Zener Diodes
1N5221B~1N5261B
Normal Zener Voltage
VZ @ IZT
P/N
ZzT @ IzT
Zzk @ Izk
IR @ VR
µA
Nom. VZ Min. VZ Max. VZ
IZT (mA)
Ω
Ω
mA
VR
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
19.00
20.90
22.80
23.75
25.65
26.60
28.50
31.35
21.00
23.10
25.20
26.25
28.35
29.40
31.50
34.65
6.2
25
29
33
35
41
44
49
58
70
80
93
105
600
0.25
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
15.0
5.6
5.2
5.0
4.6
4.5
4.2
3.8
600
600
600
600
600
600
700
700
800
900
1000
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
17.0
18.0
19.0
21.0
21.0
23.0
25.0
27.0
30.0
33.0
36.0
36.0
39.0
43.0
47.0
34.20
37.05
40.85
44.65
37.80
40.95
45.15
49.35
3.4
3.2
3.0
2.7
Characteristics Curves
Ambient Temperature Ta (°C)
Fig.1 Power Derating Curve
Rev. A/WW
Page 3 of 4
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