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

Page 8

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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

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