T..hf series, Vishay high power products – C&H Technology T..HF Series User Manual
Page 8

Document Number: 93587
For technical questions, contact: [email protected]
www.vishay.com
Revision: 12-Jun-08
7
T..HF Series
Power Rectifier Diodes (T-Modules),
40 A/70 A/85 A/110 A
Vishay High Power Products
Fig. 15 - Forward Power Loss Characteristics
Fig. 16 - Forward Power Loss Characteristics
Fig. 17 - Maximum Non-Repetitive Surge Current
Fig. 18 - Maximum Non-Repetitive Surge Current
0
25
50
75
100
125
150
Maximum Allowable Ambient Temperature (°C)
R
=
0
.2
K
/W
-
D
e
lta
R
th
SA
0.
3
K
/W
0.5
K/
W
0.7
K/
W
1
K/
W
1.5
K/ W
2 K
/ W
3 K/ W
5 K/ W
7 K/ W
0
10
20
30
40
50
60
70
80
90
100
0
10
20
30
40
50
60
70
80
90
Average Forward Current (A)
RMS Limit
M
a
x
imu
m A
v
er
a
g
e
F
o
rw
a
rd
P
o
w
e
r L
o
ss
(
W
)
Conduc tion Angle
180°
120°
90°
60°
30°
T85HF.. Series
T = 150°C
J
0
25
50
75
100
125
150
Maximum Allowable Ambient Temperature (°C)
0.5
K/ W
0.3
K/
W
0.7
K/ W
1K/
W
1.5K/
W
2K/W
3K/ W
5K/ W
R
=
0.2
K/
W
- D
e
lta
R
th
SA
0
20
40
60
80
100
120
140
0
20
40
60
80
100
120
140
DC
180°
120°
90°
60°
30°
RMS Limit
Conduc tion Period
Average Forward Current (A)
Ma
x
imu
m
A
v
e
ra
g
e
F
o
rw
a
rd
P
o
w
e
r L
o
ss
(
W
)
T85HF.. Series
T = 150°C
J
400
600
800
1000
1200
1400
1600
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
)
Number Of Equal Amplitude Half Cycle Current Pulses (N)
T85HF.. Series
Initial T = 150°C
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
J
At Any Ra ted Loa d Cond ition And With
Ra ted V App lied Following Surge.
RRM
400
600
800
1000
1200
1400
1600
1800
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 Reapplied
Rated V Reapplied
J
Versus Pulse Train Duration.
RRM
T85HF.. Series