SD400NR Datasheet, PDF (3/7 Pages) Vishay Siliconix – Standard Recovery Diodes (Stud Version), 400 A

SD400N/R Series
Standard Recovery Diodes _{Vishay High Power Products}
(Stud Version), 400 A
ΔR_thJC CONDUCTION
CONDUCTION ANGLE
SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION
TEST CONDITIONS
180°
0.020
0.013
120°
0.023
0.023
90°
0.029
0.031
T_J = T_J maximum
60°
0.042
0.044
30°
0.073
0.074
Note
• The table above shows the increment of thermal resistance R_thJC when devices operate at different conduction angles than DC
UNITS
K/W
190
SD400N/ RSeries
180
R_thJC (DC) = 0.11 K/ W
170
160
Conduction Angle
150
140
130
120
110
0
60° ^90° 120°
30°
180°
50 100 150 200 250 300 350 400 450
Average Forward Current (A)
Fig. 1 - Current Ratings Characteristics
190
SD400N/ RSeries
180
R_thJC (DC) = 0.11 K/ W
170
160
150
Conduction Period
140
130
120
110
100
0
90°
60° 120°
30°
180° _DC
100 200 300 400 500 600 700
Average Forward Current (A)
Fig. 2 - Current Ratings Characteristics
550
500
450
400
350
300
250
200
150
100
50
0
0
180°
120°
90°
60°
30°
RMS Limit
0.2 _{K/ W}
0.3 _{K/ W}
0.4 _{K/ W}
0.6 _{K/ W}
Conduction Angle
SD400N/ RSeries
T_J = 190°C
1 _{K/ W}
1.8 _{K/ W}
50 100 150 200 250 300 350 41000 30 50 70 90 110 130 150 170 190
Average Forward Current (A)
Maximum Allowable Ambient Temperature (°C)
Fig. 3 - Forward Power Loss Characteristics
Document Number: 93548
Revision: 17-Apr-08
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