BZT52-Series
Vishay Semiconductors
www.vishay.com
Ω
100
mV/°C
100
IZ = 5 mA
7
5
4
ΔVZ
80
60
Rzj
3
2
Δ
Tj
10
7
40
20
0
5
4
3
2
T = 25 °C
IZj = 5 mA
1
1
2
3
4
5
10
2
3
4
5
100 V
0
20
40
60
80
100 V
18122
VZ
VZ at IZ = 2 mA
18136
Fig. 7 - Dynamic Resistance vs. Zener Voltage
Fig. 10 - Temperature Dependence of Zener Voltage vs.
Zener Voltage
mV/°C
25
V
9
8
20
ΔVZ
V
at I = 5 mA
Z
Z
7
6
5 mA
ΔV
Z
51
1 mA
IZ
=
Δ
Tj
20 mA
15
10
5
43
36
4
3
2
5
1
0
0
I
= 5 mA
Z
- 1
0
20
40
60
80
100
T
120 140 °C
- 5
18158
j
1
2
3
4
5
10
2
3
4
5
100 V
18135
VZ at IZ = 5 mA
≥
V
27 V, I = 2 mA
Fig. 8 - Temperature Dependence of Zener Voltage vs.
Fig. 11 - Change of Zener Voltage vs. Junction Temperature
Zener Voltage
V
V
1.6
0.8
25
15
ΔV = r
x I
Z
Z
Zth
I = 5 mA
Z
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0.7
VZ at IZ = 5 mA
V
>= 56 V; I = 2.5 mA
Z
10
Z
0.6
0.5
0.4
ΔV
Z
ΔVZ
8
7
0.3
0.2
0.1
6.2
5.9
5.6
5.1
0
- 1
- 0.2
- 0.4
4.7
3.6
1
10
100 V
- 0.2
V
at I = 5 mA
Z
Z
18159
100 120 140 C
Tj
0
20 40 60 80
18124
Fig. 9 - 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
Rev. 1.9, 20-Feb-18
Document Number: 85760
5
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