C&H Technology VSK.320 Series - Manual (Page 6)

Document Number: 93581 For technical questions, contact: [email protected] www.vishay.com
Revision: 22-Apr-08 5
VSK.250, .270, .320 Series
Standard Recovery Diodes, 250 to 320 A
(MAGN-A-PAK TM Power Modules)
Vishay High Power Products
Fig. 6 - Forward Power Loss Characteristics
Fig. 7 - Forward Power Loss Characteristics
Fig. 8 - Maximum Non-Repetitive Surge Current Fig. 9 - Maximum Non-Repetitive Surge Current
0 25 50 75 100 125 150
Maximum Allowable Ambient Temperature (°C)
0.0
8
K/
W
0.1
K/
W
0.1
6 K
/W
0.25
K/ W
0
.0
3
K
/W
0.0
5
K
/W
0.35 K/
W
R
=
0
.0
1
K
/W
-
D
e
lta
R
th
SA
0
200
400
600
800
1000
1200
0 100 200 300 400 500
Total Output Current (A)
Ma
x
im
u
m
T
o
ta
l P
o
w
e
r
L
o
ss
(
W
)
180°
(Sine)
180°
(Rec t)
2 x VSK.250.. Series
Single Phase Brid ge
Connec ted
T = 150°C
J
0 25 50 75 100 125 150
Maximum Allowab le Ambient Temp era ture (°C)
0.25 K/
W
R
=
0
.0
0
5
K
/W
-
D
e
lta
R
th
S
A
0
.0
2
K
/W
0.0
4
K
/W
0.0
6
K/
W
0.0
8
K/
W
0.1
2 K
/ W
0.16
K/ W
0.35 K/W
0
200
400
600
800
1000
1200
1400
1600
1800
0 100 200 300 400 500 600 700 800
Total Outp ut Current (A)
Ma
x
im
u
m
T
o
ta
l P
o
wer
L
o
ss
(
W
)
120°
(Rec t)
3 x VSK.250.. Series
Three Phase Brid ge
Connec ted
T = 150°C
J
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
1 10 100
P
e
ak
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)
Initia l T = 150°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
J
VSK.250.. Series
Per Junc tion
At Any Ra ted Loa d Cond ition And With
Rated V Ap p lied Following Surge.
RRM
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
7000
0.01 0.1 1
P
e
ak
H
a
lf
S
in
e
W
a
v
e
F
o
rw
ar
d C
u
rr
e
n
t (
A
)
Pulse Train Duration (s)
Maximum Non Repetitive Surge Current
Initial T = 150°C
No Voltage Reapp lied
Ra ted V Rea pplied
RRM
Versus Pulse Train Duration.
J
VSK.250.. Series
Per Junc tion