MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
1N5221B
THRU
DO-35
Dimensions in millimeters
RECTIFIER SPECIALISTS
R
DC COMPONENTS CO., LTD.
0.52
2.0MAX
25.0MIN
4.2MAX
25.0MIN
TECHNICAL SPECIFICATIONS OF
GLASS SILICON ZENER DIODES
FEATURES
* Voltage Range:2.4V to 39V
MECHANICAL DATA
* Case: Glass sealed case
* Lead: MIL-STD-202E, Method 208 guaranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.13 gram
* Double slug type construction
1N5259B
SYMBOL
VALUE
UNITS
Zener Current see Table "Characterisitics"
Power Dissipation at Tamb=25
o
C Ptot 500
(1)
mW
Junction Temperature Tj 175
o
C
Storage Temperature Range Tstg -55 to + 175
o
C
K/mW
Thermal Resistance RthA - Typ.
Junction to Ambient Air
-
Min.
0.3
(1)
Max.
Volts
Forward Voltage
V
F
-
Typ.
at IF=100mA
-
Min.
1
Max.
1)Valid Provided that leads are kept at ambient temperature at a distance of 8 mm from case.
NOTE: Suffix "B" indicates Zener Voltage Tolerance 5%
160
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RATING AND CHARACTERISTIC CURVES (1N5221B THRU 1N5259B)
Nominal
Zener
Voltage
VZ@IZT
Volts
Zener
Test
Current
IZT
mA
Maximum Zener
Impedance
ZZT@IZT
ZZT@IZK
( )
Ohms Ohms.
Maximum Reverse
Leakage Current
IR @VR
uA Volts
Typical
Temperature
Coefficient
% /
o
C
Maximum
Regulator
Current
IZM
mA
1N5221B
2.4
20
30
1200
-0.085
100
1.0
191
1N5222B
2.5
20
30
1250
-0.085
100
1.0
182
1N5223B
2.7
20
30
1300
-0.080
75
1.0
168
1N5224B
2.8
20
30
1400
-0.080
75
1.0
162
1N5225B
3.0
20
29
1600
+0.075
50
1.0
151
1N5226B
3.3
20
28
1600
-0.070
25
1.0
138
1N5227B
3.6
20
24
1700
-0.065
15
1.0
126
1N5228B
3.9
20
23
1900
-0.060
10
1.0
115
1N5229B
4.3
20
22
2000
0.055
5.0
1.0
106
1N5230B
4.7
20
19
1900
0.030
5.0
2.0
97
1N5231B
5.1
20
17
1600
0.030
5.0
2.0
89
1N5232B
5.6
20
11
1600
+0.038
5.0
3.0
81
1N5233B
6.0
20
7
1600
+0.038
5.0
3.5
76
1N5234B
6.2
20
7
1000
+0.045
5.0
4.0
73
1N5235B
6.8
20
5
750
+0.050
3.0
5.0
67
1N5236B
7.5
20
6
500
+0.058
3.0
6.0
61
1N5237B
8.2
20
8
500
+0.062
3.0
6.5
55
1N5238B
8.7
20
8
600
+0.065
3.0
6.5
52
1N5239B
9.1
20
10
600
+0.068
3.0
7.0
50
1N5240B
10
20
17
600
+0.075
3.0
8.0
45
1N5241B
11
20
22
600
+0.076
2.0
8.4
41
1N5242B
12
20
30
600
+0.077
1.0
9.1
38
1N5243B
13
9.5
13
600
+0.079
0.5
9.9
35
1N5244B
14
9.0
15
600
+0.082
0.1
10
32
1N5245B
15
8.5
16
600
+0.082
0.1
11
30
1N5246B
16
7.8
17
600
+0.083
0.1
12
28
1N5247B
17
7.4
19
600
+0.084
0.1
13
27
1N5248B
18
7.0
21
600
+0.085
0.1
14
25
1N5249B
19
6.6
23
600
+0.085
0.1
14
24
1N5250B
20
6.2
25
600
+0.086
0.1
15
23
1N5251B
22
5.6
29
600
+0.087
0.1
17
21.2
1N5252B
24
5.2
33
600
+0.088
0.1
18
19.1
1N5253B
25
5.0
35
600
+0.089
0.1
19
18.2
1N5254B
27
4.6
41
600
+0.090
0.1
21
16.8
1N5255B
28
4.5
44
600
+0.091
0.1
21
16.2
1N5256B
30
4.2
49
600
+0.091
0.1
23
15.1
1N5257B
33
3.8
58
700
+0.092
0.1
25
13.8
1N5258B
36
3.4
70
700
+0.093
0.1
27
12.6
1N5259B
39
3.2
80
800
+0.094
0.1
30
11.5
Breakdown characteristics
1N52-SERIES
mA
50
40
30
20
10
0
5V 10V 15V 20V 25V 30V
IZ
VZ
1N5252
1N5250
1N5245
1N5242
1N5241
1N5239
1N5235
1N5234
1N5232
1N5231
1N5230
1N5229
1N5228
1N5224
Test Current
IZ 20mA
changes in the power dissipation
due to the ambient temperature.
500
400
300
200
100
Pd(mw)
Ta(
o
C)
50 100 150 200 300
Ambient Temperature.
Power dissipation
( )Izk=0.25mA
161
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DC COMPONENTS CO., LTD.
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