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LS34AS Dataheets PDF



Part Number LS34AS
Manufacturers GOOD-ARK
Logo GOOD-ARK
Description Surface Mount Schottky Rectifier
Datasheet LS34AS DatasheetLS34AS Datasheet (PDF)

LS34AS thru LS345AS Surface Mount Schottky Rectifier Reverse Voltage 40~45V Forward Current 3A Features • Schottky barrier diodes • Low forward voltage drop • Solder dip 260 °C, 10 s • Low profile, typical thickness 1.0mm • Moisture sensitivity: level 1, per J-STD-020 eSGB (SMAF) Typical Applications For use in low voltage,high freqency inverters,free wheeling, and polarity protection application Maximum Ratings (TA = 25 °C unless otherwise noted) Parameter Symbol Maximum repetitive peak.

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LS34AS thru LS345AS Surface Mount Schottky Rectifier Reverse Voltage 40~45V Forward Current 3A Features • Schottky barrier diodes • Low forward voltage drop • Solder dip 260 °C, 10 s • Low profile, typical thickness 1.0mm • Moisture sensitivity: level 1, per J-STD-020 eSGB (SMAF) Typical Applications For use in low voltage,high freqency inverters,free wheeling, and polarity protection application Maximum Ratings (TA = 25 °C unless otherwise noted) Parameter Symbol Maximum repetitive peak reverse voltage VRRM Maximum RMS voltage VRMS Maximum DC blocking voltage VDC Maximum average forward rectified current at TL (See Fig.1) IF(AV) Peak forward surge current 8.3 ms single half sine-wave superimposed on rated load IFSM Operating junction and storage temperature range TJ, TSTG LS34AS 40 28 40 LS345AS 45 31.5 45 3.0 60 - 55 to + 150 Electrical Characteristics (TA = 25 °C unless otherwise noted) Parameter Test Conditions Symbol LS34AS LS345AS Maximum Instantaneous forward voltage IF=3A, TA=25℃ VF 0.45 Maximum DC reverse current at rated DC blocking voltage TA=25℃ IR 1 Typical junction capacitance 4.0 V, 1 MHz CJ 180 Typical thermal resistance1) juntion to case juntion to lead RθJC RθJL 50 35 Note1:Thermal resistance from junction to case and lead,mounted on PCB with 8.0×8.0mm copper pads Unit V V V A A °C Unit Volts mA pF ℃/W www.goodark.com 1/4 2015.01-Rev.A LS34AS thru LS345AS Surface Mount Schottky Rectifier Reverse Voltage 40~45V Forward Current 3A Ratings and Characteristics Curves (TA = 25℃ unless otherwise noted) Figure 1.Forward Current Derating Curve Figure 2.Maximum Non‐Repetitive Peak  Forward Surge Current Figure 3. Typical Reverse Characteristics  Figure 4. Typical Junction Capacitance Figure 5. Typical Instantaneous Forward Characteristics  www.goodark.com 2/4 2015.01-Rev.A LS34AS thru LS345AS Surface Mount Schottky Rectifier Reverse Voltage 40~45V Forward Current 3A Package Outline Dimensions in inches (millimeters) DIM Unit: mm Unit: inch MIN MAX MIN MAX A 0.92 1.08 0.036 0.043 A1 0 0.1 0.000 0.004 B 1.25 1.45 0.049 0.057 C 0.1 0.25 0.004 0.010 D 2.6 2.8 0.102 0.110 E 4.1 4.3 0.161 0.169 L 0.7 1.1 0.028 0.043 HE 4.8 5.2 0.189 0.205 Soldering  footprint Packing Information Packing quantities: 10,000 pcs/Reel,12mm Tape, 13" Reel Tape & Reel Specification www.goodark.com 3/4 2015.01-Rev.A LS34AS thru LS345AS Surface Mount Schottky Rectifier Reverse Voltage 40~45V Forward Current 3A Disclaimers These materials are intended as a reference to assist our customers in the selection of the Suzhou Good-Ark product best suited to the customer ’ s application; they do not convey any license under any intellectual property rights, or any other rights, belonging to Suzhou Good-Ark Electronics Co., Ltd.or a third party. Suzhou Good-Ark Electronics Co., Ltd. assumes no responsibility for any damage, or infringement of any third-party ’ s rights, originating in the use of any product data, diagrams, charts, programs, algorithms, or circuit application examples contained in these materials. All information contained in these materials, including product data, diagrams, charts, programs and algorithms represents information on products at the time of publication of these materials, and are subject to change by Suzhou Good-Ark Electronics Co., Ltd. without notice due to product improvements or other reasons. It is therefore recommended that customers contact Suzhou Good-Ark Electronics Co., Ltd. or an authorized Suzhou Good-Ark Electronics Co., Ltd. for the latest product information before purchasing a product listed herein. The information described here may contain technical inaccuracies or typographical errors. Suzhou Good-Ark Electronics Co., Ltd. assumes no responsibility for any damage, liability, or other loss rising from these inaccuracies or errors. Please also pay attention to information published by Suzhou Good-Ark Electronics Co., Ltd. by various means, including our website home page. (http://www.goodark.com) When using any or all of the information contained in these materials, including product data, diagrams, charts, programs, and algorithms, Please be sure to evaluate all information as a total system before making a final decision on the applicability of the information and products. Suzhou Good-Ark Electronics Co., Ltd. assumes no responsibility for any damage, liability or other loss resulting from the information contained herein. The prior written approval of Suzhou Good-Ark Electronics Co., Ltd. is necessary to reprint or reproduce in whole or in part these materials. Please contact Suzhou Good-Ark Electronics Co., Ltd. or an authorized distributor for further details on these materials or the products contained herein. www.goodark.com 4/4 2015.01-Rev.A .


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