MMSZ4688 5% TOLERANCE General Description: Features: Half watt, General purpose, Medium Current Surface Mount Zener in the SOD-123 package. The SOD-123 package has the same footprint as the glass mini-melf (LL-34) package & provides a convenient alternative to the Leadless package. * Compact surface mount with same footprint as mini-melf * 500 mW rating on FR-4 or FR-5 board. * Class 3 ESD rating (>16 kV) per Human Body Model Ordering: * 7 inch reel (178 mm); 8 mm Tape; 3,000 units per reel. Absolute Maximum Ratings (note 1) TA = 25OC unless otherwise noted Parameter Value TSTG - Storage Temperature Units -55 to +150 O C O C TJ - Maximum Junction Temperature -55 to +150 PD - Total Power Dissipation at 25OC 500 mW Derate above 25OC 6.7 mW/OC ROJA - Thermal Resistance Junction to Ambient 340 O C/W ROJL - Thermal Resistance Junction to Lead 150 O C/W VZ - Maximum Voltage Change (Note 2) 990 mV 260 O Lead Solder Temperature (Max 10 second duration) Nominal Zener Voltage (VZ) at 50 uA 4.7 Note 1: These ratings are limiting values above which the serviceability of any semiconductor device may be impaired C V Note 2: Voltage change is equal to the difference between VZ at 100 uA and VZ at 10 uA. Top Mark: CT 1: Cathode 2: Anode Electrical Characteristics SYM 2 1 TA = 25OC unless otherwise noted CHARACTERISTICS MIN MAX UNITS TEST CONDITIONS 4.47 4.94 V IZT = 50.0 uA D.C VZ Zener Voltage IR Reverse Leakage 10 uA VR = 3.0 V VF Forward Voltage 900 mV IF = 10 mA Delta Zener Voltage 990 mV IF = 100 uA to 10 uA VZ (c) 1997 Fairchild Semiconductor Corporation TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACExTM BottomlessTM CoolFETTM CROSSVOLTTM DenseTrenchTM DOMETM EcoSPARKTM E2CMOSTM EnSignaTM FACTTM FACT Quiet SeriesTM FAST FASTrTM FRFETTM GlobalOptoisolatorTM GTOTM HiSeCTM ISOPLANARTM LittleFETTM MicroFETTM MICROWIRETM OPTOLOGICTM OPTOPLANARTM PACMANTM POPTM Power247TM PowerTrench QFETTM QSTM QT OptoelectronicsTM Quiet SeriesTM SILENT SWITCHER SMART STARTTM STAR*POWERTM StealthTM SuperSOTTM-3 SuperSOTTM-6 SuperSOTTM-8 SyncFETTM TinyLogicTM TruTranslationTM UHCTM UltraFET VCXTM STAR*POWER is used under license DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 2. A critical component is any component of a life 1. Life support devices or systems are devices or support device or system whose failure to perform can systems which, (a) are intended for surgical implant into be reasonably expected to cause the failure of the life the body, or (b) support or sustain life, or (c) whose support device or system, or to affect its safety or failure to perform when properly used in accordance with instructions for use provided in the labeling, can be effectiveness. reasonably expected to result in significant injury to the user. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Product Status Definition Advance Information Formative or In Design This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. Preliminary First Production This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. No Identification Needed Full Production This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only. Rev. H3