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CHANGYUAN ELECTRONICS
Zener Diodes Power Dissipation:500mW
1N5221 THRU 1N5281
VZ RANGE: 2.4 to 200 VOLTS
DO-204AH (DO - 35 Glass)
Max.0.154(3.9)
Min.1.083(27.5)
Min.1.083(27.5)
Dimensions in inches and
(millimeters)
FEATURES
. Silicon Planar Power Zener Diodes
. Standard Zener voltage tolerance is 5% .Add suffix "A" for 3%
tolerance.Other Zener voltages and tolerances are availoable upon
request.
. These diodes are also available in the MELF case with type
designation ZM5225 thru ZM5267
MECHANICAL DATA
. Case: JEDEC DO - 35 Glass Case
. Weight: approx.0.13 gram
Maximum Ratings & Thermal Characteristics
Ratings at 25 ambient temperature unless otherwise specified.
Parameter
Zener Current(see table "Characteristics")
Power Dissipation at Tamb-50
Thermal resistance Junction to Ambient Air
Junction Temperature
Storage Temperature Range
SYMBOL
Ptot
RQJA
Tj
Ts
Value
500 (1)
300 (1)
175
55 to 150
NOTE: 1.Valid provided that electrodes at a distance of 10mm form case are kept at ambient temperature.
UNITS
mW
/W
CHANGYUAN ELECTRONICS

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CHANGYUAN ELECTRONICS
1N5221 THRU 1N5281
Zener Diodes
Electrical Characteristics (Tj=25unless otherwise noted).Maximum VF=1.1V at IF=200mA
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
Nominal
Zener
voltage(3)
at
IZT VZ(V)
2.4
2.5
2.7
2.8
3
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6
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
Maximum Zener impedance(1)
Test current
ZZT
IZT(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
8.5
7.8
7.4
7
6.6
6.2
5.6
5.2
5
4.6
4.5
4.2
3.8
at IZT
()
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
Zzk
()
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
Typical
temperature
coefficient Α
vz(% /K)
0.085
0.085
0.080
0.080
0.075
0.070
0.065
0.060
0.055
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
Maximum
regulator current(2)
IZM(m A)
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
Maxumum reverse leakage
current
IR(u A)
100
100
75
75
50
25
15
10
5
5
5
5
5
5
3
3
3
3
3
3
2
1
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
Test voltage
VR(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
Notes:
(1)The Zener impedance is derived from the 1KHZ AC current having an RMS value equl to 10% of the Zener current(IZT or IZK )is superimposed on IZT or IZK. 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 electrodes at a distance of 10mm from case are kept at ambient temperature
(3)Measured under thermal equilibrium and DC test conditions
CHANGYUAN ELECTRONICS

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CHANGYUAN ELECTRONICS
1N5221 THRU 1N5281
Zener Diodes
Electrical Characteristics (Tj=25unless otherwise noted).Maximum VF=1.1V at IF=200mA
Type number
1N5258
1N5259
1N5260
1N5261
1N5262
1N5263
1N5264
1N5265
1N5266
1N5267
1N5268
1N5269
1N5270
1N5271
1N5272
1N5273
1N5274
1N5275
1N5276
1N5277
1N5278
1N5279
1N5280
1N5281
Nominal
Zener
voltage(3)
at
IZT VZ(V)
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 Zener impedance(1)
Test current
ZZT
IZT(mA)
3.4
3.2
3
2.7
2.5
2.2
2.1
2
1.8
1.7
1.5
1.4
1.4
1.3
1.2
1
0.95
0.9
0.85
0.8
0.74
0.68
0.66
0.65
at IZT
()
70
80
93
105
125
150
170
185
230
170
330
370
400
500
700
950
1100
1300
1500
1700
1900
2200
2400
2500
Zzk
()
700
800
900
1000
1100
1300
1400
1400
1600
1700
1700
2000
2200
2300
Typical
temperature
coefficient Α
vz(% /K)
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
Maximum
regulator current(2)
IZM(m A)
12.6
11.6
10.6
9.7
8.9
Maxumum reverse leakage
current
IR(u A)
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
Test voltage
VR(Volts)
27
30
33
36
39
43
46
47
52
56
62
68
69
75
83
90
98
105
113
120
127
135
142
150
Notes:
(1)The Zener impedance is derived from the 1KHZ AC current having an RMS value equl to 10% of the Zener current(IZT or IZK )is superimposed on IZT or IZK. Zener
impedance is measured at two points to insure a sharp knee on the breakdown curve and to elimi
(2)Valid provided that electrodes at a distance of 10mm from case are kept at ambient temperature
(3)Measured under thermal equilibrium and DC test conditions
CHANGYUAN ELECTRONICS

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CHANGYUAN ELECTRONIC S
1N5221 THRU 1N5281
Ratings and
Characteristic Curves (TA=25unless otherwise noted)
Admissible power dissipation
Versus ambient temperature
Valid provided that leads at a distance of 10 mm
temperature at a distance of 10 mm from case
mW
500
400
Ptot
300
200
100
00
100 200
Tamb
Pulse thermal resistance
verse pulse duration
valid provided that leads at a distance of 4 mm from case
temperature at a distance of 10 mm from case
/W
3
10
7
5
4
3
2
rthA
2
10
7
5
4
3
0.5
0.2
0.1
2 0.05
0.02
0.01
10
7
5
4
V=0
3
1
10-5 10-4
10-3
tp
v=tp/t
10-2 10-1
tp
Pl
1 10S
CHANGYUAN ELECTRONICS