SDZ18VWA

SDZ18VWA 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 SOT-23 Applications  Voltage regulator Ordering Information Part Number Marking Code Package Packaging SDZ18VWA W6 □ SOT-23 Tape & Reel Marking Information W6□ W 6 = Specific Device Code □ = Year & Week Code Marking Pinning Information Pin 1 2 3 Description Cathode (Diode 1) Cathode (Diode 2) Common Anode Simplified Outline Graphic Symbol Rev. date: 29-NOV-10 KSD-D5C012-001 www.auk.co.kr 1 of 5 SDZ18VWA Absolute Maximum Ratings (Tamb=25℃, Unless otherwise specified) Characteristic Power dissipation 1) Maximum operating junction temperature Storage temperature range Operating junction temperature range 1) Symbol PD TJ Tstg Topr Ratings 200 150 -55℃ to +150C -55℃ to +150C Unit mW C C C 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) Symbol Rth(j-a) Ratings 625 Unit C/W Device mounted on FR-4 board with recommended pad layout. Electrical Characteristics (Tamb=25℃, Unless otherwise specified) Characteristic Zener voltage Dynamic impedance KNEE dynamic impedance Reverse leakage current Symbol VZ ZZT ZZK IR Test Condition IZ=5mA IZ=5mA IZ=0.25mA VR=14V Min. 17.19 Typ. Max. 18.81 42 600 0.1 Unit V   A Rev. date: 29-NOV-10 KSD-D5C012-001 www.auk.co.kr 2 of 5 SDZ18VWA Rating and Characteristic Curves Fig. 1) Typical Zener Characteristics Fig. 2) Typical Reverse Characteristics Fig. 3) Typical Capacitance Characteristics Fig. 4) Power Dissipation vs. Ambient Temperature Rev. date: 29-NOV-10 KSD-D5C012-001 www.auk.co.kr 3 of 5 SDZ18VWA Package Outline Dimensions ※ Recommend PCB solder land (Unit : mm) Rev. date: 29-NOV-10 KSD-D5C012-001 www.auk.co.kr 4 of 5 SDZ18VWA 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: 29-NOV-10 KSD-D5C012-001 www.auk.co.kr 5 of 5