Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
SILICON PLANAR ZENER DIODES
1N5223B to 1N5279B
2.7V to 180V
DO- 35
Glass Axial Package
FEATURES
The zeners with glass passivated junction in the hermetically sealed glass package with double studs,
provides excellent stability, reliability and better power dissipation.
ABSOLUTE MAXIMUM RATINGS
DESCRIPTION
DC Power Dissipation
Power Derating above 75ºC
Operating and Storage Temperature
SYMBOL
P
D
T
stg
VALUE
500
4.0
- 65 to +200
UNIT
mW
mW/ºC
ºC
ELECTRICAL CHARACTERISTICS (T
a
=25ºC unless specified otherwise)
Forward Voltage at I
F
=200mA
V
F
<1.1 V
No Suffix +20% tolerance, Suffix 'A' +10% tolerance, and Suffix 'B' +5% tolerance
Device
(Note 1)
Nominal
Voltage
V
Z
at I
ZT
Test
Current
I
ZT
Max Zener
Impedance
A & B Suffix only
(Note 2)
Z
ZT
at
Z
ZK
at
I
ZT
I
ZK
=0.25mA
Ω
Ω
30
1300
30
1400
29
1600
28
1600
24
1700
23
1900
22
2000
19
1900
17
1600
11
1600
7
1600
7
1000
5
750
6
500
8
500
8
600
10
600
17
600
22
600
30
600
Max Reverse Leakage Current
I
R
at V
R
Max Zener
Voltage
Temp. Coeff.
θ
Vz(Note 3)
(A&B Suffix only)
α
V
Z
(% /ºC)
-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
1N5223B
1N5224B
1N5225B
1N5226B
1N5227B
1N5228B
1N5229B
1N5230B
1N5231B
1N5232B
1N5233B
1N5234B
1N5235B
1N5236B
1N5237B
1N5238B
1N5239B
1N5240B
1N5241B
1N5242B
V
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
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
µ
A
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
V
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
1N5223B_5279B Rev_2 080605E
Continental Device India Limited
Data Sheet
Page 1 of 5
SILICON PLANAR ZENER DIODES
1N5223B to 1N5279B
2.7V to 180V
DO- 35
Glass Axial Package
ELECTRICAL CHARACTERISTICS (T
a
=25ºC unless specified otherwise)
Forward Voltage at I
F
=200mA
V
F
<1.1 V
No Suffix +20% tolerance, Suffix 'A' +10% tolerance, and Suffix 'B' +5% tolerance
Device
(Note 1)
Nominal
Voltage
V
Z
at I
ZT
Test
Current
I
ZT
Max Zener
Impedance
A & B Suffix only
(Note 2)
Z
ZT
at
Z
ZK
at
I
ZK
=0.25mA
I
ZT
Ω
Ω
13
600
15
600
16
600
17
600
19
600
21
600
23
600
25
600
29
600
33
600
35
600
41
600
44
600
49
600
58
700
70
700
80
800
93
900
105
1000
125
1100
150
1300
170
1400
185
1400
230
1600
270
1700
330
2000
370
2200
Max Reverse Leakage Current
I
R
at V
R
Max Zener
Voltage
Temp. Coeff.
θ
Vz(Note 3)
(A&B Suffix only)
α
V
Z
(% /ºC)
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
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
1N5243B
1N5244B
1N5245B
1N5246B
1N5247B
1N5248B
1N5249B
1N5250B
1N5251B
1N5252B
1N5253B
1N5254B
1N5255B
1N5256B
1N5257B
1N5258B
1N5259B
1N5260B
1N5261B
1N5262B
1N5263B
1N5264B
1N5265B
1N5266B
1N5267B
1N5268B
1N5269B
V
13
14
15
16
17
18
19
20
22
24
25
27
28
30
33
36
39
43
47
51
56
60
62
68
75
82
87
mA
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
3.0
2.7
2.5
2.2
2.1
2.0
1.8
1.7
1.5
1.4
µ
A
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
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
V
9.9
10
11
12
13
14
14
15
17
18
19
21
21
23
25
27
30
33
36
39
43
46
47
52
56
62
68
1N5223B_5279B Rev_2 080605E
Continental Device India Limited
Data Sheet
Page 2 of 5
SILICON PLANAR ZENER DIODES
1N5223B to 1N5279B
2.7V to 180V
DO- 35
Glass Axial Package
ELECTRICAL CHARACTERISTICS (T
a
=25ºC unless specified otherwise)
Forward Voltage at I
F
=200mA
V
F
<1.1 V
No Suffix +20% tolerance, Suffix 'A' +10% tolerance, and Suffix 'B' +5% tolerance
Device
(Note 1)
Nominal
Voltage
V
Z
@ I
ZT
Test
Current
I
ZT
Max Zener
Impedance
A & B Suffix only
(Note 2)
Z
ZT
@
Z
ZK
@
I
ZT
I
ZK
=0.25mA
Ω
Ω
400
2300
500
2600
750
3000
900
4000
1100
4500
1300
4500
1500
5000
1700
5500
1900
5500
2200
6000
Max Reverse Leakage Current
I
R
at V
R
Max Zener
Voltage
Temp. Coeff.
