50RIA Series
Vishay High Power Products
Medium Power Thyristors
(Stud Version), 50 A
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER
Maximum operating junction and
storage temperature range
Maximum thermal resistance,
junction to case
Maximum thermal resistance,
case to heatsink
SYMBOL
T
J
, T
Stg
R
thJC
R
thCS
DC operation
Mounting surface, smooth, flat and greased
Non-lubricated threads
Allowable mounting torque
Lubricated threads
Approximate weight
Case style
See dimensions - link at the end of datasheet
TEST CONDITIONS
VALUES
- 40 to 125
0.35
K/W
0.25
3.4
+ 0 - 10 %
(30)
2.3
+ 0 - 10 %
UNITS
°C
N·m
(lbf · in)
g
oz.
(20)
28
1.0
TO-208AC (TO-65)
ΔR
thJC
CONDUCTION
CONDUCTION ANGLE
180°
120°
90°
60°
30°
SINUSOIDAL CONDUCTION
0.078
0.094
0.120
0.176
0.294
RECTANGULAR CONDUCTION
0.057
0.098
0.130
0.183
0.296
T
J
= T
J
maximum
K/W
TEST CONDITIONS
UNITS
Note
• The table above shows the increment of thermal resistance R
thJC
when devices operate at different conduction angles than DC
Maximum Allowable Case Temperature (°C)
50RIA Series
R
thJC
(DC) = 0.35 K/W
Maximum Allowable Case Temperature (°C)
130
130
50RIA Series
R
thJC
(DC) = 0.35 K/W
120
120
Conduction Angle
110
Conduction Period
110
30°
100
60°
90°
120°
180°
90
0
10
20
30
40
50
60
Average On-state Current (A)
100
90
60°
30°
80
0
10
20
30
90°
120°
180°
40
50
60
DC
70
80
Average On-state Current (A)
Fig. 1 - Current Ratings Characteristics
Fig. 2 - Current Ratings Characteristics
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Document Number: 93711
Revision: 19-Sep-08
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