Littelfuse Sxx16x Series - Manual (Page 4)

290
Revised: 09/23/13
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Teccor ® brand Thyristors
15 and 16 Amp Standard SCRs
Sxx15x & Sxx16x 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
Note: xx = voltage
80
85
90
95
100
105
110
115
120
125
130
0 1 2 3 4 5 6 7 8 9 10 11
Sxx15L
Sxx16R
Sxx16N
Average On-State Current [I
T(AVE)
] - Amps
Maximum Allo
w
able
Case
T
e
mper
a
tu
re
(T
C
)- °C
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0 25 50 75 100 125 150
Nor
maliz
ed P
eak Cur
rent
Case Temperature (T
C
) - °C
0
20
40
60
80
100
120
0.0 0.5 1.0 1.5
Sxx16R
Sxx16N
Sxx15L
Average On-State Current [I
T(AVE)
] - Amps
Maximum Allo
w
able Ambient
Temper
at
ur
e (T
A
) - °C
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
FREE AIR RATING
Figure 10: Peak Capacitor Discharge Current Figure 11: Peak Capacitor Discharge Current Derating
10
100
1000
0.5 1.0 10.0 50.0
Pulse Current Duration (t
w
) - ms
P
eak Disc
har
g
e
Cur
rent (I
TM
) -
Amps
I
TRM
t
W
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0 25 50 75 100 125 150
Nor
maliz
ed P
eak Cur
re
nt
Case Temperature (T
C
) - °C