UNISONIC TECHNOLOGIES CO., LTD SK34 DIODE SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER + - SMA (JEDEC DO-214AC) 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. SMB (JEDEC DO-214AA) + - SMC (JEDEC DO-214AB) ORDERING INFORMATION Ordering Number Lead Free Halogen Free SK34L-SMA-R SK34G-SMA-R SK34L-SMB-R SK34G-SMB-R SK34L-SMC-R SK34G-SMC-R Note: Pin Assignment: A: Anode, K: Cathode SK34L-SMA-R - FEATURES * High Current Capability * Low Forward Voltage * Low Reverse Leakage + Package SMA SMB SMC Pin Assignment 1 2 K A K A K A Packing Tape Reel Tape Reel Tape Reel (1)Packing Type (1) R: Tape Reel (2)Package Type (2) SMA: SMA, SMB: SMB, SMC: SMC (3)Green Package (3) L: Lead Free, G: Halogen Free and Lead Free MARKING Cathode Band for uni-directional Only UTC SK34 Date Code L: Lead Free G: Halogen Free www.unisonic.com.tw Copyright © 2015 Unisonic Technologies Co., Ltd 1 of 3 QW-R601-044.E SK34 DIODE ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified) PARAMETER Peak Repetitive Reverse Voltage RMS Voltage DC Blocking Voltage SYMBOL VRRM VRMS RATINGS 40 28 UNIT V V VDC 40 V Average Forward Rectified Current IO 3.0 Peak Forward Surge Current 8.3ms Single Half Sine-Wave Superimposed On Rated Load IFSM 100 (JEDEC Method) Operating Temperature TJ -65~+150 Storage Temperature TSTG -65~+150 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. A °C °C THERMAL DATA PARAMETER Junction to Ambient (Note) Note: 8.0mm2 (0.13mm thick) land pads. A SYMBOL θJA RATINGS 60 UNIT °C/W ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified) PARAMETER SYMBOL 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. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw RATINGS 0.50 0.5 20 300 UNIT V mA mA pF 2 of 3 QW-R601-044.E SK34 DIODE TYPICAL CHARACTERISTICS Instantaneous Forward Current, IF (A) Peak Repetitive Reverse Voltage Reverse Current, IR (µA) 700 600 500 400 300 200 100 0 0 10 20 30 40 50 60 70 Peak Repetitive Reverse Voltage, VRRM (V) Typical Forward Characteristics IF Pulse Width=300uS 25°C 1.0 0.1 1.0 0.4 0.2 0.6 0.8 Instantaneous Forward Voltage, VF (V) Typical Reverse Characteristics 1E-1 3.0 2.5 2.0 1.5 1.0 0.5 0 25 50 75 100 125 150 175 Case Temperature, TC (°C) Instantaneous Reverse Current, IR (A) Average Rectified Current, IO (A) 10 Forward Derating Curve 3.5 0.0 100 1E-2 1E-3 1E-4 1E-5 1E-6 VR=40V Pulse 1E-7 Width=300uS 25 50 100 125 150 75 Case Temperature, TC (°C) 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-R601-044.E