BZX84-Series
Vishay Semiconductors
www.vishay.com
Ω
100
mV/°C
100
7
IZ = 5 mA
5
4
ΔVZ
80
60
Rzj
3
2
Δ
Tj
10
7
40
20
5
4
3
2
T = 25 °C
IZj = 5 mA
0
1
0
20
40
60
80
100 V
1
2
3
4
5
10
2
3
4
5
100 V
18122
VZ
18125
VZ
Fig. 7 - Dynamic Resistance vs. Zener Voltage
Fig. 10 - Temperature Dependence of Zener Voltage vs.
Zener Voltage
mV/°C
25
V
9
8
7
20
ΔVZ
5 mA
1 mA
20 mA
51
ΔV
IZ =
6
5
4
Z
Δ
Tj
15
10
43
36
3
2
5
0
1
0
I
= 2 mA
Z
- 1
- 5
1
2
3
4
5
10
VZ
2
3
4
5
100 V
0
60 80
140 °C
20 40
100 120
18123
18126
T
j
Fig. 8 - Temperature Dependence of Zener Voltage vs.
Zener Voltage
Fig. 11 - Change of Zener Voltage vs. Junction Temperature
V
V
0.8
1.6
25
15
ΔVZ = Rzth x IZ
0.7
VZ at IZ = 5 mA
1.4
10
1.2
0.6
0.5
0.4
ΔVZ
1
ΔVZ
8
0.8
0.6
7
0.3
0.2
0.1
6.2
5.9
0.4
0.2
5.6
5.1
0
- 1
0
- 0.2
- 0.4
4.7
3.6
- 0.2
1
2
3
4
5
10
2
3
4
5
100 V
100 120 140 C
Tj
0
20 40 60 80
18127
18124
VZ at IZ = 5 mA
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. 2.2, 13-Feb-18
Document Number: 85763
5
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