Characteristics

BZW50

4/8

Doc ID 2973 Rev 5

Figure 3.

Peak power dissipation vs. initial

junction temperature

(printed circuit board)

Figure 4.

Peak pulse power vs. exponential

pulse duration

0

0

20

40

60

80

100

20

40

60

80

100 120 140 160 180 200

%

Tj initial(°C)

0.001

0.01

0.1

1

10

100

1E2

1E3

1E4

1E5

1E6

1E7

Pp (W)

p

tp(ms)EXPO.

Tj initial(°C)

Figure 5.

Clamping voltage vs. peak pulse

Figure 6.

Capacitance vs. reverse applied

voltage for unidirectional types

(typical values).

1.

The curves in Figure 5 are specified for a junction temperature of 25 °C before surge. The given results may be

extrapolated for other junction temperatures by using the following formula:

V

For intermediate voltages, extrapolate the given results.

0.1

1

10

100

1000

10000

10

100

1000

Ipp (A)

V

(V)

CL

Ipp (A)

BZW50-180

BZW50- 82

BZW50- 82

BZW50- 82

BZW50- 39

BZW50- 12

BZW50- 18

BZW50- 12

BZW50- 10

t

%Ipp

100

50

0

t r

t< 10

s

r

t

t

%Ipp

100

50

0

t r

t< 10

s

r

tp

Tj initial(°C)

C(nF)

110

100

1

10

100

V(V)

R

BZW 50-39

BZW 50-82

BZW 50-18

0

BZW 50-10

BZW 50-18

0.1

500

Tj= 25 °C

F = 1 MHz

Figure 7.

Capacitance vs. reverse applied

voltage for bidirectional types

(typical values)

Figure 8.

Peak forward voltage drop vs. peak

forward current for unidirectional

1.

C(nF)

110

100

1

10

100

V(V)

R

0.1

500

BZW 50-18

0B

BZW 50-39B

BZW 50-82B

BZW 50-10B

BZW 50-18B

Tj= 25 °C

F = 1 MHz