- 379 -

RATINGS AND CHARACTERISTIC CURVES (MURF1620

THRU MURF1660CT)

CT

V , INSTANTANEOUS VOLTAGE. (V)

F

FIG.3- TYPICAL FORWARD VOLTAGE, PER LEG

0.2

0.3

0.4

0.6

0.8

1.0

1.1

1.2

0.1

0.9

0.7

0.5

0.2

0.3

0.5

0.7

1.0

2.0

3.0

5.0

7.0

10

20

30

50

70

100

Tj=175 C

0

100 C

0

25 C

0

FIG.2- TYPICAL REVERSE CURRENT, PER LEG

25 C

0

Tj=175 C

0

100 C

0

0

020

40

60

80

100

120

140

160

180

200

0.02

0.04

0.08

0.2

0.4

0.8

2.0

4.0

8.0

20

40

80

200

400

800

V , REVERSE VOLTAGE. (V)

R

*The curves shown are typical for hightest voltage deice in the

voltage grouping. Typical reverse current for lower voltage selections

can be estimated from these same curves if V is sufficiently below

rated V .

R

R

FIG.1- CURRENT DERATING, CASE, PER LEG

T , CASE TEMPERATURE. ( C)

C

o

0

140

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10

145

150

155

160

165

170

175

180

dc

SQUARE WAVE

RATED V APPLIED

R

V , REVERSE VOLTAGE. (V)

R

1.0

10

10

100

30

100

300

1000

FIG.4- TYPICAL CAPACITANCE, PER LEG

Tj=25 C

0

T , AMBIENT TEMPERATURE. ( C)

A

o

0

0

20

40

60

80

100

120

140

160

180

200

2.0

4.0

6.0

8.0

10

12

14

FIG.5- CURRENT DERATING, AMBIENT, PER LEG

SQUARE WAVE

SQUARE WAVE

dc

dc

R JA = 16 C/W

O

R JA = 60 C/W

O

(NO HEATSINK)