C&H Technology 25F(R) Series - Manual (Page 4)

Document Number: 93506 For technical questions, contact: [email protected] www.vishay.com
Revision: 29-Sep-08 3
25F(R) Series
Standard Recovery Diodes
(Stud Version), 25 A
Vishay High Power Products
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
Fig. 3 - Forward Power Loss Characteristics
ΔR
thJC
CONDUCTION
CONDUCTION ANGLE SINUSOIDAL CONDUCTION RECTANGULAR CONDUCTION TEST CONDITIONS UNITS
180° 0.28 0.24
T
J
= T
J
maximum K/W
120° 0.39 0.41
90° 0.50 0.54
60° 0.73 0.75
30° 1.20 1.21
100
110
120
130
140
150
160
170
180
0 5 10 15 20 25 30
30°
60°
90°
120°
180°
M
a
x
imum
Al
lo
w
a
bl
e
C
a
s
e
T
e
m
p
e
rat
u
re
(
°C
)
Conduction Angle
Average Forward Current (A)
25F(R) Series
R (DC) = 1.5 K/W
thJC
100
110
120
130
140
150
160
170
180
0 5 10 15 20 25 30 35 40 45
DC 30°
60°
90°
120°
180°
Ma
x
im
u
m A
llo
w
a
b
le
C
a
s
e
T
e
m
p
e
ra
tu
re
(
°C
)
Conduction Period
Average Forward Current (A)
25F(R) Series
R (DC) = 1.5 K/W
thJC
0 25 50 75 100 125 150 175
Maximum Allowable Ambient Temperature (°C)
R
=
1
K
/W
-
D
e
lta
R
th
S
A
2
K/W 3
K/W
4
K/W
6 K
/W
8 K
/W
12 K/W
20 K/W
40 K/W
0
5
10
15
20
25
30
35
0 5 10 15 20 25 30
Average Forward Current (A)
RMS Limit
M
a
x
im
u
m
A
v
er
a
g
e
F
o
rw
ar
d P
o
w
e
r L
o
s
s
(
W
)
Conduction Angle
180°
120°
90°
60°
30°
25F(R) Series
T = 175°C
J