Zeners 1N5221B - 1N5279B
Zeners
1N5221B - 1N5279B
Absolute Maximum Ratings *
Symbol
P
D
T
STG
T
J
Parameter
Power Dissipation
Derate above 50°C
Storage Temperature Range
Maximum Junction Operating Temperature
Lead Temperature (1/16” from case for 10
seconds)
T
A
= 25°C unless otherwise noted
Tolerance = 5%
Units
mW
mW°C
°C
°C
°C
DO-35 Glass case
COLOR BAND DENOTES CATHODE
Value
500
4.0
-65 to +200
+200
+230
* 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
Device
1N5221B
1N5222B
1N5223B
1N5224B
1N5225B
1N5226B
1N5227B
1N5228B
1N5229B
1N5230B
1N5231B
1N5232B
1N5233B
1N5234B
1N5235B
1N5236B
1N5237B
1N5238B
1N5239B
1N5240B
1N5241B
1N5242B
1N5243B
1N5244B
1N5245B
1N5246B
1N5247B
1N5248B
1N5247B
1N5250B
V
Z
(V) @ I
Z
(Note 1)
Min.
2.28
2.375
2.565
2.66
2.85
3.135
3.42
3.705
4.085
4.465
4.845
5.32
5.7
5.89
6.46
7.125
7.79
8.265
8.645
9.5
10.45
11.4
12.35
13.3
14.25
15.2
16.15
17.1
18.05
19
Typ.
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
T
A
=25°C unless otherwise noted
Max.
2.52
2.625
2.835
2.94
3.15
3.465
3.78
4.095
4.515
4.935
5.355
5.88
6.3
6.51
7.14
7.875
8.61
9.135
9.555
10.5
11.55
12.6
13.65
14.7
15.75
16.8
17.85
18.9
19.95
21
Z
Z
(Ω) @ I
Z
(mA)
30
30
30
30
29
28
24
23
22
19
17
11
7.0
7.0
5.0
6.0
8.0
8.0
10
17
22
30
13
15
16
17
19
21
23
25
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
Z
ZK
(Ω) @ I
ZK
(mA)
1,200
1,250
1,300
1,400
1,600
1,600
1,700
1,900
2,000
1,900
1,600
1,600
1,600
1,000
750
500
500
600
600
600
600
600
600
600
600
600
600
600
600
600
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
I
R
(µA) @ V
R
(V)
T
C
(%/°C)
-0.085
-0.085
-0.080
-0.080
-0.075
-0.07
-0.065
-0.06
+/-0.055
+/-0.03
+/-0.03
0.038
0.038
0.045
0.05
0.058
0.062
0.065
0.068
0.075
0.076
0.077
0.079
0.080
0.082
0.083
0.084
0.085
0.085
0.086
100
100
75
75
50
25
15
10
5.0
2.0
5.0
5.0
5.0
5.0
3.0
3.0
3.0
3.0
3.0
3.0
2.0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
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
©2004 Fairchild Semiconductor Corporation
1N5221B - 1N5279B, Rev. H1
Zeners 1N5221B - 1N5279B
Electrical Characteristics
(Continued) T =25°C unless otherwise noted
A
Device
1N5251B
1N5252B
1N5253B
1N5254B
1N5255B
1N5256B
1N5257B
1N5258B
1N5259B
1N5260B
1N5261B
1N5262B
1N5263B
1N5264B
1N5265B
1N5266B
1N5267B
1N5268B
1N5269B
1N5270B
1N5271B
1N5272B
1N5273B
1N5274B
1N5275B
1N5276B
1N5277B
1N5278B
1N5279B
V
Z
(V) @ I
Z
(Note 1)
Min.
20.9
22.8
23.75
25.65
26.6
28.5
31.35
34.2
37.05
40.85
44.65
48.45
53.2
57
58.9
64.6
71.25
80.75
82.65
96.45
95
104.5
114
123.5
133
142.5
152
161.5
171
Typ.
22
24
25
27
28
30
33
36
39
43
47
51
56
60
62
68
75
85
87
91
100
110
120
130
140
150
160
170
180
Max.
