25F View Datasheet(PDF) - Vishay Semiconductors
Part Name
Description
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25F Datasheet PDF : 6 Pages
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25F(R) Series
Standard Recovery Diodes Vishay High Power Products
(Stud Version), 25 A
ΔRthJC CONDUCTION
CONDUCTION ANGLE SINUSOIDAL CONDUCTION
RECTANGULAR CONDUCTION TEST CONDITIONS
UNITS
180°
0.28
0.24
120°
0.39
0.41
90°
0.50
60°
0.73
0.54
TJ = TJ maximum
K/W
0.75
30°
1.20
1.21
Note
• The table above shows the increment of thermal resistance RthJC when devices operate at different conduction angles than DC
180
25F(R) Series
170
RthJC (DC) = 1.5 K/W
160
150
Conduction Angle
140
130
120
110
100
0
90°
60° 120°
30°
180°
5 10 15 20 25 30
Average Forward Current (A)
Fig. 1 - Current Ratings Characteristics
180
25F(R) Series
170
RthJC (DC) = 1.5 K/W
160
150
Conduction Period
140
130
120
110
100
0
90°
60° 120°
30°
180° DC
5 10 15 20 25 30 35 40 45
Average Forward Current (A)
Fig. 2 - Current Ratings Characteristics
35
180°
30
120°
90°
60°
25
30°
20 RMS Limit
15
10
5
3 K/W
4 K/W
Conduction Angle
25F(R) Series
TJ = 175°C
6 K/W
8 K/W
12 K/W
20 K/W
40 K/W
0
0
5 10 15 20 25 300 25 50 75 100 125 150 175
Average Forward Current (A)
Maximum Allowable Ambient Temperature (°C)
Fig. 3 - Forward Power Loss Characteristics
Document Number: 93506
Revision: 29-Sep-08
For technical questions, contact: ind-modules@vishay.com
www.vishay.com
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