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What is ZD5257A?

This electronic component, produced by the manufacturer "CYStech Electronics", performs the same function as "Zener Diode Series".


ZD5257A Datasheet PDF - CYStech Electronics

Part Number ZD5257A
Description Zener Diode Series
Manufacturers CYStech Electronics 
Logo CYStech Electronics Logo 


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CYStech Electronics Corp.
Zener Diode Series
ZD52XXAN3
Spec. No. : C326N3
Issued Date : 2003.04.14
Revised Date : 2013.08.05
Page No. : 1/14
SOT-23
Thermal Characteristics
Characteristics
Symbol
Max
Unit
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
PD
PD
RθJA
Tj, Tstg
225
1.8
300
2.4
417
-55 to +150
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 (VF=0.9V Max @IF=10mA for all types.)
Nom. Zener Voltage
Device
Marking
Code
VZ@IZT (V)
Nom. Min Max
ZD5221A 18A 2.4 2.35 2.45
ZD5223A 18C 2.7 2.65 2.75
ZD5225A 18E 3.0 2.94 3.06
ZD5226A 8A 3.3 3.23 3.37
ZD5227A 8B 3.6 3.53 3.67
ZD5228A 8C 3.9 3.82 3.98
ZD5229A 8D 4.3 4.21 4.39
ZD5230A 8E 4.7 4.61 4.79
ZD5231A 8F 5.1 5.00 5.20
ZD5232A 8G 5.6 5.49 5.71
ZD5233A 8H 6.0 5.88 6.12
ZD5234A 8J 6.2 6.08 6.32
ZD5235A 8K 6.8 6.66 6.94
ZD5236A 8L 7.5 7.35 7.65
ZD5237A 8M 8.2 8.04 8.36
ZD5238A 8N 8.7 8.53 8.87
ZD5239A 8P 9.1 8.92 9.28
ZD5240A KF5 10 9.80 10.20
ZD5241A 8R 11 10.78 11.22
ZD5242A 8S 12 11.76 12.24
ZD5243A 8T 13 12.74 13.26
ZD5245A 8V 15 14.70 15.30
ZD5246A 8W 16 15.68 16.32
Max. Zener Impedance
ZZT IZT ZZK IZK
(Ω) (mA) (Ω) (mA)
30 20 1200 0.25
30 20 1300 0.25
30 20 1600 0.25
28 20 1600 0.25
24 20 1700 0.25
23 20 1900 0.25
22 20 2000 0.25
19 20 1900 0.25
17 20 1600 0.25
11 20 1600 0.25
7.0 20 1600 0.25
7.0 20 1000 0.25
5.0 20 750 0.25
6.0 20 500 0.25
8.0 20 500 0.25
8.0 20 600 0.25
10 20 600 0.25
17 20 600 0.25
22 20 600 0.25
30 20 600 0.25
13 9.5 600 0.25
16 8.5 600 0.25
17 7.8 600 0.25
Max. Zener
Current
IZM@Ta
(mA)
188
167
150
138
126
115
106
97
89
81
76
73
67
61
55
55
50
45
41
38
35
30
28
Max. Reverse
Leakage Current
IR VR
(μA) (V)
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 11
0.1 12
ZD52XXAN3 series
CYStek Product Specification

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ZD5257A equivalent
CYStech Electronics Corp.
Spec. No. : C326N3
Issued Date : 2003.04.14
Revised Date : 2013.08.05
Page No. : 5/14
ZZDD55223333AB FFoorrwwaarrdd CCuurrrreenntt vvs Forward Voltage
300
250
200
150
100
50
0
0 200 400 600 800 1000 1200
Forward Voltage (mV)
ZZDD55223374AAFFoorwrwaardrdCCuurrerennt tvvssFFoorwrwaardrdVVooltlataggee
300
250
200
150
100
50
0
0 200 400 600 800 1000
Forward Voltage (mV)
ZDZ5D253253A5BFoFrowrawrdarCd uCrurerrnetnvtsvFsoFrowrawradrdVoVltoaltgaege
300
250
200
150
100
50
0
0 200 400 600 800 1000 1200
Forward Voltage (mV)
ZZDD5522333AB RReevverse Current vs Reverse Volltage
100
80
60
40
20
0
2000
3000
4000
5000
Reverse Voltage (mV)
6000
7000
ZZDD5522334AB RReevverse Current vs Reverse Volltage
100
80
60
40
20
0
2000
3000
4000
5000
Reverse Voltage (mV)
6000
7000
ZZDD55223355ABRReevveerrsseeCCuurrrreennttvvss RReevverse Voltage
100
80
60
40
20
0
2000
3000
4000
5000
Reverse Voltage (mV)
6000
7000
ZD52XXAN3 series
CYStek Product Specification


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ZD5257A electronic component.


Information Total 14 Pages
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Featured Datasheets

Part NumberDescriptionMFRS
ZD5257AThe function is Zener Diode Series. CYStech ElectronicsCYStech Electronics
ZD5257BThe function is Zener Diode Series. Cystech ElectonicsCystech Electonics

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