Datasheet

BZT52-Series
www.vishay.com
Vishay Semiconductors
Rev. 1.8, 26-Feb-13
5
Document Number: 85760
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Fig. 7 - Dynamic Resistance vs. Zener Voltage
Fig. 8 - Temperature Dependence of Zener Voltage vs.
Zener Voltage
Fig. 9 - Change of Zener Voltage vs. Junction Temperature
Fig. 10 - Temperature Dependence of Zener Voltage vs.
Zener Voltage
Fig. 11 - Change of Zener Voltage vs. Junction Temperature
Fig. 12 - Change of Zener Voltage from Turn-on up to the Point of
Thermal Equilibrium vs. Zener Voltage
18122
100
7
5
4
3
2
7
5
4
3
2
1
Ω
R
zj
10
T
j
= 25 °C
I
Z
= 5 mA
1
2345 2345
10 100 V
V
Z
18135
Δ
25
20
15
10
5
0
- 5
mV/°C
Δ
V
Z
T
j
1
2345 2345
10 100 V
V
Z
at I
Z
= 5 mA
V 27 V, I = 2 mA
≥
5 mA
1 mA
20 mA
I
Z
=
18124
V
Z
at I
Z
= 5 mA
25
15
10
8
7
6.2
5.9
5.6
5.1
4.7
3.6
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
- 1
- 0.2
V
Z
V
T
j
020406080
100 120 140 C
Δ
18136
Δ
100
80
60
40
20
0
mV/°C
Δ
V
Z
T
j
0
20 40 80
60 100 V
V
Z
at I
Z
= 2 mA
I
Z
= 5 mA
18158
0 20 40 60 80 100 120 140 °C
9
8
7
6
5
4
3
2
1
0
- 1
V
V
Z
at I
Z
= 5 mA
I
Z
= 5 mA
ΔV
Z
T
j
51
43
36
V
18159
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
- 0.2
- 0.4
1 10 100 V
ΔV
Z
V
Z
at I
Z
= 5 mA
ΔV
Z
= r
Zth
x I
Z
I
Z
= 5 mA
V
Z
>= 56 V; I
Z
= 2.5 mA