Datasheet
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
%
T
j
initial(°C)
0.001 0.01 0.1 1 10 100
1E2
1E3
1E4
1E5
1E6
1E7
P
p
(W)
p
tp(ms)EXPO.
T
j
initial(°C)
Figure 5. Clamping voltage vs. peak pulse
current
(1)
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
BR
= T x [T
amb
-25] x V
BR
(25 °C)
For intermediate voltages, extrapolate the given results.
0.1 1 10 100 1000 10000
10
100
1000
V
CL
Ipp (A)
V
(
V
)
CL
Ipp (A)
BZW50-180
BZW50- 82BZW50- 82
BZW50- 82BZW50- 39
BZW50- 12BZW50- 18
BZW50- 12BZW50- 10
t
%Ipp
100
50
0
t
r
t<10 s
r
t
t
%Ipp
100
50
0
t
r
t<10 s
r
t
p
T
j
initial(°C)
C(nF)
110100
1
10
100
V(V)
R
B
Z
W
5
0
-
3
9
B
Z
W
5
0
-
8
2
B
Z
W
5
0
-
1
8
0
B
Z
W
5
0
-
1
0
B
Z
W
5
0
-
1
8
0.1
500
T
j
= 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
types (typical value).
(1)
1. Multiply by 2 for units with V
BR
> 220 V.
C(nF)
110100
1
10
100
V(V)
R
0.1
500
B
Z
W
5
0
-
1
8
0B
B
Z
W
5
0
-
3
9B
B
Z
W
5
0
-
8
2B
B
Z
W
5
0
-
1
0B
B
Z
W
5
0
-
1
8B
T
j
= 25 °C
F = 1 MHz