Zener Diodes
1N5221B~1N5261B
Normal Zener Voltage
P/N
Nom. V
Z
1N5250B
1N5251B
1N5252B
1N5253B
1N5254B
1N5255B
1N5256B
1N5257B
1N5258B
1N5259B
1N5260B
1N5261B
20.0
22.0
24.0
25.0
27.0
28.0
30.0
33.0
36.0
39.0
43.0
47.0
V
Z
@ I
ZT
Min. V
Z
19.00
20.90
22.80
23.75
25.65
26.60
28.50
31.35
34.20
37.05
40.85
44.65
Max. V
Z
21.00
23.10
25.20
26.25
28.35
29.40
31.50
34.65
37.80
40.95
45.15
49.35
I
ZT (mA)
6.2
5.6
5.2
5.0
4.6
4.5
4.2
3.8
3.4
3.2
3.0
2.7
Z
zT
@ I
zT
Ω
25
29
33
35
41
44
49
58
70
80
93
105
Z
zk
@ I
zk
Ω
600
600
600
600
600
600
600
700
700
800
900
1000
mA
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
I
R
@ V
R
µA
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
V
R
15.0
17.0
18.0
19.0
21.0
21.0
23.0
25.0
27.0
30.0
33.0
36.0
Characteristics Curves
PD Max. Power Dissipation (mW)
Ambient Temperature T
a
(°C)
Fig.1 Power Derating Curve
Rev. A/WW
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