C&H Technology VSK.320 Series - Manual (Page 7)

www.vishay.com For technical questions, contact: [email protected] Document Number: 93581
6 Revision: 22-Apr-08
VSK.250, .270, .320 Series
Vishay High Power Products Standard Recovery Diodes, 250 to 320 A
(MAGN-A-PAK TM Power Modules)
Fig. 10 - Forward Voltage Drop Characteristics
Fig. 11 - Thermal Impedance Z
thJC
Characteristics
Fig. 12 - Current Ratings Characteristics
Fig. 13 - Current Ratings Characteristics
Fig. 14 - Forward Power Loss Characteristics
Fig. 15 - Forward Power Loss Characteristics
10
100
1000
10000
0.5 1 1.5 2 2.5 3 3.5 4
T = 25°C
J
In
st
an
ta
n
e
o
u
s
F
o
rw
a
rd C
u
rr
en
t (
A
)
Instantaneous Forward Voltage (V)
VSK.250.. Series
Per Junc tion
T = 150°C
J
0.001
0.01
0.1
1
0.001 0.01 0.1 1 10 100
Square Wave Pulse Duration (s)
th
J
C
VSK.250.. Series
Per Junction
Steady State Value:
R = 0.16 K/ W
(DC Operation)
thJC
T
ra
n
si
en
t T
h
er
m
a
l I
m
ped
a
n
c
e Z
(
K
/W
)
80
90
100
110
120
130
140
150
0 50 100 150 200 250 300
30°
60°
90°
120°
180°
M
a
x
im
u
m
A
llo
w
a
b
le C
a
se
T
e
m
p
er
a
tu
re (
°C
)
Conduction Angle
Average Forward Current (A)
VSK.270.. Series
R (DC) = 0.125 K/ W
thJC
80
90
100
110
120
130
140
150
0 100 200 300 400 500
DC
30°
60°
90°
120°
180°
Ma
xi
mu
m A
llo
w
a
b
le
C
a
se
T
e
mp
e
ra
tu
re
(
°C
)
Conduction Period
Average Forward Current (A)
VSK.270.. Series
R (DC) = 0.125 K/ W
thJC
0
50
100
150
200
250
300
350
400
0 50 100 150 200 250 300
Average Forward Current (A)
RMS Limit
Ma
x
im
u
m A
v
e
ra
g
e
F
o
rw
a
rd
P
o
w
e
r L
o
ss
(W
)
Conduc tion Angle
180°
120°
90°
60°
30°
VSK.270.. Series
T = 150°C
J
0
50
100
150
200
250
300
350
400
450
500
0 50 100 150 200 250 300 350 400 450
DC
180°
120°
90°
60°
30°
Average Forward Current (A)
RMS Limit
M
a
xi
mu
m A
v
e
ra
g
e
F
o
rw
a
rd
P
o
w
e
r L
o
ss
(
W
)
Conduction Period
VSK.270.. Series
T = 150°C
J