Littelfuse SxSx Series - Manual (Page 4)

192
Revised: 09/23/13
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Teccor ® brand Thyristors
0.8 Amp Sensitive SCRs
EC103xx & SxSx 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
65
75
85
95
105
115
0.0 0.1 0.2 0.3 0.4 0.5 0.6
Average On-State Current [I
T(AVE)
] - Amps
Maximum Allowable Case Temperature
(T
C
) - °C
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
0
20
40
60
80
100
120
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
RMS On-State Current [I
T(RMS)
] - Amps
M
a
xi
m
u
m
A
ll
o
w
a
b
le A
m
b
ien
t T
e
m
p
er
at
u
re
(T
A
) - °
C
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
FREE AIR RATING
0
20
40
60
80
100
120
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
Average On-State Current [I
T(AVE)
] - Amps
Maximum Allowable Ambient Temperature
(T
A
) - °C
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180°
FREE AIR RATING
Figure 11: Peak Repetitive Sinusoidal Pulse Current
Figure 10: Peak Capacitor Discharge Current
Pulse Current Duration (t
W
) - μs
P
e
a
k
D
is
c
ha
rge
C
urre
nt
(
I TM
) -Amps
0
20
40
60
80
100
120
140
160
180
1 10 100
1 Hz
12 Hz
60 Hz
I
TRM
t
W
0
20
40
60
80
100
120
140
160
180
1 10 100
Pulse Current Duration (t
W
) - μs
Peak Discharge Current (I
TM
) - Amps
1 Hz
12 Hz
60 Hz
I
TM
t
W