Datasheet

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Document Number: 93711
4 Revision: 19-Sep-08
50RIA Series
Vishay High Power Products
Medium Power Thyristors
(Stud Version), 50 A
Note
• The table above shows the increment of thermal resistance R
thJC
when devices operate at different conduction angles than DC
Fig. 1 - Current Ratings Characteristics Fig. 2 - Current Ratings Characteristics
THERMAL AND MECHANICAL SPECIFICATIONS
PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS
Maximum operating junction and
storage temperature range
T
J
, T
Stg
- 40 to 125 °C
Maximum thermal resistance,
junction to case
R
thJC
DC operation 0.35
K/W
Maximum thermal resistance,
case to heatsink
R
thCS
Mounting surface, smooth, flat and greased 0.25
Allowable mounting torque
Non-lubricated threads
3.4
+ 0 - 10 %
(30)
N · m
(lbf · in)
Lubricated threads
2.3
+ 0 - 10 %
(20)
Approximate weight
28 g
1.0 oz.
Case style See dimensions - link at the end of datasheet TO-208AC (TO-65)
ΔR
thJC
CONDUCTION
CONDUCTION ANGLE SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION TEST CONDITIONS UNITS
180° 0.078 0.057
T
J
= T
J
maximum K/W
120° 0.094 0.098
90° 0.120 0.130
60° 0.176 0.183
30° 0.294 0.296
90
100
110
120
130
0 102030405060
30°
60°
90°
120°
180°
Average On-state Current (A)
Maximum All owable Case Temperature (°C)
Conduction Angle
50RIA Series
R (DC) = 0.35 K/W
thJC
80
90
100
110
120
130
0 1020304050607080
DC
30°
60°
90°
120°
180°
Average On-state Current (A)
Maximum Allowable Case Temperature (°C)
Conduction Period
50RIA Series
R (DC) = 0.35 K/W
thJC