θ
Vz(Note 3)
(A&B Suffix only)
α
V
Z
(% /ºC)
0.099
0.099
0.11
0.11
0.11
0.11
0.11
0.11
0.11
0.11
1N5270B
1N5271B
1N5272B
1N5273B
1N5274B
1N5275B
1N5276B
1N5277B
1N5278B
1N5279B
NOTE 1:
NOTE 2:
V
91
100
110
120
130
140
150
160
170
180
mA
1.4
1.3
1.1
1.0
0.95
0.90
0.85
0.80
0.74
0.68
µ
A
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
V
69
76
84
91
99
106
114
122
129
137
The electrical characteristics are measured after allowing the device to stabilize for
20 seconds when mounted with a 9.525 mm (3/8") minimum lead length from the case.
The zener impedance is derived from the 50 Hz AC voltage, which results when AC current
having an RMS value equal to 10% of the DC zener current (I
ZT
or I
ZK
) is superimposed
on I
ZT
or I
ZK
Zener impedance is measured at two points to insure a sharp knee on the
breakdown curve, thereby, eliminating unstable units.
Temperature coefficient (θV
z
).
θ
Test conditions for temperature coefficient are as follows.
a. I
ZT
=7.5mA, T
j
=25ºC
T2=125ºC(1N5223A, B thru 1N5242A, B )
b. I
ZT
=Rated I
ZT
, T
J
=25ºC
T2=125ºC(1N5243A, B thru 1N5279A, B )
Device to be temperature stabilized with current applied prior to reading brekdown voltage
at the specified ambient Rwmerature
NOTE 3:
1N5223B_5279B Rev_2 080605E
Continental Device India Limited
Data Sheet
Page 3 of 5
1N5223B to 1N5279B
2.7V to 180V
DO- 35
Glass Axial Package
DO-35 Glass Axial Package
DO-35, 52mm Taping Specification
52mm Taping Specification
on request also available in 26 mm Tape and Ammo Pack
Packing Detail
PACKAGE
STANDARD PACK
Details
DO-35 T&A
5K/ammo box
Net Weight/Qty
0.88kg/5K pcs
INNER CARTON BOX
Size
10"X3.5"X3.5"
Qty
5.0K
OUTER CARTON BOX
Size
12.7"X12.7"X20"
Qty
Qty
125.0K 25Kgs
Continental Device India Limited
Data Sheet
Page 4 of 5
Customer Notes
1N5223B to 1N5279B
2.7V to 180V
DO- 35
Glass Axial Package
Disclaimer
The product information and the selection guides facilitate selection of the CDIL's Semiconductor Device(s) best
suited for application in your product(s) as per your requirement. It is recommended that you completely review our Data
Sheet(s) so as to confirm that the Device(s) meet functionality parameters for your application. The information furnished in
the Data Sheet and on the CDIL Web Site/CD are believed to be accurate and reliable. CDIL however, does not assume
responsibility for inaccuracies or incomplete information. Furthermore, CDIL does not assume liability whatsoever, arising out
of the application or use of any CDIL product; neither does it convey any license under its patent rights nor rights of others.
These products are not designed for use in life saving/support appliances or systems. CDIL customers selling these products
(either as individual Semiconductor Devices or incorporated in their end products), in any life saving/support
appliances or systems or applications do so at their own risk and CDIL will not be responsible for any damages resulting from
such sale(s).
CDIL strives for continuous improvement and reserves the right to change the specifications of its products without prior
notice.
C-120 Naraina Industrial Area, New Delhi 110 028, India.
Telephone + 91-11-2579 6150, 4141 1112 Fax + 91-11-2579 5290, 4141 1119
email@cdil.com
www.cdilsemi.com
1N5223B_5279B Rev_2 080605E
Continental Device India Limited
CDIL is a registered Trademark of
Continental Device India Limited
Data Sheet
Page 5 of 5
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