Littelfuse Sxx12x Series - Manual (Page 3)

3
Revised: 01/06/14
Specifications are subject to change without notice.
©2014 Littelfuse, Inc
Teccor ® brand Thyristors
12 Amp Standard SCRs
Sxx12x Series
Figure 1: Normalized DC Gate Trigger Current
vs. Junction Temperature
Figure 2: Normalized DC Gate Trigger Voltage
vs. Junction Temperature
0.0
0.5
1.0
1.5
2.0
-40 -15 10 35 60 85 100 125
Junction Temperature (T
J
) - (°C)
Ratio of
I GT
/
I GT
(T
J
= 25°C)
0.0
0.5
1.0
1.5
2.0
-40 -15 10 35 60 85 110 125
Junction Temperature (T
J
) - (°C)
Ratio of
V GT
/
V GT
(T
J
= 25°C)
Figure 5: Power Dissipation (Typical)
vs. RMS On-State Current
0.0
0.5
1.0
1.5
2.0
-40 -15 10 35 60 85 110 125
Junction Temperature (T
J
) - (°C)
Ratio of I
H
/ I
H
(T
J
= 25°C)
Figure 3: Normalized DC Holding Current
vs. Junction Temperature
Figure 4: On-State Current vs. On-State
Voltage (Typical)
T
J
= 25°C
0
10
20
30
40
50
60
0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6
Instantaneous On-state Voltage (v
T
) – Volts
Instantaneous On-stat
e
Cu
rr
ent (i
T
) –
Amps
Sxx12R
Sxx12V
Sxx12D
Sxx12L
0
2
4
6
8
10
12
0 2 4 6 8 10 12
RMS On-State Current [I
T(RMS
)] - (Amps)
Av
er
ag
e On-Stat
e P
owe
r
Dissipation [P
D(
AV
)
] - (W
at
ts)