Data Sheet
1N5221B - 1N5263B — Zener Diodes
© 2007 Fairchild Semiconductor Corporation www.fairchildsemi.com
1N5221B - 1N5263B Rev. 4.10 2
Electrical Characteristics
Values are at T
A
= 25°C unless otherwise noted .
Note:
2. Zener Voltage (V
Z
)
The zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (T
L
)
at 30°C ± 1°C and 3/8” lead length.
Device
V
Z
(V) @ I
Z
(2)
Z
Z
(Ω) @ I
Z
(mA) Z
ZK
(Ω) @ I
ZK
(mA) I
R
(μA) @ V
R
(V)
T
C
(%/°C)
Min. Typ. Max.
1N5221B
1N5222B
1N5223B
1N5224B
1N5225B
2.28
2.375
2.565
2.66
2.85
2.4
2.5
2.7
2.8
3
2.52
2.625
2.835
2.94
3.15
30
30
30
30
29
20
20
20
20
20
1,200
1,250
1,300
1,400
1,600
0.25
0.25
0.25
0.25
0.25
100
100
75
75
50
1.0
1.0
1.0
1.0
1.0
-0.085
-0.085
-0.080
-0.080
-0.075
1N5226B
1N5227B
1N5228B
1N5229B
1N5230B
3.135
3.42
3.705
4.085
4.465
3.3
3.6
3.9
4.3
4.7
3.465
3.78
4.095
4.515
4.935
28
24
23
22
19
20
20
20
20
20
1,600
1,700
1,900
2,000
1,900
0.25
0.25
0.25
0.25
0.25
25
15
10
5.0
5.0
1.0
1.0
1.0
1.0
2.0
-0.07
-0.065
-0.06
+/-0.055
+/-0.03
1N5231B
1N5232B
1N5233B
1N5234B
1N5235B
4.845
5.32
5.7
5.89
6.46
5.1
5.6
6
6.2
6.8
5.355
5.88
6.3
6.51
7.14
17
11
7.0
7.0
5.0
20
20
20
20
20
1,600
1,600
1,600
1,000
750
0.25
0.25
0.25
0.25
0.25
5.0
5.0
5.0
5.0
3.0
2.0
3.0
3.5
4.0
5.0
+/-0.03
0.038
0.038
0.045
0.05
1N5236B
1N5237B
1N5238B
1N5239B
1N5240B
7.125
7.79
8.265
8.645
9.5
7.5
8.2
8.7
9.1
10
7.875
8.61
9.135
9.555
10.5
6.0
8.0
8.0
10
17
20
20
20
20
20
500
500
600
600
600
0.25
0.25
0.25
0.25
0.25
3.0
3.0
3.0
3.0
3.0
6.0
6.5
6.5
7.0
8.0
0.058
0.062
0.065
0.068
0.075
1N5241B
1N5242B
1N5243B
1N5244B
1N5245B
10.45
11.4
12.35
13.3
14.25
11
12
13
14
15
11.55
12.6
13.65
14.7
15.75
22
30
13
15
16
20
20
9.5
9.0
8.5
600
600
600
600
600
0.25
0.25
0.25
0.25
0.25
2.0
1.0
0.5
0.1
0.1
8.4
9.1
9.9
10
11
0.076
0.077
0.079
0.080
0.082
1N5246B
1N5247B
1N5248B
1N5249B
1N5250B
15.2
16.15
17.1
18.05
19
16
17
18
19
20
16.8
17.85
18.9
19.95
21
17
19
21
23
25
7.8
7.4
7.0
6.6
6.2
600
600
600
600
600
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
12
13
14
14
15
0.083
0.084
0.085
0.085
0.086
1N5251B
1N5252B
1N5253B
1N5254B
1N5255B
20.9
22.8
23.75
25.65
26.6
22
24
25
27
28
23.1
25.2
26.25
28.35
29.4
29
33
35
41
44
5.6
5.2
5.0
4.6
4.5
600
600
600
600
600
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
17
18
19
21
21
0.087
0.088
0.088
0.089
0.090
1N5256B
1N5257B
1N5258B
1N5259B
1N5260B
28.5
31.35
34.2
37.05
40.85
30
33
36
39
43
31.5
34.65
37.8
40.95
45.15
49
58
70
80
93
4.2
3.8
3.4
3.2
3.0
600
700
700
800
900
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
23
25
27
30
33
0.09
0.092
0.093
0.094
0.095
1N5261B
1N5262B
1N5263B
44.65
48.45
53.2
47
51
56
49.35
53.55
58.8
105
125
150
2.7
2.5
2.2
1000
1100
1300
0.25
0.25
0.25
0.1
0.1
0.1
36
39
43
0.095
0.096
0.096
V
F
Forward Voltage = 1.2V Max. @ I
F
= 200mA