C&H Technology VSK.320 Series - Manual (Page 9)

www.vishay.com For technical questions, contact: [email protected] Document Number: 93581
8 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. 19 - Maximum Non-Repetitive Surge Current
Fig. 20 - Maximum Non-Repetitive Surge Current
Fig. 21 - Forward Voltage Drop Characteristics
Fig. 22 - Thermal Impedance Z
thJC
Characteristics
Fig. 23 - Current Ratings Characteristics
Fig. 24 - Current Ratings Characteristics
2000
3000
4000
5000
6000
7000
8000
1 10 100
Pe
a
k
H
a
lf
S
in
e W
a
v
e
F
o
rw
ar
d C
u
rr
e
n
t (
A
)
Numb er Of Equal Amplitude Half Cyc le Current Pulses (N)
Initial T = 150°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
At Any Ra ted Load Cond ition And With
Ra ted V Ap plied Following Surge.
RRM
J
VSK.270.. Series
Per Junc tion
2000
3000
4000
5000
6000
7000
8000
9000
0.01 0.1 1
Pe
a
k
H
a
lf
S
in
e
W
a
v
e
F
o
rw
a
rd C
u
rr
en
t (
A
)
Pulse Train Dura tion (s)
Ma ximum Non Rep etitive Surge Current
VSK.270.. Series
Per Junction
Initia l T = 150°C
No Voltage Reap plied
Rated V Rea p plied
Versus Pulse Train Dura tion.
RRM
J
10
100
1000
10000
0.5 1 1.5 2 2.5 3 3.5 4
T = 25°C
J
In
st
a
n
ta
ne
ou
s
F
o
rw
a
rd
C
u
rr
e
nt
(
A
)
Instantaneous Forward Voltage (V)
T = 150°C
J
VSK.270.. Series
Per Junc tion
0.001
0.01
0.1
1
0.001 0.01 0.1 1 10 100
Square Wave Pulse Duration (s)
th
J
C
Steady State Value:
R = 0.45 K/ W
(DC Operation)
thJC
VSK.270.. Series
Per Junction
Tr
a
n
si
e
n
t T
h
e
rm
a
l I
m
p
e
d
a
n
c
e
Z
(
K
/W
)
80
90
100
110
120
130
140
150
0 50 100 150 200 250 300 350
30°
60°
90°
120°
180°
Ma
xi
m
u
m
A
llo
w
a
b
le
C
a
se
T
e
mp
e
ra
tu
re
(
°C
)
Conduction Angle
Average Forward Current (A)
VSK.320.. Series
R (DC) = 0.125 K/ W
thJC
80
90
100
110
120
130
140
150
0 100 200 300 400 500 600
DC
30°
60°
90°
120°
180°
Ma
x
imu
m
A
llo
w
a
b
le
C
a
se
T
e
m
p
e
ra
tu
re
(
°C
)
Conduc tion Period
Average Forward Current (A)
VSK.320.. Series
R (DC) = 0.125 K/ W
thJC