UNISONIC TECHNOLOGIES CO., LTD SK34 Preliminary DIODE SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER + - DESCRIPTION The UTC SK34 is a Schottky Rectifier with high current capacity, ultra low thermal resistance, Low reverse leakage and low forward voltage. The UTC SK34 is suitable for surface mount applications. + - FEATURES SMB * High Current Capability * Low Forward Voltage * Low Reverse Leakage SMA ORDERING INFORMATION Ordering Number Lead Free Halogen Free SK34L-SMA-R SK34G-SMA-R SK34L-SMB-R SK34G-SMB-R Note: Pin Assignment: A: Anode, K: Cathode SK34L-SMA-R Package SMA SMB Pin Assignment 1 2 K A K A (1)Packing Type (1) R: Tape Reel (2)Package Type (2) SMA: SMA, SMB: SMB (3)Lead Free (3) Halogen Free, L: Lead Free www.unisonic.com.tw Copyright © 2012 Unisonic Technologies Co., Ltd Packing Tape Reel Tape Reel 1 of 2 QW-R601-044.b SK34 Preliminary DIODE ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Peak Repetitive Reverse Voltage VRRM 40 V RMS Voltage VRMS 28 V DC Blocking Voltage VDC 40 V Average Forward Rectified Current I(AV) 3.0 A Operating 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) Note: 8.0mm2 (0.13mm thick) land pads. SYMBOL θJA RATINGS 60 UNIT °C/W ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified) PARAMETER SYMBOL Peak Forward Surge Current 8.3ms Single Half Sine-Wave Superimposed On Rated Load IFSM (JEDEC Method) Instantaneous Forward Voltage at 3.0A (Note 1) VF DC Reverse Current at Rated DC TA=25°C IR Blocking Voltage (Note 1) TA=100°C Typical Total Capacitance (Note 2) CT Notes: 1. Pulse Test Pulse Width 300μS, Duty Cycle 2%. 2. Measured at 1.0MHz and applied reverse voltage of 4.0V. RATINGS UNIT 100 A 0.50 0.5 20 300 V mA mA pF 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 2 of 2 QW-R601-044.b