Data Sheet
�½ Watt
ZENER DIODES (2.4V to 200V)
1N5221...5281 Series
NOTES:
1. For 10% Tolerance on Zener Voltage, Specify Suffix A. For 5% Tolerance,
Specify Suffix B. (Example: 1N5230B = 4.7V +/- 5%)
2. T
A
= 25
°C
unless otherwise specified. Measurements made at Thermal Equilibrium.
Lead Length = .375". Thermal Resistance of Heat Sink = 30
°C
/ W, V
F
= 1.1V Max. @ I
F
= 200mA
Electrical Characteristics @ 25
O
C.
Nominal Zener
Voltage,
V
Z
(V)
30
33
36
39
43
47
51
56
60
62
68
75
82
87
91
100
110
120
130
140
150
160
170
180
190
200
Test
Current
I
ZT
(mA)
4.2
3.8
3.4
3.2
3.0
2.7
2.5
2.2
2.1
2.0
1.8
1.7
1.5
1.4
1.4
1.3
1.1
1.0
0.95
0.9
0.85
0.8
0.74
0.68
0.66
0.65
Max. Zener Impedance
Part #
Jedec Type #
or
or
or
or
or
or
or
or
or
or
or
or
or
or
or
or
or
or
or
or
or
or
or
or
or
or
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
Z
ZT
@ I
ZT
(Ω)
49
58
70
80
93
105
125
150
170
185
230
270
330
370
400
500
750
900
1100
1300
1500
1700
1900
2200
2400
2500
Z
ZK
@ I
ZK
= 0.25mA
(Ω)
600
700
700
800
900
1000
1100
1300
1400
1400
1600
1700
2000
2200
2300
2600
3000
4000
4500
4500
5000
5500
5500
6000
6500
7000
Max. Reverse
Leakage Current @
V
R
I
R
(µA)
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
V
R
(V)
23
25
27
30
33
36
39
43
46
47
52
56
62
68
69
76
84
91
99
106
114
122
129
137
144
152
Temp. Coeff. (% /
o
C)
+ 0.091
+ 0.092
+ 0.093
+ 0.094
+ 0.095
+ 0.095
+ 0.096
+ 0.096
+ 0.097
+ 0.097
+ 0.097
+ 0.098
+ 0.098
+ 0.099
+ 0.099
+ 0.11
+ 0.11
+ 0.11
+ 0.11
+ 0.11
+ 0.11
+ 0.11
+ 0.11
+ 0.11
+ 0.11
+ 0.11
Max.
Zener Voltage
1N5256A
1N5257A
1N5258A
1N5259A
1N5260A
1N5261A
1N5262A
1N5263A
1N5264A
1N5265A
1N5266A
1N5267A
1N5268A
1N5269A
1N5270A
1N5271A
1N5272A
1N5273A
1N5274A
1N5275A
1N5276A
1N5277A
1N5278A
1N5279A
1N5280A
1N5281A
Page 12-4
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