C&H Technology VSK.320 Series - Manual (Page 11)

www.vishay.com For technical questions, contact: [email protected] Document Number: 93581
10 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. 29 - Forward Power Loss Characteristics
Fig. 30 - Maximum Non-Repetitive Surge Current
Fig. 31 - Maximum Non-Repetitive Surge Current
Fig. 32 - Forward Voltage Drop Characteristics
Fig. 33 - Thermal Impedance Z
thJC
Characteristics
0 25 50 75 100 125 150
0.0
4
K/
W
0.0
5
K/
W 0.0
6
K/W
0.12
K/ W
0.3 K/W
0.6 K/ W
Maximum Allowable Ambient Temperature (°C)
0.
03
K
/ W
R
=
0.0
2
K / W
-
D
e
lta
R
0.2 K/W
0.0
8 K
/ W
th
SA
0
400
800
1200
1600
2000
2400
2800
0 200 400 600 800 1000
120°
(Rec t)
Total Output Current (A)
M
a
x
im
u
m
T
o
ta
l P
o
w
e
r L
o
ss (
W
)
3 x VSK.320.. Series
Three Phase Bridge
Connected
T = 150°C
J
2000
3000
4000
5000
6000
7000
8000
9000
10000
1 10 100
P
e
ak
H
a
lf
S
ine
W
a
v
e
F
o
rw
a
rd
C
u
rr
e
n
t (
A
)
Numb er Of Equal Amplitude Half Cyc le Current Pulses (N)
VSK.320.. Series
Per Junc tion
Initial T = 150°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
At Any Ra ted Load Condition And With
Rated V App lied Following Surge.
RRM
J
2000
3000
4000
5000
6000
7000
8000
9000
10000
0.01 0.1 1
P
e
a
k
H
a
lf
S
in
e
W
a
v
e
F
o
rw
ar
d C
u
rr
en
t (
A
)
Pulse Train Dura tion (s)
Ma ximum Non Rep etitive Surge Current
Initial T = 150°C
No Vo ltage Reap plied
Rated V Reap plied
Versus Pulse Train Dura tion.
RRM
J
VSK.320.. Series
Per Junc tio n
100
1000
10000
0.5 1 1.5 2 2.5 3 3.5 4
T = 25°C
J
In
st
a
n
ta
n
e
ou
s F
o
rw
ar
d
C
u
rr
e
n
t (
A
)
Instantaneous Forward Voltage (V)
VSK.320.. 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
Tr
an
si
en
t T
h
e
rm
a
l I
m
p
e
d
a
n
c
e
Z
(
K
/W
)
VSK.320.. Series
Per Junction
Steady State Value:
R = 0.45 K/ W
(DC Operation)
thJC