1N5221 thru 1N5281
Zener Voltage Range: 2.4 to 200 Volts
Zener Diodes
Power Dissipation: 500mW
Features
Silicon Planar Power Zener Diodes.
Standard Zener voltage tolerance is
±
5% with a “B” suffix,
and
±
10% with a “A” suffix . Other tolerances are available
upon request.
These diodes are also available in Mini-MELF case with the type
designation ZMM5225...ZMM5267.
Mechanical Data
Case: DO-35 Glass Case
Weight: approx. 0.13 gram
Maximum Ratings and Thermal Characteristics
(T
A
=25
o
C unless otherwise noted)
Parameter
Zener current (see Table "Characteristics")
Power dissipation at T
amb
=75
o
C
Thermal resistance junction to ambient air
Maximum junction temperature
Storage temperature range
P
tot
R
θ
JA
T
j
T
S
500
300
(1)
Symbol
Value
Unit
mW
o
(1)
C/W
o
175
-65 to +175
C
C
o
Notes:
1. Valid provided that leads at a distance of 10mm from case are kept at ambient temperature.
487
Electrical Characteristics
(T
J
=25
o
C unless otherwise noted)
Maximum V
F
=1.1V at I
F
=200mA
N ominal z ener
voltage
(3)
at I
ZT
V
Z
(Volts)
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
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
Maximum reverse
leakage current
Maximum regulator
current
(2)
I
ZM
(mA)
-
-
-
-
152
138
126
115
106
97
89
81
76
73
67
61
55
52
50
45
41
38
35
32
30
28
27
25
24
23
21
19.1
18.2
16.8
16.2
15.1
13.8
12.6
11.6
10.6
9.7
8.9
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Test voltage
V
R
(Volts)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
3.0
3.5
4.0
5.0
6.0
6.5
6.5
7.0
8.0
8.4
9.1
9.9
10
11
12
13
14
14
15
17
18
19
21
21
23
25
27
30
33
36
39
43
46
47
52
56
62
68
69
75
83
90
98
105
113
120
127
135
142
150
Type
number
1N5221
1N5222
1N5223
1N5224
1N5225
1N5226
1N5227
1N5228
1N5229
1N5230
1N5231
1N5232
1N5233
1N5234
1N5235
1N5236
1N5237
1N5238
1N5239
1N5240
1N5241
1N5242
1N5243
1N5244
1N5245
1N5246
1N5247
1N5248
1N5249
1N5250
1N5251
1N5252
1N5253
1N5254
1N5255
1N5256
1N5257
1N5258
1N5259
1N5260
1N5261
1N5262
1N5263
1N5264
1N5265
1N5266
1N5267
1N5268
1N5269
1N5270
1N5271
1N5272
1N5273
1N5274
1N5275
1N5276
1N5277
1N5278
1N5279
1N5280
1N5281
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
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
1.2
1.0
0.95
0.90
0.85
0.80
0.74
0.68
0.66
0.65
Maximum z ener impedance
at I
ZT
Z
ZT
(Ω)
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
49
58
70
80
93
105
125
150
170
185
230
270
330
370
400
500
700
950
1100
1300
1500
1700
1900
2200
2400
2500
(1)
at I
ZK
=0.25mA
Ω
Z
ZK
(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
600
700
700
800
900
1000
1100
1300
1400
1400
1600
1700
1700
2000
2200
2300
-
-
-
-
-
-
-
-
-
-
Typical
temperature
coefficient
α
vz (% / K )
-0.085
-0.085
-0.080
-0.080
-0.075
-0.070
-0.065
-0.060
-0.055
+
+
I
R
(uA)
100
100
75
75
50
25
15
10
5.0
5.0
5.0
5.0
5.0
5.0
3.0
3.0
3.0
3.0
3.0
3.0
2.0
1.0
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.030
0.030
+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
+0.087
+0.089
+0.090
+0.091
+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
+0.100
+0.100
+0.100
+0.110
+0.110
+0.110
+0.115
+0.115
+0.120
+0.120
+0.120
Notes:
1. The Zener Impedance is derived from the 1 KHZ AC voltage which results when an AC current having an RMS value equal to 10% of the Zener current
(I
ZT
or I
ZK
) is superimposed on I
ZT
or I
ZK
. Zener Impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate
unstable units.
2. Valid provided that leads at a distance of 10 mm from case are kept at ambient temperature.
3. Measured with device junction in thermal equilibrium.
488
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