KODENSHI SDZ20V

SDZ20V
ZENER DIODE
Small Signal Zener Diode
General Description
These diodes small signal Zener diodes, fabricated in planar
technology, and packaged in small SOT-23 surface mounted
device (SMD) packages.
Features and Benefits





Silicon epitaxial planar diode
Low Zener impedance and low leakage current
Standard Zener voltage tolerance is 4.3%.
Full lead (Pb)-free device and RoHS compliant device
Available in “Green” device
SOT-23
Applications
 Voltage regulator
Ordering Information
Part Number
Marking Code
Package
Packaging
SDZ20V
Y7 □
SOT-23
Tape & Reel
Marking Information
Y7 □
Y7 = Specific Device Code
□ = Year & Week Code Marking
Pinning Information
Pin
Description
1
Anode
2
Not Connected
3
Cathode
Rev. date: 15-NOV-10
Simplified Outline
KSD-D5C062-000
Graphic Symbol
www.auk.co.kr
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SDZ20V
Absolute Maximum Ratings (Tamb=25℃, Unless otherwise specified)
Characteristic
Symbol
Ratings
Unit
Power dissipation 1)
PD
250
mW
Operating junction temperature
Tj
150
C
Tstg
-55 ~ 150
C
Symbol
Ratings
Unit
Rth(j-a)
500
C/W
Storage temperature range
1)
Device mounted on FR-4 board with recommended pad layout.
Thermal Characteristics (Tamb=25℃, Unless otherwise specified)
Characteristic
Thermal resistance, junction to ambient 1)
1)
Device mounted on FR-4 board with recommended pad layout.
Electrical Characteristics (Tamb=25℃, Unless otherwise specified)
Characteristic
Symbol
Test Condition
Min.
Typ.
Max.
Unit
Zener voltage
VZ
IZ=5mA
19.1
-
20.9
V
Dynamic impedance
ZZT
IZ=5mA
-
-
48

KNEE dynamic impedance
ZZK
IZ=0.25mA
-
-
600

VR=14V
-
-
0.1
A
Reverse leakage current
Rev. date: 15-NOV-10
IR
KSD-D5C062-000
www.auk.co.kr
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SDZ20V
Rating and Characteristic Curves
Fig. 1) Typical Zener Characteristics
Fig. 2) Zener voltage vs. Ambient Temperature
Fig. 3) Typical Reverse Characteristics
Fig. 4) Power Dissipation vs. Ambient Temperature
Rev. date: 15-NOV-10
KSD-D5C062-000
www.auk.co.kr
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SDZ20V
Package Outline Dimensions
※ Recommend PCB solder land (Unit : mm)
Rev. date: 15-NOV-10
KSD-D5C062-000
www.auk.co.kr
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SDZ20V
The AUK Corp. products are intended for the use as components in general electronic
equipment (Office and communication equipment, measuring equipment, home
appliance, etc.).
Please make sure that you consult with us before you use these AUK Corp. products
in equipments which require high quality and / or reliability, and in equipments which
could have major impact to the welfare of human life(atomic energy control, airplane,
spaceship, transportation, combustion control, all types of safety device, etc.). AUK
Corp. cannot accept liability to any damage which may occur in case these AUK Corp.
products were used in the mentioned equipments without prior consultation with AUK
Corp..
Specifications mentioned in this publication are subject to change without notice.
Rev. date: 15-NOV-10
KSD-D5C062-000
www.auk.co.kr
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