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UNISONIC TECHNOLOGIES CO., LTD SB345 Preliminary DIODE www.unisonic.com.tw 1 of 3 Copyright © 2015 Unisonic Technologies Co., Ltd QW-R202-017.b SCHOTTKY BARRIER RECTIFIER DESCRIPTION The UTC SB345 is a schottky barrier rectifier, it uses UTC’s advanced technology to provide customers with low forward voltage drop, high current capability and high efficiency, etc. FEATURES * Low forward voltage drop * High current capability * High surge capability * Low power loss * High efficiency SYMBOL DO-201AD ORDERING INFORMATION Ordering Number Pin Assignment Lead Free Halogen Free Package 1 2 Packing SB345L-Z21D-B SB345G-Z21D-B DO-201AD K A Tape Box Note: Pin Assignment: A: Anode K: Cathode MARKING SB345 Date Code L: Lead Free G: Halogen Free Cathode Band for uni-directional Only
UNISONIC TECHNOLOGIES CO., LTD 2 of 3 www.unisonic.com.tw Q W - R 2 0 2 - 0 1 7 . b ABSOLUTE MAXIMUM RATINGS Single phase, half wave, 60Hz, resistive or inductive load rating at 25°C, unless otherwise stated. PARAMETER SYMBOL RATINGS UNIT DC Blocking Voltage V DC 45 V Recurrent Peak Reverse Voltage V RRM 45 V RMS Voltage V RMS 31.5 V Average Forward Rectified Current 3/8" Lead Length I O 3.0 A Non-Repetitive Peak Forward Surge Current 8.3ms Single Half Sine-Wave Superimposed on Rated Load (JEDEC Method) I FSM 100 A Operating Junction Temperature T J -65~+150 °C Storage Temperature T STG -65~+150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. THERMAL DATA PARAMETER SYMBOL RATINGS UNIT Junction to Ambient (Note 2) θJA 50 °C/W ELECTRICAL CHARACTERISTICS Single phase, half wave, 60Hz, resistive or inductive load rating at 25°C, unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Forward Voltage Drop V F I F=3.0A 0.50 V TA=25°C 0.5 mADC Reverse Current at Rated DC Blocking Voltage IR TA=100°C 10.0 mA Junction Capacitance (Note 1) C J 220.0 pF Notes: 1. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
UNISONIC TECHNOLOGIES CO., LTD 3 of 3 www.unisonic.com.tw Q W - R 2 0 2 - 0 1 7 . b UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.