MMSZ4678ET1

MMSZ4678ET1 Series Zener Voltage Regulators 500 mW SOD−123 Surface Mount Three complete series of Zener diodes are offered in the convenient, surface mount plastic SOD−123 package. These devices provide a convenient alternative to the leadless 34−package style. Features http://onsemi.com 500 mW Rating on FR−4 or FR−5 Board Wide Zener Reverse Voltage Range − 1.8 V to 43 V Package Designed for Optimal Automated Board Assembly Small Package Size for High Density Applications ESD Rating of Class 3 (>16 kV) per Human Body Model Peak Power − 225 W (8 x 20 ms) Pb−Free Packages are Available 1 1 Cathode 2 Anode 2 SOD−123 CASE 425 STYLE 1 Mechanical Characteristics: CASE: Void-free, transfer-molded, thermosetting plastic case FINISH: Corrosion resistant finish, easily solderable MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES: 260°C for 10 Seconds POLARITY: Cathode indicated by polarity band FLAMMABILITY RATING: UL 94 V−0 MAXIMUM RATINGS Rating Peak Power Dissipation @ 20 ms (Note 1) @ TL ≤ 25°C Total Power Dissipation on FR−5 Board, (Note 2) @ TL = 75°C Derated above 75°C Thermal Resistance, (Note 3) Junction−to−Ambient Thermal Resistance, (Note 3) Junction−to−Lead Junction and Storage Temperature Range Symbol Ppk PD MARKING DIAGRAM www.DataSheet4U.com 1 xxx M G G Max 225 Unit W xxx = Device Code (Refer to page 2) M = Date Code G = Pb−Free Package (Note: Microdot may be in either location) 500 6.7 RqJA RqJL TJ, Tstg 340 150 −55 to +150 mW mW/°C °C/W °C...