Littelfuse Sxx40x Series Uživatelský manuál Strana 4

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316
Revised: 09/23/13
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Teccor
®
brand Thyristors
40 Amp Standard SCRs
Sxx40x Series
Figure 7: Maximum Allowable Case Temperature
vs. Average On-State Current
Figure 8: Maximum Allowable Ambient Temperature
vs. RMS On-State Current
Figure 9: Maximum Allowable Ambient Temperature vs. Average On-State Current
80
85
90
95
100
105
110
11 5
120
125
130
0 5 10 15 20 25
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
Average On-State Current [I
T(AVE)
] - Amps
Maximum Allowable
Case Temperature (T
C
) - °C
0
20
40
60
80
100
120
0.0 0.5 1.0 1.5 2.
02.5
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
FREE AIR RATING
Maximum Allowable Ambient
Temperature (T
A
) - °C
RMS On-State Current [I
T(RMS)
] - Amps
0
20
40
60
80
100
120
0.0 0.5 1.
01.5
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
FREE AIR RATING
Average On-State Current [I
T(AVE)
] - Amps
Maximum Allowable
Ambient Temperature (Tc) - °C
Figure 10: Peak Capacitor Discharge Current Figure 11: Peak Capacitor Discharge Current Derating
100
1000
10000
0.5 1.
0 10.0 50.0
Pulse Current Duration (t
w
) - ms
Peak Discharge Current (I
TM
) - Amps
I
TRM
t
W
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0255075 100 12
5 150
Case Temperature (T
C
) - °C
Normalized Peak Current
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