LESHAN RADIO COMPANY, LTD.
1N52
1N52 SERIES ZENER DIODES
1N52 SERIES
ZENER DIODES
1N5221B Through 1N5272B ELECTRICAL CHARACTERISTICS
(T
A
=25°C)unless otherwise noted.Based on dc measurements at thermal equillibrium;lead length=3/8”;thermal resistance of heat
sink=30°C/W V
Fmax
=1.1V @ I
F
=200mA for all types(T
A
= 25°C
V
Fmax
=1.1V@ I
F
=200mA
)
TYPE
Nominal
Zener
Voltage
Vz@L
ZT
Volts
Max Zener Impedance
Test
A and B Sufflx only
Current
I
ZT
Z
ZK
@I
ZK
Z
ZT
@I
ZT
mA
= 0.25mA
Ohms
Ohms
Max Reverse
Leakage Current
I
R
µA
V
R
Volts
B
Max Zener Voltege
Temperature Coff
(A amd Bsuffix only)
VZ(%/°C)
Package
Dimensions
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
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
20
Φ
0.5 ± 0.1
20
Φ
1.8 ± 0.2
20
3.0
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
600
2.0
1.0
0.5
0.1
0.1
DO-35
(mm)
600
0.1
600
0.1
NOTE: The V
Z
value shown is the center value with tolerance designations
as follows:
suffix B: V
Z
± 5%
suffix C: V
Z
± 2%
suffix D: V
Z
± 1%
Vz
B
C
D
Vz
Vz
Vz
29 ± 1
3.8 ± 0.2
20
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
29
33
35
41
44
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
100
100
75
75
50
25
15
10
5.0
5.0
5.0
5.0
5.0
5.0
3.0
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
-0.085
-0.085
-0.08
-0.08
-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
+0.082
+0.082
+0.083
+0.084
+0.085
+0.086
+0.086
+0.087
+0.088
+0.089
+0.090
+0.091
29 ± 1
± 5%
± 2%
± 1%
2B–1/2
LESHAN RADIO COMPANY, LTD.
1N52
1N52 SERIES ZENER DIODES
1N5221B Through 1N5272B ELECTRICAL CHARACTERISTICS
(T
A
=25°C)unless otherwise noted.Based on dc measurements at thermal equillibrium;lead length=3/8”;thermal resistance of heat
sink=30°C/W V
Fmax
=1.1V @ I
F
=200mA for all types(T
A
= 25°C
V
Fmax
=1.1V@ I
F
=200mA
)
TYPE
Nominal
Zener
Voltage
Vz@L
ZT
Volts
Max Zener Impedance
Test
A and B Sufflx only
Current
I
ZT
Z
ZK
@I
ZK
Z
ZT
@I
ZT
mA
= 0.25mA
Ohms
Ohms
Max Reverse
Leakage Current
I
R
µA
V
R
Volts
B
Max Zener Voltege
Temperature Coff
(A amd Bsuffix only)
VZ(%/°C)
Package
Dimensions
1N5256B
1N5257B
1N5258B
1N5259B
1N5260B
1N5261B
1N5262B
1N5263B
1N5264B
1N5265B
1N5266B
1N5267B
1N5268B
1N5269B
1N5270B
1N5271B
1N5272B
30
33
36
39
43
47
51
56
60
62
68
75
82
87
91
100
110
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
49
58
70
80
93
105
125
150
170
185
230
270
330
370
400
500
750
600
700
700
800
900
1000
1100
1300
1400
1400
1600
1700
2000
2200
2300
2600
3000
0.1
Φ
1.8 ± 0.2
0.1
DO-35
(mm)
0.1
NOTE: The V
Z
value shown is the center value with tolerance designations
as follows:
suffix B: V
Z
± 5%
suffix C: V
Z
± 2%
suffix D: V
Z
± 1%
Vz
B
C
D
Vz
Vz
Vz
29 ± 1
3.8 ± 0.2
29 ± 1
0.1
23
25
27
30
33
36
39
43
46
47
52
56
62
68
69
76
84
+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
Φ
0.5 ± 0.1
± 5%
± 2%
± 1%
2B–2/2
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