Littelfuse Sxx08x Series - Manual (Page 5)

259
Revised: 09/23/13
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Teccor ® brand Thyristors
8 Amp Sensitive & Standard SCRs
Sxx08xSx & Sxx08x Series
Figure 5: On-State Current
vs. On-State Voltage (Typical)
Figure 6: Power Dissipation (Typical)
vs. RMS On-State Current
0
1
2
3
4
5
6
7
8
RMS On-State Current [I
T(RMS)
] - (Amps)
A
v
er
ag
e On-Stat
e P
o
w
er Dissipation
[P
D(A
V)
] -- (W
at
ts)
0 1 2 3 4 5 6 7 8
125
0.0
0.5
1.0
1.5
2.0
-40 -15 10 35 60 85 110
Junction Temperature (T
J
) - (°C)
Ratio of
V
GT
/
V GT
(T
J
= 2
5
°C)
Figure 3: Normalized DC Gate Trigger Voltage
vs. Junction Temperature
Figure 4: Normalized DC Holding Current
vs. Junction Temperature
125
0.0
0.5
1.0
1.5
2.0
-40 -15 10 35 60 85 110
Junction Temperature (T
J
) - (°C)
Ratio of I
H
/ I
H
(T
J
= 2
5
°C)
0
4
8
12
16
20
24
28
32
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 Cur
rent (i
T
) –
Amps
T
J
= 25°C
Figure 7: Maximum Allowable Case Temperature
vs. RMS On-State Current
Figure 8: Maximum Allowable Case Temperature
vs. Average On-State Current
80
85
90
95
100
105
110
115
120
125
130
Sx08LSy
Sxx08RSy
Sxx08DSy
Sxx08VSy
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
Conduction Angle: 180°
FREE AIR RATING
Average On-State Current [I
T(AVE)
] - Amps
Maximum Allo
w
able
Case
Temper
at
ur
e
(T
C
) - °C
Sxx08R
Sxx08D
Sxx08V
0 1 2 3 4 5
Sxx08L
80
85
90
95
100
105
110
115
120
125
130
0 1 2 3 4 5 6 7 8 9
Sxx08RSy
Sxx08DSy
Sxx08VSy
Sxx08R
Sxx08D
Sxx08V
Sxx08LSy
Sxx08L
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
Conduction Angle: 180°
FREE AIR RATING
RMS On-State Current [I
T(RMS)
] - Amps
Maximum Allo
w
able
Case
T
emper
at
ur
e
(T
C
) - °C