
Document Number: 93173 For technical questions, contact: ind-modules@vishay.com
www.vishay.com
Revision: 14-May-08 3
SD263C..S50L Series
Fast Recovery Diodes
(Hockey PUK Version), 375 A
Vishay High Power Products
Note
• The table above shows the increment of thermal resistance R
thJ-hs
when devices operate at different conduction angles than DC
Fig. 1 - Current Ratings Characteristics
Fig. 2 - Current Ratings Characteristics
Fig. 3 - Current Ratings Characteristics
Fig. 4 - Current Ratings Characteristics
ΔR
thJ-hs
CONDUCTION
CONDUCTION ANGLE
SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION
TEST CONDITIONS UNITS
SINGLE SIDE DOUBLE SIDE SINGLE SIDE DOUBLE SIDE
180° 0.012 0.011 0.008 0.008
T
J
= T
J
maximum K/W
120° 0.014 0.015 0.014 0.014
90° 0.018 0.018 0.019 0.019
60° 0.026 0.027 0.027 0.028
30° 0.045 0.046 0.046 0.046
10
20
30
40
50
60
70
80
90
100
110
120
130
050100150200250300
30°
60°
90°
120°
180°
Average Forward Current (A)
Maximum Allowable Heatsink Temperature (°C)
Conduction Angle
SD263C..S50L Series
(Single Side Cooled)
R (DC) = 0.11 K/W
thJ-hs
10
20
30
40
50
60
70
80
90
100
110
120
130
0 50 100 150 200 250 300 350 400 450
30°
60°
90°
180°
DC
120°
Average Forw ard Current (A)
Maximum Allowable Heatsink Temperature (°C)
Conduction Period
SD263C ..S50L Series
(Single Side Cooled)
R ( D C ) = 0 .1 1 K /W
th J-hs
10
20
30
40
50
60
70
80
90
100
110
120
130
0 100 200 300 400 500
30°
60°
90°
120°
180°
A ver a g e Fo rw a rd C urre nt (A )
Maxim um Allowable Heatsink Tem perature (°C)
Conduction Angle
SD 263C ..S 50L S eries
(D o uble Side C oo le d)
R ( D C ) = 0 .0 5 K / W
th J-hs
10
20
30
40
50
60
70
80
90
100
110
120
130
0200400600800
30°
60°
90°
180°
DC
120°
Average Forward Current (A)
Maximum Allowable Heatsink Temperature (°C)
Conduction Period
SD263C..S50L Series
(Double Side Cooled)
R (DC) = 0.05 K/W
thJ-hs
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