Littelfuse Qxx40xx Series - Manual (Page 4)

164
Revised: 09/23/13
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Teccor ® brand Thyristors
40 Amp Alternistor (High Commutation) Triacs
Qxx40xx Series
1 10 100 1000
10
Surge Current Duration – Full Cycles
1
P
eak Sur
g
e
(Non-r
epetitiv
e) On-Stat
e Cur
rent
(I TSM
) –
Amps
100
1000
Figure 8: Surge Peak On-State Current vs. Number of Cycles
Supply Frequency: 60Hz Sinusoidal
Load: Resistive
RMS On-State [I
T(RMS)
]: Max Rated Value at
Specific Case Temperature
Notes:
1) Gate control may be lost during and
immediately following surge current interval.
2) Overload may not be repeated until junction
temperature has returned to steady-state
rated value.
Figure 7: On-State Current vs. On-State Voltage (Typical)
T
C
= 25ºC
0
10
20
30
40
50
60
70
80
90
0.6 0.8 1.0 1.2 1.4 1.6
Positive or Negative Instantaneous On-State Voltage (v
T
) - Volts
Positive or Negative Instantaneous
On-State Current (i
T
) - AMPS
Note: xx = voltage