CD5221B thru CD5272B
Zener Diode Chip Series
Features
All Junctions Completely Protected with Silicon
Dioxide
0.5 W Capability with Proper Heat Sinking
Electrically Equivalent to 1N5221B - 1N5272B
Description
These 0.5 W zener diodes are electrically equivalent
to the 1N5221B - 1N5272B series diodes. They are
compatible with all wire bonding and die attach
techniques with the exception of solder reflow.
Die
Rev. V1
Electrical Specifications: TA = +25°C
Part #
Zener
Voltage
VZ @ IZT
(Note 1 & 3)
Nominal
Zener
Test
Current
lZT
Zener
Impedance
ZZT @ IZT / ZZK @ IZK = 250 µA
(Note 2)
Maximum
V mA Ohms
CD5221B
2.4
20
30
CD5222B
2.5
20
30
CD5223B
2.7
20
30
CD5224B
2.8
20
30
CD5225B
3.0
20
29
CD5226B
3.3
20
28
CD5227B
CD5228B
3.6
3.9
20
20
24
23
CD5229B
4.3
20
22
CD5230B
CD5231B
4.7
5.1
20
20
19
17
CD5232B
5.6
20
11
CD5233B
6.0
20
7.0
CD5234B
6.2
20
7.0
CD5235B
6.8
20
5.0
CD5236B
CD5237B
7.5
8.2
20
20
6.0
8.0
CD5238B
8.7
20
8.0
CD5239B
CD5240B
9.1
10
20
20
10
17
Ohms
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
600
1600
1600
1000
750
500
500
600
600
600
Reverse Current
IR @ VR
Maximum
μA VOLTS
100 1.0
100 1.0
75 1.0
75 1.0
50 1.0
25 1.0
15 1.0
10 1.0
5.0 1.0
5.0 2.0
5.0 2.0
5.0 3.0
5.0 3.5
5.0 4.0
3.0 5.0
3.0 6.0
3.0 6.5
3.0 6.5
3.0 7.0
3.0 8.0
(Continued next page)
1 * Restrictions on Hazardous Substances, European Union Directive 2011/65/EU.
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