx16xHx Series User Manual
Page 4
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Revised: 09/23/13
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Teccor
®
brand Thyristors
15 Amp Standard & 16 Amp Alternistor (High Commutation) Triacs
Qxx15xx & Qxx16xHx Series
Figure 3: Normalized DC Holding Current
vs. Junction Temperature
+125
0.0
1.0
2.0
3.0
4.0
-65 -40 -15 10 35 60 85 100
Junction Temperature (T
J
) - ºC
Ratio of
I
IH
/ I
IH
(T
J
= 2
5
ºC)
Figure 4: Normalized DC Gate Trigger Voltage for
All Quadrants vs. Junction Temperature
+125
0.0
0.5
1.0
1.5
2.0
-65 -40 -15 10 35 60 85 100
Junction Temperature (T
J
) - ºC
Ratio of
V
GT
/ V
GT
(T
J
= 2
5
ºC)
0
2
4
6
8
10
12
14
16
18
RMS On-State Current [I
T(RMS)
] - AMPS
Average On-State Powe
r Dissi
pation
[P
D(AV)
] - Watts
0 2 4 6 8 10 12 14 16 18
Figure 5: Power Dissipation (Typical)
vs. RMS On-State Current
Figure 6: Maximum Allowable Case Temperature
vs. On-State Current (15A devices)
Qxx15L5
Qxx15R5
Qxx15N5
60
70
80
90
100
110
120
130
0 5 10 15
RMS On-State Current [I
T(RMS)
] - AMPS
Max Allowable Case Temperature (T
C
) - ºC
o
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 360
CASE TEMPERATURE: Measured as shown
on dimensional drawing
Figure 8: Maximum Allowable Ambient Temperature
vs. On-State Current
20
30
40
50
60
70
80
90
100
110
120
RMS On-State Current [I
T(RMS)
] - AMPS
Max Allowable Ambiant Temperatur
e
(T
A
) - ºC
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 360
CASE TEMPERATURE: Measured as shown
on dimensional drawing
Qxx15Ry
Qxx15L
Qxx16RHy
Qxx16LHy
Figure 7: Maximum Allowable Case Temperature
vs. On-State Current (16A devices)
Qxx16LHy
Qxx16RHy
Qxx16NHy
60
70
80
90
100
110
120
130
0 5 10 15 20
RMS On-State Current [I
T(RMS)
] - AMPS
Max Allowable Case Tem
p
er
atu
re
(T
C
) - ºC
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 360
CASE TEMPERATURE: Measured as shown
on dimensional drawing