DC COMPONENTS CO., LTD.
R
1N5221B
THRU
1N5259B
RECTIFIER SPECIALISTS
TECHNICAL SPECIFICATIONS OF
GLASS SILICON ZENER DIODES
FEATURES
* Voltage Range:2.4V to 39V
* Double slug type construction
DO-35
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
0.52Ø
25.0MIN
4.2MAX
2.0MAX
25.0MIN
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in millimeters
o
SYMBOL
Zener Current see Table "Characterisitics"
o
Power Dissipation at Tamb=25 C
VALUE
500
(1)
175
-55 to + 175
UNITS
Ptot
Tj
Tstg
mW
o
o
Junction Temperature
Storage Temperature Range
C
C
K/mW
Thermal Resistance
Junction to Ambient Air
RthA
-
-
0.3
(1)
Typ.
Min.
Max.
Volts
Forward Voltage
at IF=100mA
V
F
-
-
1
Typ.
Min.
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
RATING AND CHARACTERISTIC CURVES (1N5221B THRU 1N5259B)
Nominal
Zener
Voltage
VZ@IZT
Volts
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
1N5249B
1N5250B
1N5251B
1N5252B
1N5253B
1N5254B
1N5255B
1N5256B
1N5257B
1N5258B
1N5259B
( )Izk=0.25mA
changes in the power dissipation
due to the ambient temperature.
Power dissipation
Pd(mw)
IZ
mA
50
Zener
Test
Current
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
9.0
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
Maximum Zener
Impedance
ZZT@IZT ZZT@IZK
( )
Ohms
Ohms.
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
70
80
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
700
800
Typical
Temperature
Coefficient
% /
o
C
-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
+0.085
+0.086
+0.087
+0.088
+0.089
+0.090
+0.091
+0.091
+0.092
+0.093
+0.094
Maximum Reverse Maximum
Regulator
Leakage Current
Current
IR
@VR
IZM
uA
Volts
mA
100
100
75
75
50
25
15
10
5.0
5.0
5.0
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
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
27
30
1N52-SERIES
25V
30V
2.4
2.5
2.7
2.8
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.0
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
36
39
191
182
168
162
151
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
21.2
19.1
18.2
16.8
16.2
15.1
13.8
12.6
11.5
Breakdown characteristics
5V
10V
15V
20V
40
500
400
300
200
100
10
20
30
Test Current
IZ 20mA
50
100 150 200 300
Ta(
o
C)
Ambient Temperature.
0
1N5224
1N5235
1N5234
1N5232
1N5231
1N5230
1N5229
1N5228
1N5239
1N5241
1N5242
1N5245
1N5250
VZ
1N5252
DC COMPONENTS CO., LTD.
R
161
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