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

Page 7

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Document Number: 93587

6

Revision: 12-Jun-08

T..HF Series

Vishay High Power Products

Power Rectifier Diodes (T-Modules),

40 A/70 A/85 A/110 A

Fig. 10 - Forward Power Loss Characteristics

Fig. 11 - Maximum Non-Repetitive Surge Current

Fig. 12 - Maximum Non-Repetitive Surge Current

Fig. 13 - Current Ratings Characteristics

Fig. 14 - Current Ratings Characteristics

0

25

50

75

100

125

150

Maximum Allowable Ambient Temperature (°C)

0.5

K/

W

0.

3K

/ W

0.7

K/W

1K/

W

1.5K

/W

5K/W

3K/W

2K/W

R

=

0

.2

K/

W

-

D

e

lta

R

th

SA

0

20

40

60

80

100

120

0

20

40

60

80

100

120

DC

180°
120°

90°
60°
30°

RMS Limit

Conduc tion Period

Average Forward Current (A)

M

a

xi

m

u

m

A

v

e

rag

e

F

o

rw

ar

d P

o

w

e

r L

o

ss

(

W

)

T70HF.. Series
T = 150°C

J

300

400

500

600

700

800

900

1000

1100

1

10

100

P

e

a

k

H

a

lf

S

in

e

W

a

v

e

F

o

rw

a

rd

C

u

rr

e

n

t

(A

)

Number Of Equal Amplitude Half Cycle Current Pulses (N)

T70HF.. Series

Initial T = 150°C

@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s

At Any Ra ted Loa d Cond ition And With

Rated V App lied Following Surge.

J

RRM

200

300

400

500

600

700

800

900

1000

1100

1200

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

T70HF.. Series

Initial T = 150°C

No Voltage Reapplied

Rated V Reapplied

RRM

Versus Pulse Train Duration.

J

80

90

100

110

120

130

140

150

0

10

20

30

40

50

60

70

80

90

30°

60°

90°

120°

180°

M

a

x

im

u

m A

llo

w

a

b

le

C

a

se

T

e

mp

e

ra

tu

re

(

°C

)

Conduc tion Angle

Average Forward Current (A)

T85HF.. Series
R (DC) = 0.62 K/ W

thJC

60

70

80

90

100

110

120

130

140

150

0

20

40

60

80

100

120

140

DC

30°

60°

90°

120°

180°

M

a

x

imu

m A

llo

w

a

b

le

C

a

se

T

e

mp

e

ra

tu

re

(

°C

)

Conduction Period

Average Forward Current (A)

T85HF.. Series
R (DC) = 0.62 K/ W

thJC

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