23.1
25.2
26.25
28.35
29.4
31.5
34.65
37.8
40.95
45.15
49.35
53.55
58.8
63
65.1
71.4
78.75
89.25
91.35
95.55
105
115.5
126
136.5
147
157.5
168
178.5
189
Z
Z
(Ω) @ I
Z
(mA)
29
33
35
41
44
49
58
70
80
93
105
125
150
170
185
230
270
330
370
400
500
750
900
1100
1300
1500
1700
1900
2200
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
Z
ZK
(Ω) @ I
ZK
(mA)
600
600
600
600
600
600
700
700
800
900
1000
1100
1300
1400
1400
1600
1700
2000
2200
2300
2600
3000
4000
4500
4500
5000
5500
5500
6000
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
I
R
(µA) @ V
R
(V)
T
C
(%/°C)
0.087
0.088
0.088
0.089
0.090
0.09
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
0.099
0.11
0.11
0.11
0.11
0.11
0.11
0.11
0.11
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
17
18
19
21
21
23
25
27
30
33
36
39
43
46
47
52
56
62
68
69
76
84
91
99
106
114
122
129
137
V
F
Forward Voltage = 1.2V Max. @ I
F
= 200mA
Notes:
1. Zener Voltage (V
Z
)
The zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (T
L
) at 30°C ± 1°C and 3/8” lead length.
©2004 Fairchild Semiconductor Corporation
1N5221B - 1N5279B, Rev. H1
Zeners 1N5221B - 1N5279B
Top Mark Information
Device
1N5221B
1N5222B
1N5223B
1N5224B
1N5225B
1N5226B
1N5227B
1N5228B
1N5229B
1N5230B
1N5231B
1N5232B
1N5233B
1N5234B
1N5235B
1N5236B
1N5237B
1N5238B
1N5239B
1N5240B
1N5241B
1N5242B
1N5243B
1N5244B
1N5245B
1N5246B
1N5247B
1N5248B
1N5247B
1N5250B
1N5251B
1N5252B
1N5253B
1N5254B
1N5255B
1N5256B
1N5257B
1N5258B
1N5259B
1N5260B
1N5261B
1N5262B
1N5263B
1N5264B
1N5265B
1N5266B
1N5267B
1N5268B
1N5269B
1N5270B
1N5271B
1N5272B
1N5273B
1N5274B
1N5275B
1N5276B
1N5277B
1N5278B
1N5279B
Line 1
LOGO
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LOGO
LOGO
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LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
LOGO
Line 2
522
522
522
522
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522
522
523
523
523
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523
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524
524
524
524
524
524
524
524
524
524
525
525
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525
525
525
525
525
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526
526
526
526
526
526
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526
526
526
527
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527
Line 3
1B
2B
3B
4B
5B
6B
7B
8B
9B
0B
1B
2B
3B
4B
5B
6B
7B
8B
9B
0B
1B
2B
3B
4B
5B
6B
7B
8B
9B
0B
1B
2B
3B
4B
5B
6B
7B
8B
9B
0B
1B
2B
3B
4B
5B
6B
7B
8B
9B
0B
1B
2B
3B
4B
5B
6B
7B
8B
9B
Line 4
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
XY
©2004 Fairchild Semiconductor Corporation
1N5221B - 1N5279B, Rev. H1
Zeners 1N5221B - 1N5279B
Top Mark Information
(Continued)
F
1
st
line: F - Fairchild Logo
2
nd
line: Device Name - 3
rd
to 5
th
characters of the device name.
or 4
th
to 6
th
characters for BZXyy series
3
rd
line: Device Name - 6
th
to 7
th
characters of the device name.
or Voltage rating for BZXyy series
4
th
line: Device Code or - Two Digit - Six Weeks Date Code.
Date code plus or Two Digit - Six Weeks Date Code
Large die identification plus Large die identification, “L”
522
9B
XY
General Requirements:
1.0 Cathod Band
2.0 First Line: F - Fairchild Logo
3.0 Second Line: Device name - For 1Nxx series: 3
rd
to 5th characters of the device name.
For BZxx series: 4
th
to 6
th
characters of the device name.
4.0 Third Line: Device name - For 1Nxx series: 6
th
to 7
th
characters of the device name.
For BZXyy series: Voltage rating
5.0 Fourth Line: XY or XYL - Two Digit - Six Weeks Date Code
Where: X represents the last digit of the calendar year
Y represents the Six weeks numeric code
L represents the Large die identification
6.0 Devices shall be marked as required in the device specification (PID or FSC Test Spec).
7.0 Maximum no. of marking lines: 4
8.0 Maximum no. of digits per line: 3
9.0 FSC logo must be 20 % taller than the alphanumeric marking and should occupy the 2 characters of the specified line.
10.0 Marking Font: Arial (Except FSC Logo)
11.0 First character of each marking line must be aligned vertically
©2004 Fairchild Semiconductor Corporation
1N5221B - 1N5279B, Rev. H1
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Definition
This datasheet contains the design specifications for
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Rev. I12