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DIODE. SDZ18VD Datasheet |
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SDZ18VD
ZENER DIODE
Small Signal Zener Diode
General Description
These diodes small signal Zener diodes, fabricated in planar
technology. Miniature surface mount package is excellent for
hand-held and portable applications where is space is limited.
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
Applications
Voltage regulator
Ordering Information
Part Number
Marking Code
Package
SDZ18VD
U1 □
SOD-323
SOD-323
Packaging
Tape & Reel
Marking Information
U1□
U1 = Specific Device Code
□ = Year & Week Code Marking
= Color band denote cathode
Pinning Information
Pin
1
2
Description
Cathode
Anode
Simplified Outline
Graphic Symbol
Rev. date: 15-NOV-10
KSD-D6C018-001
www.auk.co.kr
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SDZ18VD
Absolute Maximum Ratings (Tamb=25℃, Unless otherwise specified)
Characteristic
Symbol
Ratings
Power dissipation 1)
PD 200
Maximum operating junction temperature
TJ 150
Storage temperature range
Tstg -55℃ to +150C
Operating junction temperature range
1) Device mounted on FR-4 board with recommended pad layout.
Topr
-55℃ to +150C
Unit
mW
C
C
C
Thermal Characteristics (Tamb=25℃, Unless otherwise specified)
Characteristic
Symbol
Thermal resistance, junction to ambient 1)
1) Device mounted on FR-4 board with recommended pad layout.
Rth(j-a)
Ratings
625
Unit
C/W
Electrical Characteristics (Tamb=25℃, Unless otherwise specified)
Characteristic
Symbol
Test Condition
Zener voltage
Dynamic impedance
KNEE dynamic impedance
Reverse leakage current
VZ IZ=5mA
ZZT IZ=5mA
ZZK IZ=0.25mA
IR VR=14V
Min. Typ. Max. Unit
17.19 - 18.81 V
- - 42
- - 600
- - 0.1 A
Rev. date: 15-NOV-10
KSD-D6C018-001
www.auk.co.kr
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Rating and Characteristic Curves
Fig. 1) Typical Zener Characteristics
SDZ18VD
Fig. 2) Typical Reverse Characteristics
Fig. 3) Typical Capacitance Characteristics
Fig. 4) Power Dissipation vs. Ambient Temperature
Rev. date: 15-NOV-10
KSD-D6C018-001
www.auk.co.kr
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