Is Now Part of To learn more about ON Semiconductor, please visit our website at www.onsemi.com ON Semiconductor and the ON Semiconductor logo are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductors product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by ON Semiconductor. Typical parameters which may be provided in ON Semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including Typicals must be validated for each customer application by customers technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.MMSZ4686 MMSZ4686 General Description Features Half watt, General purpose, Medium Current Surface Compact surface mount with same footprint as mini-melf Mount Zener in the SOD-123 package. The SOD-123 500mW rating on FR-4 or FR-5 board. package has the same footprint as the glass mini-melf (LL- Class 3 ESD rating (>16kV) per Human Body Model 34) package & provides a convenient alternative to the Leadless package. Ordering 7 inch reel (178mm) 8mm Tape 3,000 units per reel. Absolute Maximum Ratings (note 1) T =25C unless otherwise noted A Symbol Parameter Value Units T Storage Temperature -55 ~ 150 C STG T Maximum Junction Temperature -55 ~ 150 C J P Total Power Dissipation at 25C 500 mW D Derate above 25C 6.7 mW/C R Thermal Resistance Junction to Ambient 340 C/W QJA R Thermal Resistance Junction to Lead 150 C/W QJL V Maximum Voltage Change (note 2) 970 mV Z Lead Solder Temperature (Max 10 second duration) 260 C Nominal Zener Voltage (V ) at 50A3.9V Z Note 1: These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. Note 2: Voltage change is equal to the difference between V at 100 A and V at 10 A. Z Z Top Mark: CN 1: Cathode 2: Anode Electrical Characteristics T =25C unless otherwise noted A Symbol Characteristics Test Conditions Min. Max. Units V Zener Voltage I = 50 A 3.71 4.10 V Z ZT D.C I Reverse Leakage V = 2.0V 5.0 A R R V Forward Voltage I = 10mA 900 mV F F V Delta Zener Voltage (Note 2) I = 100 A to 10 A 970 mV Z ZT 2003 Fairchild Semiconductor Corporation MMSZ4692, Rev. A 1 2