Littelfuse Qxx04xx Series - Manual (Page 5)

57
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 9: On-State Current vs. On-State Voltage (Typical)
Positive or Instantaneous
On-State Voltage (V
T
) - Volts
1.8 1.6 1.4 1.2 1.0 0.8 0.6
0
P
ositiv
e or Instantaneous
On-Stat
e Cur
rent (I
T
) -
Amps
T
J
= 25°C
18
20
16
14
12
10
8
6
4
2
1 10 100 1000
10
Surge Current Duration – Full Cycles
1
100
Peak Surge (Non-repetitive) On-State Current
(I TSM
) – Amps
Qxx04Ry
Qxx04Ly
Qxx04Dy
Qxx04Vy
Lxx04Ry
Lxx04Ly
Lxx04Dy
Lxx04Vy
Figure 10: 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.
Note: xx = voltage, y = sensitivity