unisonic technologies co., ltd uudz 12b preliminary diode www.unisonic.com.tw 1 of 2 copyright ? 2012 unisonic technologies co., ltd qw-r601-067.a zener diode ? description the utc uudz 12b is a surface mount silicon zener diode using utc?s advanced technology to provide customers with low power dissipation. ? features * low power dissipation: 200mw * zener voltage (min.=11.74v, max.=12.24v) * high reliability ? ordering information ordering number package pin assignment packing lead free halogen free 1 2 uudz 12bl-cb2-r uudz 12bg-cb2-r sod-323 a k tape reel note: pin assignment: a: anode, k: cathode (1) r: tape reel (2) cb2: sod-323 (3) halogen free, l: lead free uudz 12bl-cb2-r (1) packing type (2) package type (3) lead free ? marking
uudz 12b preliminary diode unisonic technologies co., ltd 2 of 2 www.unisonic.com.tw qw-r601-067.a ? absolute maximum ratings (t a =25 c) parameter symbol ratings unit power dissipation p d 200 mw junction temperature t j 150 c operating temperature t opr -55~150 c storage temperature t stg -55~150 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 oper ation is not implied. ? electrical characteristics (t a =25 c ) parameter symbol test conditions min typ max unit zener voltage v z i z =5ma 11.74 12.24 v dynamic inpedance z z i z =5ma 30 ? dynamik knee impedance z zk i z =0.5ma 80 ? reverse current ir v r =9v 0.1 a 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.
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