C&H Technology 303U(R) Series - Manual (Page 17)

301U(R) Series
8 www.irf.com
Bulletin I2032 rev. B 03/03
Fig. 11 - Maximum Non-Repetitive Surge Current Fig. 12 - Maximum Non-Repetitive Surge Current
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
1 10 100
Numb er Of Equa l Amplitud e Half Cyc le Current Pulses (N)
P
e
a
k H
a
lf
S
in
e
W
a
v
e
F
o
rw
ar
d C
u
rr
e
n
t (
A
)
Initial T = 180°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
At Any Rated Load Condition And With
Rated V Applied Following Surge.
RRM
J
301U(R) Series (2500V)
1000
2000
3000
4000
5000
6000
0.01 0.1 1
Pulse Train Duration (s)
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
)
Versus Pulse Train Duration.
Initial T = 180 °C
No Voltage Reapplied
Rated V Reapplied
RRM
J
Maximum Non Repetitive Surge Current
301U(R) Series (2500V)
Fig. 13 - Forward Voltage Drop Characteristics Fig. 14 - Forward Voltage Drop Characteristics
10
100
1000
10000
0 0.5 1 1.5 2 2.5 3
T = 25°C
J
Instantaneous Forward Voltage (V)
In
st
an
ta
n
e
o
u
s F
o
rw
ar
d
C
u
rr
e
n
t (
A
)
301U(R) Series
(1600V to 2000V)
T = 180°C J
10
100
1000
10000
0 0.5 1 1.5 2 2.5 3 3.5
T = 25°C J
Instantaneous Forward Voltage (V)
In
st
an
ta
n
e
o
u
s F
o
rw
ar
d C
u
rr
e
n
t
(A
)
301U(R) Series (2500V)
T = 180°C
J
Fig. 15 - Thermal Impedance Z
thJC
Characteristic
0.001
0.01
0.1
1
0.001 0.01 0.1 1 10
Square Wave Pulse Duration (s)
th
J
C
Tr
an
si
e
n
t
Th
e
rm
a
l I
m
pe
danc
e
Z
(
K
/W
)
301U(R) Series
Steady State Value:
R = 0.14 K/ W
(DC Operation)
thJC