SD453NR Datasheet, PDF (3/11 Pages) Vishay Siliconix – Fast Recovery Diodes (Stud Version), 400/450 A

SD453N/R Series
Fast Recovery Diodes _{Vishay High Power Products}
(Stud Version), 400/450 A
ΔR_thJC CONDUCTION
CONDUCTION ANGLE
SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION
TEST CONDITIONS
180°
0.010
0.008
120°
0.014
0.014
90°
0.017
0.019
T_J = T_J maximum
60°
0.025
0.026
30°
0.042
0.042
Note
• The table above shows the increment of thermal resistance R_thJC when devices operate at different conduction angles than DC
UNITS
K/W
150
SD453N/ R..S20 Series
140
R_thJC (DC) = 0.1 K/ W
130
120
Conduction Angle
110
100
90
80
70
30°
60° ^90° 120°
180°
60
0 50 100 150 200 250 300 350 400 450
Average Forward Current (A)
Fig. 1 - Current Ratings Characteristics
150
SD453N/ R..S20 Series
140
R_thJC (DC) = 0.1 K/ W
130
120
110
Conduction Period
100
90
80
70
90°
60
60° _120°
30°
180° DC
50
0 100 200 300 400 500 600 700
Average Forward Current (A)
Fig. 2 - Current Ratings Characteristics
150
SD453N/ R..S30 Series
140
R_thJC (DC) = 0.1 K/ W
130
120
110
Conduction Angle
100
90
80
180°
70
30° ^{60° 90°} _120°
60
0
100 200 300 400 500
Average Forward Current (A)
Fig. 3 - Current Ratings Characteristics
150
SD453N/ R..S30 Series
140
R_thJC (DC) = 0.1 K/ W
130
120
110
100
Conduc tion Period
90
80
70
30°
60°
60
90°
120°
50
180° ^DC
40
0
200
400
600
800
Average Forward Current (A)
Fig. 4 - Current Ratings Characteristics
Document Number: 93176
Revision: 08-Apr-08
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