UNISONIC TECHNOLOGIES CO., LTD UMMSZ52XXA Preliminary DIODE SURFACE MOUNT SILICON ZENER DIODE DESCRIPTION 1 The UTC UMMSZ52XXA is a surface mount silicon zener diode, it uses UTC’s advanced technology to provide customers with low reverse leakage current, etc. The UTC UMMSZ52XXA is suitable for automated assembly processes. 2 SOD-123 FEATURES * Low reverse leakage current SYMBOL 1 2 A K ORDERING INFORMATION Ordering Number UMMSZ52XXAG-CA2-R Note: Pin Assignment: A: Anode K: Cathode Package SOD-123 Pin Assignment 1 2 A K Packing Tape Reel MARKING INFORMATION PACKAGE VOLTAGE CODE SOD-123 5.1: 5.1V 6.2: 6 . 2 V 18: 18V 20: 20V www.unisonic.com.tw Copyright © 2014 Unisonic Technologies Co., Ltd MARKING 1 of 3 QW-R601-094.b UMMSZ52XXA Preliminary DIODE ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Zener Current IZM 115 mA Peak Forward Surge Current, 8.3ms Single Half IFSM 4.0 A Sine-Wave Superimposed on Rated Load (Note 2) Power Dissipation at 75°C (Note 1) PD 500 mW Operating Junction Temperature TJ -50~+150 °C Note: 1. 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. 2. Mounted on 5.0mm2 (.013mm thick) land areas. 3. Measured on 8.3ms, single half sine-wave or equivalent square wave, duty cycle=4 pulses per minute maximum. ELECTRICAL CHARACTERISTICS For UMMSZ5231A PARAMETER Nominal Zener Volage Zener Impedance Reverse Leakage Current For UMMSZ5234A PARAMETER Nominal Zener Volage Zener Impedance Reverse Leakage Current For UMMSZ5248A PARAMETER Nominal Zener Volage Zener Impedance Reverse Leakage Current For UMMSZ5250A PARAMETER Nominal Zener Volage Zener Impedance Reverse Leakage Current SYMBOL VZ ZZT ZZK IR TEST CONDITIONS IZT=20mA IZT=20mA IZK=0.25mA VR=2V MIN 5.0 TYP MAX UNIT 5.1 5.2 V 17 Ω 1600 Ω 5 µA SYMBOL VZ ZZT ZZK IR TEST CONDITIONS IZT=20mA IZT=20mA IZK=0.25mA VR=4V MIN 6.08 TYP MAX UNIT 6.2 6.32 V 7 Ω 1000 Ω 5 µA SYMBOL VZ ZZT ZZK IR TEST CONDITIONS IZT=7mA IZT=7mA IZK=0.25mA VR=14V MIN TYP MAX UNIT 17.64 18 18.36 V 21 Ω 600 Ω 0.1 µA SYMBOL VZ ZZT ZZK IR TEST CONDITIONS IZT=6.2mA IZT=6.2mA IZK=0.25mA VR=15V MIN 19.6 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw TYP MAX UNIT 20 20.4 V 25 Ω 600 Ω 0.1 µA 2 of 3 QW-R601-094.b UMMSZ52XXA 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-R601-094.b