BZT52-Series
Vishay Semiconductors
www.vishay.com
TYPICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
mA
103
Ω
100
TJ = 25 °C
102
10
5
4
IF
3
2
33
rzj
TJ = 100 °C
27
22
1
10-1
10-2
10
18
15
TJ = 25 °C
5
4
12
10-3
10-4
10-5
3
10
2
6.8/8.2
6.2
1
0
0.2
0.4
0.6
0.8
1V
0.1
18119
2
5
1
2
5
10
IZ
2
5 100 mA
VF
18114
Fig. 1 - Forward characteristics
Fig. 4 - Dynamic Resistance vs. Zener Current
mW
Ω
103
500
400
300
200
100
0
Tj = 25 °C
7
5
4
Rzj
3
2
47 + 51
43
Ptot
39
36
102
7
5
4
3
2
10
0.1
2
3
4
5
1
2
3
4
5
10
mA
0
100
Tamb
200 °C
18120
IZ
18888
Fig. 2 - Admissible Power Dissipation vs. Ambient Temperature
Fig. 5 - Dynamic Resistance vs. Zener Current
Ω
Ω
1000
103
ΔVZ
TJ = 25 °C
5
Rzth = RthA x VZ
x
5
4
3
4
3
2
Δ
Tj
2
Rzth
rzj
102
100
5
4
3
5
4
3
2
2
10
5
4
3
10
5
4
3
2.7
3.6
4.7
5.1
negative
positive
10
2
2
5.6
1
1
0.1
18117
2
5
1
2
5
10
2
5 100 mA
1
2
3
4
5
2
3
4
5
100 V
IZ
18121
VZ at IZ = 5 mA
Fig. 3 - Dynamic Resistance vs. Zener Current
Fig. 6 - Thermal Differential Resistance vs. Zener Voltage
Rev. 1.9, 20-Feb-18
Document Number: 85760
4
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