Data Sheet
½ Watt
ZENER DIODES (2.4V to 200V)
Mechanical Dimensions
JEDEC
D0-35
.060
.090
.120
.200
1.00 Min.
1N5221...5281 Series
Description
.018
.022
Features
n
5 & 10% VOLTAGE
TOLERANCES AVAILABLE
n
WIDE VOLTAGE RANGE
n
MEETS UL SPECIFICATION 94V-0
1N5221...5281 Series
............................................. 500 ...............................................
.............................................
4
...............................................
Units
mW
mW /
°C
°C
Maximum Ratings
DC Power Dissipation with T
L
= > = 75
°C
...P
D
Lead Length = .375 Inches
Derate Above 50
°C
Operating & Storage Temperature Range...T
J
, T
STRG
Steady State Power Derating
Power Dissipation (W)
......................................... -65 to 100 ..........................................
Temperature Coefficients vs. Voltage
Junction Capacitance (pF)
Temperature
Coefficient (mV/
o
C)
Typical Junction Capacitance
1 V Bias
0 V Bias
50% Vz Bias
Lead Temperature (°C)
°
Zener Voltage (V)
Zener Current vs. Zener Voltage
Zener Voltage (V)
Zener Current (mA)
Zener Voltage (V)
Page 12-2
Data Sheet
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.
Part #
Jedec Type #
Nominal Zener
Voltage,
V
Z
(V)
2.4
2.5
2.7
2.8
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.0
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
15
16
17
18
19
20
22
24
25
27
28
Test
Current
I
ZT
(mA)
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
9.0
8.5
7.8
7.4
7.0
6.6
6.2
5.6
5.2
5.0
4.6
4.5
Max. Zener Impedance
Z
ZT
@ I
ZT
(Ω)
30
30
30
30
29
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
22
30
13
15
16
17
19
21
23
25
29
33
35
41
44
Z
ZK
@ I
ZK
= 0.25mA
(Ω)
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
Max. Reverse
Leakage Current @
V
R
I
R
(µA)
100
100
75
75
50
25
15
10
5
5
5
5
5
5
5
3
3
3
3
3
2
1
.5
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
.1
V
R
(V)
1
1
1
1
1
1
1
1
1
2
2
3
3.5
4
5
6
6.5
6.5
7
8
8.4
9.1
9.9
10
11
12
13
14
15
16
17
18
19
21
21
Temp. Coeff. (% /
o
C)
-0.085
-0.085
-0.08
-0.08
-0.075
-0.07
-0.065
-0.06
+/- 0.055
+/- 0.03
+/- 0.03
+ 0.038
+ 0.038
+ 0.045
+ 0.050
+ 0.058
+ 0.062
+ 0.065
+ 0.068
+ 0.075
+ 0.076
+ 0.077
+ 0.079
+ 0.082
+ 0.082
+ 0.083
+ 0.084
+ 0.085
+ 0.086
+ 0.086
+ 0.087
+ 0.088
+ 0.089
+ 0.090
+ 0.091
Max.
Zener Voltage
1N5221A
1N5222A
1N5223A
1N5224A
1N5225A
1N5226A
1N5227A
1N5228A
1N5229A
1N5230A
1N5231A
1N5232A
1N5233A
1N5234A
1N5235A
1N5236A
1N5237A
1N5238A
1N5239A
1N5240A
1N5241A
1N5242A
1N5243A
1N5244A
1N5245A
1N5246A
1N5247A
1N5248A
1N5249A
1N5250A
1N5251A
1N5252A
1N5253A
1N5254A
1N5255A
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
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
B
B
B
B
B
B
B
B
B
Page 12-3
1N5221...5281 Series
½ Watt
ZENER DIODES (2.4V to 200V)
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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