UNISONIC TECHNOLOGIES CO., LTD SB345 Preliminary DIODE SCHOTTKY BARRIER RECTIFIER 1 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 ORDERING INFORMATION Ordering Number Lead Free Halogen Free SB345L-Z21D-B SB345G-Z21D-B Note: Pin Assignment: A: Anode K: Cathode 2 Package DO-201AD Pin Assignment 1 2 K A DO-201AD Packing Tape Box MARKING Cathode Band for uni-directional Only SB345 L: Lead Free G: Halogen Free Date Code www.unisonic.com.tw Copyright © 2015 Unisonic Technologies Co., Ltd 1 of 3 QW-R202-017.b SB345 Preliminary DIODE 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 VDC 45 V Recurrent Peak Reverse Voltage VRRM 45 V RMS Voltage VRMS 31.5 V Average Forward Rectified Current 3/8" Lead Length IO 3.0 A Non-Repetitive Peak Forward Surge Current 8.3ms Single Half Sine-Wave Superimposed on Rated Load IFSM 100 A (JEDEC Method) Operating Junction Temperature TJ -65~+150 °C Storage Temperature TSTG -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 Junction to Ambient (Note 2) SYMBOL θJA RATINGS 50 UNIT °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 VF IF=3.0A 0.50 V DC Reverse Current at Rated DC TA=25°C 0.5 mA IR Blocking Voltage TA=100°C 10.0 mA Junction Capacitance (Note 1) CJ 220.0 pF Notes: 1. Measured at 1.0MHz and applied reverse voltage of 4.0V DC. 2. Thermal Resistance from Junction to Ambient at 0.5" lead length, vertical P.C. Board Mounted. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 3 QW-R202-017.b SB345 Preliminary DIODE 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. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 3 QW-R202-017.b