Teccor, Brand thyristors – Littelfuse Qxx10xHx Series User Manual
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101
Revised: 09/23/13
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Teccor
®
brand Thyristors
10 Amp Standard & Alternistor (High Communitation) Triacs
Qxx10xx & Qxx10xHx Series
Figure 7: Maximum Allowable Ambient Temperature
vs. On-State Current
Figure 8: On-State Current vs. On-State Voltage
(Typical)
T
C
= 25 ºC
0
2
4
6
8
10
12
14
16
18
20
0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4
Positive or Negative Instantaneous On-State Voltage
(V
T
) - Volts
Positive or Negative Instantaneous
On-State Current (I
T
) - AMPS
Qxx10Ly
Qxx10Ry
Qxx10LHy
Qxx10RHy
20
30
40
50
60
70
80
90
100
110
120
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
RMS On-State Current [I
T(RMS)
] - AMPS
Max Allowable Ambient Temperature
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive CONDUCTION
ANGLE: 360º
FREE AIR RATING - NO HEATSINK
(T
A
) - ºC
Figure 9: Surge Peak On-State Current vs. Number of Cycles
1
10
100
1000
1000
100
10
1
Surge Current Duration - Full Cycles
Peak Surge (Non-Repetitive) On-State Current
(I
TSM
) - AMPS
SUPPLY FREQUENCY: 60 Hz Sinusoidal
LOAD: Resistive
RMS On-State Current: [I
T(RMS)
]: Maximum Rated
Value at Specified 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.