November 2006
1N5221B - 1N5279B
Zeners
tm
Tolerance = 5%
Absolute Maximum Ratings* T =25°C unless otherwise noted
a
Symbol
Parameter
Value
Units
PD
Power Dissipation
Derate above 50°C
500
4.0
mW
mW°C
TSTG
TJ
Storage Temperature Range
-65 to +200
+200
°C
°C
°C
Maximum Junction Operating Temperature
Lead Temperature (1/16” from case for 10 seconds)
+230
DO-35 Glass case
COLOR BAND DENOTES CATHODE
* These ratings are limiting values above which the serviceability of the diode may be impaired.
** Non-recurrent square wave PW = 8.3ms, Ta = 50 degrees C.
Electrical Characteristics T =25°C unless otherwise noted
A
VZ (V) @ IZ (Note 1)
TC
(%/°C)
Device
ZZ (Ω) @ IZ (mA)
ZZK (Ω) @ IZK (mA)
I
(µA) @ V (V)
R
R
Min.
Typ.
Max.
1N5221B
1N5222B
1N5223B
1N5224B
1N5225B
2.28
2.375
2.565
2.66
2.4
2.5
2.7
2.8
3
2.52
2.625
2.835
2.94
30
30
30
30
29
20
20
20
20
20
1,200
1,250
1,300
1,400
1,600
0.25
0.25
0.25
0.25
0.25
100
100
75
75
50
1.0
1.0
1.0
1.0
1.0
-0.085
-0.085
-0.080
-0.080
-0.075
2.85
3.15
1N5226B
1N5227B
1N5228B
1N5229B
1N5230B
3.135
3.42
3.705
4.085
4.465
3.3
3.6
3.9
4.3
4.7
3.465
3.78
4.095
4.515
4.935
28
24
23
22
19
20
20
20
20
20
1,600
1,700
1,900
2,000
1,900
0.25
0.25
0.25
0.25
0.25
25
15
10
5.0
2.0
1.0
1.0
1.0
1.0
1.0
-0.07
-0.065
-0.06
+/-0.055
+/-0.03
1N5231B
1N5232B
1N5233B
1N5234B
1N5235B
4.845
5.32
5.7
5.89
6.46
5.1
5.6
6
6.2
6.8
5.355
5.88
6.3
6.51
7.14
17
11
7.0
7.0
5.0
20
20
20
20
20
1,600
1,600
1,600
1,000
750
0.25
0.25
0.25
0.25
0.25
5.0
5.0
5.0
5.0
3.0
2.0
3.0
3.5
4.0
5.0
+/-0.03
0.038
0.038
0.045
0.05
1N5236B
1N5237B
1N5238B
1N5239B
1N5240B
7.125
7.79
8.265
8.645
9.5
7.5
8.2
8.7
9.1
10
7.875
8.61
9.135
9.555
10.5
6.0
8.0
8.0
10
20
20
20
20
20
500
500
600
600
600
0.25
0.25
0.25
0.25
0.25
3.0
3.0
3.0
3.0
3.0
6.0
6.5
6.5
7.0
8.0
0.058
0.062
0.065
0.068
0.075
17
1N5241B
1N5242B
1N5243B
1N5244B
1N5245B
10.45
11.4
12.35
13.3
11
12
13
14
15
11.55
12.6
13.65
14.7
22
30
13
15
16
20
20
9.5
9.0
8.5
600
600
600
600
600
0.25
0.25
0.25
0.25
0.25
2.0
0.1
0.1
0.1
0.1
8.4
9.1
9.9
10
0.076
0.077
0.079
0.080
0.082
14.25
15.75
11
1N5246B
1N5247B
1N5248B
1N5249B
1N5250B
15.2
16.15
17.1
18.05
19
16
17
18
19
20
16.8
17.85
18.9
19.95
21
17
19
21
23
25
7.8
7.4
7.0
6.6
6.2
600
600
600
600
600
0.25
0.25
0.25
0.25
0.25
0.1
0.1
0.1
0.1
0.1
12
13
14
14
15
0.083
0.084
0.085
0.085
0.086
©2006 Fairchild Semiconductor Corporation
1N5221B - 1N5279B Rev. I
1
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