UNISONIC TECHNOLOGIES CO., LTD BAS21 DIODE GENERAL PURPOSE DIODES DESCRIPTION The UTC BAS21 is a general purpose diode using UTC’s planar technology to provide customers with high current capacity and high switching speed. FEATURES * High Current Capability * High Switching Speed SYMBOL ORDERING INFORMATION Ordering Number BAS21G-AE3-R BAS21G-CB2-R Note: Pin Assignment: A: Anode K: Cathode Package SOT-23 SOD-323 Pin Assignment 1 2 3 x A K A K - Packing Tape Reel Tape Reel x: NC MARKING SOT-23 www.unisonic.com.tw Copyright © 2015 Unisonic Technologies Co., Ltd SOD-323 1 of 3 QW-R601-040.D BAS21 DIODE ABSOLUTE MAXIMUM RATINGS PARAMETER Repetitive Peak Reverse Voltage Continuous Reverse Voltage Continuous Forward Current (Note 1) Repetitive Peak Forward Current Non-Repetitive Peak Forward Current (Square Wave, TJ=25 °C Prior to Surge) RATINGS UNIT 250 V 200 V 200 mA 625 mA t=1µs 9 A IFSM t=100µs 3 A t=10ms 1.7 A SOT-23 250 mW Power Dissipation (TA=25°C) (Note 1) PD SOD-323 410 mW Junction Temperature TJ 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. SYMBOL VRRM VR IF IFRM THERMAL CHARACTERISTICS PARAMETER SYMBOL SOT-23 θJA SOD-323 Note: 1. Device mounted on an FR4 printed-circuit board. Junction to Ambient (Note 1) RATINGS 330 200 UNIT K/W K/W ELECTRICAL CHARACTERISTICS (TJ=25°C, unless otherwise specified.) PARAMETER SYMBOL Forward Voltage VF Reverse Current IR Diode Capacitance CD Reverse Recovery Time TRR TEST CONDITIONS IF=100mA IF=200mA VR=200V VR=200V, TJ=150°C f=1MHz, VR=0 when switched from IF=30mA to IR=30mA, RL=100Ω, measured at IR=3mA UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN TYP MAX 1 1.25 100 100 5 UNIT V V nA μA pF 50 ns 2 of 3 QW-R601-040.D BAS21 DIODE TEST CIRCUITS AND WAVEFOMS D.U.T. RS=50Ω SAMPLING OSCILLOSCOPE IF Ri=50Ω V=VR+IF×RS Reverse recovery voltage test circuit tr tp t 10% + IF trr t (IR=3mA) 90% VR output signal input signal Reverse recovery voltage waveforms 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-R601-040.D