Littelfuse Sxx10x Series Manual do Utilizador Página 6

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Revised: 09/23/13
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Teccor
®
brand Thyristors
10 Amp Sensitive & Standard SCRs
Sxx10xSx & Sxx10x Series
Figure 11: Peak Capacitor Discharge Current Figure 12: Peak Capacitor Discharge Current Derating
Figure 9: Maximum Allowable Ambient Temperature
vs. RMS On-State Current
Figure 10: Maximum Allowable Ambient Temperature
vs. Average On-State Current
Note: xx = voltage, y = sensitivity
0
20
40
60
80
100
120
0.0 0.5 1.
01.5
Average On-State Current [I
T(AVE)
] - Amps
Maximum Allowable Ambient
Temperature (T
A
) - °C
Sxx10RSy
Sxx10LSy
Sxx10VSy
Sxx10R
Sxx10L
Sxx10V
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
FREE AIR RATING
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0255075 100 12
5 150
Normalized Peak Current
Sensitive SCR
Case Temperature (T
C
) - °C
Standard SCR
10
100
1000
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
20
40
60
80
100
120
0.0 0.5 1.0 1.5 2.
02.5
Average On-State Current [I
T(RMS)
] - Amps
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
FREE AIR RATING
Sxx10R
Sxx10L
Sxx10V
Sxx10RSy
Sxx10LSy
Sxx10VSy
Maximum Allowable Case Temperature
(T
C
) - °C
1
10
100
1000
1 10 100 1000
Peak Surge (Non-repetitive)
On-state Current (I
TSM
) – Amps
Surge Current Duration -- Full Cycles
Figure 13: Surge Peak On-State Current vs. Number of Cycles
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.
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