S4012D56 View Datasheet(PDF) - Littelfuse, Inc
Part Name
Description
Manufacturer
S4012D56 Datasheet PDF : 8 Pages
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Teccor® brand Thyristors
12 Amp Standard SCRs
Figure 6: Maximum Allowable Case Temperature
vs. RMS On-State Current
130
125
120
115
110
105
100 CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
95
0
2
4
6
8
10
12
14
RMS On-State Current [IT(RMS)] - Amps
Figure 7: M aximum Allowable Case Temperature
vs. Average On-State Current
130
125
120
115
110
105
100
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
95
0
1
2
3
4
5
6
7
8
Average On-State Current [IT(AVE)] - Amps
Figure 8: Maximum Allowable Ambient Temperature
vs. RMS On-State Current
120
100
80
60
40
20
0
0.0
Note: xx = voltage
Sxx12V
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
FREE AIR RATING
Sxx12R
0.5
1.0
1.5
2.0
2.5
RMS On-State Current [IT(RMS)] - Amps
Figure 10: Peak Capacitor Discharge Current
1000
100
ITRM
tW
10
0 5.
5.0
25.0
50.0
Pulse Current Duration (tw) - ms
Figure 9: Maximum Allowable Ambient Temperature
vs. Average On-State Current
120
100
80
60
40
20
0
0.0
Sxx12V
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
FREE AIR RATING
Sxx12R
0.5
1.0
1.5
Average On-State Current [IT(AVE)] - Amps
Figure 11: P eak Capacitor Discharge Current Derating
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
25
50
75
100
125
150
Case Temperature (TC) - °C
Sxx12x Series
256
Revised: June 24, 2011 04:57 PM
©2011 Littelfuse, Inc
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
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