1N5221 thru 1N5281, DO-7
500 mW GLASS AXIAL-LEAD
ZENER DIODES
S C O T T S D A L E D I V I S I O N
Max Zener Impedance
Max Reverse Leakage Current
Max Zener
Voltage Temp.
Coeff.
Nominal
Zener
A & B Suffix Only
Note 2
Test
Current
IZT
A, B, C & D Suffix Only
Non-Suffix
JEDEC
Type No.
Note 1
Voltage
VZ @ IZT
Volts
(A & B Suffix
Only)
IR
@
VR
IR @ VR Used
For Suffix A
µA
ZZK @ IZK = 0.25
Z
ZT @ IZK
µA
Volts
mA
mA
α
VZ (% / oC)
Note 3
+/-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
+0.088
+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
+0.110
+0.110
+0.110
+0.110
+0.110
+0.110
+0.110
+0.110
+0.110
+0.110
+0.110
Ohms
Ohms
A
B,C & D
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
5.1
5.6
6.0
6.2
6.8
7.5
8.2
8.7
9.1
10
20
20
17
11
1600
1600
1600
1000
750
5.0
1.9
2.9
3.3
3.8
4.8
5.7
6.2
6.2
6.7
7.6
8.0
8.7
9.4
9.5
10.5
11.4
12.4
13.3
13.3
14.3
16.2
17.1
18.1
20
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
50
50
50
50
30
30
30
30
30
30
30
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
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
20
7.0
7.0
5.0
6.0
8.0
8.0
10
20
20
20
500
20
500
20
600
20
600
20
17
600
11
20
22
600
12
20
30
600
13
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
1.1
1.0
0.95
0.90
0.85
0.80
0.74
0.68
0.66
0.65
13
600
14
15
600
15
16
600
11
16
17
600
12
17
19
600
13
18
21
600
14
19
23
600
14
20
25
600
15
22
29
600
17
24
33
600
18
25
35
600
19
27
41
600
21
28
44
600
20
21
30
49
600
22
23
33
58
700
24
25
36
70
700
26
27
39
80
800
29
30
43
93
900
31
33
47
105
125
150
170
185
230
270
330
370
400
500
750
900
1100
1300
1500
1700
1900
2200
2400
2500
1000
1100
1300
1400
1400
1600
1700
2000
2200
2300
2600
3000
4000
4500
4500
5000
5500
5500
6000
6500
7000
34
36
51
37
39
56
41
43
60
44
46
62
45
47
68
49
52
75
53
56
82
59
62
87
65
68
91
66
69
100
110
120
130
140
150
160
170
180
190
200
72
76
80
84
86
91
94
99
101
108
116
123
130
137
144
106
114
122
129
137
144
152
*JEDEC registered data. JEDEC type numbers listed indicate a tolerance of +/-20% with guaranteed limits on only VZ, IR, and VF. Devices with
guaranteed limits on all six parameters are indicated by suffix A for +/-10% tolerance and suffix B for +/-5% tolerance. Also available with suffix C
or D which indicates 2% and 1% tolerance respectively.
NOTES:
1. The electrical characteristics are measured after allowing the device to stabilize for 20 seconds when mounted with a 3/8” (10 mm) minimum
lead length from the case.
2.
The zener impedance is derived from the 60 Hz ac voltage that results when an ac current having an rms value equal to 10% of the dc zener
current (IZT or IZK) is superimposed on IZT or IZK. Zener impedance is measured at two points to ensure a sharp knee on the breakdown curve,
thereby eliminating unstable units. Also see MicroNote 202 for variation in dynamic impedance with different operating currents.
3. Temperature coefficient (αVZ). Test conditions for temperature coefficient are as follows:
a.
I
ZT = 7.5 mA, T1 = 25oC, T2 = 125oC (1N5221A, B thru 1N5242A, B).
b. IZT = Rated IZT, T1 = 25oC, T2 = 125oC (1N5243A, B thru 1N5281A, B).
(Device to be temperature stabilized with current applied prior to reading breakdown voltage at the specified ambient temp.)
Copyright 2003
11-05-2003 REV A
Microsemi
Scottsdale Division
Page 2
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
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