CYStech Electronics Corp.
Zener Diode Series
Spec. No. : C326N3
Issued Date : 2003.04.14
Revised Date :
Page No. : 1/12
ZD52XXBN3
SOT-23
Thermal Characteristics
Characteristics
Total Device Dissipation FR-5 Board
TA=25°C, Derate above 25°C
Total Device Dissipation
Alumina Substrate**TA=25°C, Derate above 25°C
Thermal Resistance Junction to Ambient
Junction and Storage Temperature
Symbol
PD
PD
RθJA
Tj, Tstg
Max
225
1.8
300
2.4
417
-55 to +150
Unit
mW
mW/°C
mW
mW/°C
°C/W
°C
*FR-5 - 1.0×0.75×0.062 in. **Alumina - 0.4×0.3×0.024 in. 99.5% alumina.
Electrical Characteristic
(V
F
=0.9V Max @I
F
=10mA for all types.)
Device
ZD5221B
ZD5222B
ZD5223B
ZD5225B
ZD5226B
ZD5227B
ZD5228B
ZD5229B
ZD5230B
ZD5231B
ZD5232B
ZD5233B
ZD5234B
ZD5235B
ZD5236B
ZD5237B
ZD5238B
ZD5239B
ZD5240B
ZD5241B
ZD5242B
ZD5243B
ZD5244B
ZD52XXBN3 series
Marking
Code
18A
18B
18C
18E
8A
8B
8C
8D
8E
8F
8G
8H
8J
8K
8L
8M
8N
8P
8Q
8R
8S
8T
8U
Test
Current
I
ZT
(mA)
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
Zener
Voltage
V
Z
(V)
2.4
±5%
2.5
±5%
2.7
±5%
3.0
±5%
3.3
±5%
3.6
±5%
3.9
±5%
4.3
±5%
4.7
±5%
5.1
±5%
5.6
±5%
6.0
±5%
6.2
±5%
6.8
±5%
7.5
±5%
8.2
±5%
8.7
±5%
9.1
±5%
10
±5%
11
±5%
12
±5%
13
±5%
14
±5%
Z
ZK
I
Z
=0.25mA
(Ω,Max)
1200
1250
1300
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
Z
ZT
I
Z
=I
ZT
(Ω,Max)
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
Max. Reverse
Current
I
R
(uA) @V
R
(V)
100
1.0
100
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
2.0
8.4
1.0
9.1
0.5
9.9
0.1
10
CYStek Product Specification
CYStech Electronics Corp.
Electrical Characteristic
(Cont.)
ZD5245B
ZD5246B
ZD5247B
ZD5248B
ZD5249B
ZD5250B
ZD5251B
ZD5252B
ZD5253B
ZD5254B
ZD5255B
ZD5256B
ZD5257B
8V
8W
8X
8Y
8Z
81A
81B
81C
81D
81E
81F
81G
81H
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
15
±5%
16
±5%
17
±5%
18
±5%
19
±5%
20
±5%
22
±5%
24
±5%
25
±5%
27
±5%
28
±5%
30
±5%
33
±5%
600
600
600
600
600
600
600
600
600
600
600
600
700
16
17
19
21
23
25
29
33
35
41
44
49
58
Spec. No. : C326N3
Issued Date : 2003.04.14
Revised Date :
Page No. : 2/12
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
11
12
13
14
14
15
17
18
19
21
21
23
25
Characteristic Curves
ZD5221B Forward Current vs Forward Voltage
300
100
ZD5221B Reverse Current vs Reverse Voltage
250
Forward Current (mA)
Reverse Current (mA)
80
200
60
150
40
100
50
20
0
0
200
400
600
Forward Voltage (mV)
800
100
0
0
500
1000
1500
2000
2500
Reverse Voltage (mV)
3000
3500
ZD5222B Forward Current vs Forward Voltage
300
100
ZD5222B Reverse Current vs Reverse Voltage
250
Forward Current (mA)
Reverse Current (mA)
80
200
60
150
40
100
50
20
0
0
200
400
600
Forward Voltage (mV)
800
1000
0
0
500
1000
1500
2000
2500
Reverse Voltage (mV)
3000
3500
ZD52XXBN3 series
CYStek Product Specification
CYStech Electronics Corp.
ZD5226B Forward Current vs Forward Voltage
350
300
80
Forward Current (mA)
250
200
150
100
20
50
0
0
200
400
600
800
Forward Voltage (mV)
1000
1200
0
0
1000
Reverse Current (mA)
100
Spec. No. : C326N3
Issued Date : 2003.04.14
Revised Date :
Page No. : 3/12
ZD5226B Reverse Current vs Reverse Voltage
60
40
2000
3000
4000
Reverse Voltage (mV)
5000
6000
ZD5228B Forward Current vs Forward Voltage
350
300
80
Forward Current (mA)
250
200
150
100
20
50
0
0
200
400
600
800
Forward Voltage (mV)
1000
1200
0
0
Reverse Current (mA)
100
ZD5228B Reverse Current vs Reverse Voltage
60
40
1000
2000
3000
Reverse Voltage (mV)
4000
5000
ZD5229B Forward Current vs Forward Voltage
300
100
ZD5229B Reverse Current vs Reverse Voltage
250
Forward Current (mA)
Reverse Current (mA)
80
200
60
150
40
100
50
20
0
0
200
400
600
Forward Voltage (mV)
800
1000
0
0
1000
2000
3000
Reverse Voltage (mV)
4000
5000
ZD52XXBN3 series
CYStek Product Specification
CYStech Electronics Corp.
ZD5230B Forward Current vs Forward Voltage
300
100
Spec. No. : C326N3
Issued Date : 2003.04.14
Revised Date :
Page No. : 4/12
ZD5230B Reverse Current vs Reverse Voltage
250
Forward Current (mA)
Reverse Current (mA)
80
200
60
150
40
100
20
50
0
0
200
400
600
Forward Voltage (mV)
800
1000
0
1000
2000
3000
Reverse Voltage (mV)
4000
5000
0
1000
ZD5231B Forward Current vs Forward Voltage
300
100
ZD5231B Reverse Current vs Reverse Voltage
250
Forward Current (mA)
Reverse Current (mA)
0
200
400
600
800
Forward Voltage (mV)
1000
1200
80
200
60
150
40
100
50
20
0
0
1000
2000
3000
4000
Reverse Voltage (mV)
5000
6000
ZD5232B Forward Current vs Forward Voltage
300
100
ZD5232B Reverse Current vs Reverse Voltage
250
Forward Current (mA)
Reverse Current (mA)
0
200
400
600
800
Forward Voltage (mV)
1000
1200
80
200
60
150
40
100
50
20
0
0
1000
2000
3000
4000
Reverse Voltage(mV)
Z
5000
6000
ZD52XXBN3 series
CYStek Product Specification
CYStech Electronics Corp.
ZD5233B Forward Current vs Forward Voltage
300
100
Spec. No. : C326N3
Issued Date : 2003.04.14
Revised Date :
Page No. : 5/12
ZD5233B Reverse Current vs Reverse Voltage
250
Forward Current (mA)
Reverse Current (mA)
80
200
60
150
40
100
50
20
0
0
200
400
600
800
Forward Voltage (mV)
1000
1200
0
2000
3000
4000
5000
Reverse Voltage (mV)
6000
7000
ZD5234B Forward Current vs Forward Voltage
300
100
ZD5234B Reverse Current vs Reverse Voltage
250
Forward Current (mA)
Reverse Current (mA)
80
200
60
150
40
100
50
20
0
0
200
400
600
800
Forward Voltage (mV)
1000
1200
0
2000
3000
4000
5000
Reverse Voltage (mV)
6000
7000
ZD5235B Forward Current vs Forward Voltage
300
100
ZD5235B Reverse Current vs Reverse Voltage
250
80
Reverse Current (mA)
Forward Current (mA)
200
60
150
40
100
50
20
0
0
200
400
600
800
Forward Voltage (mV)
1000
1200
0
2000
3000
4000
5000
Reverse Voltage (mV)
6000
7000
ZD52XXBN3 series
CYStek Product Specification