U5ZA53C TOSHIBA Zener Diode Silicon Diffused-Junction Type U5ZA53C Best Suited for Overvoltage Protection of Electronic System: Electronic System for Use in Automobiles Electronic System for Commercial Use Electronic System for Industrial Use For Communications, Controls, Measuring Instruments, etc. · High surge power withstanding capabilities that absorb load dump surge. · Excellent surge responsibility for steep surge absorption. · Surface mount type is available for easy applications. Unit: mm JEDEC ― JEITA ― TOSHIBA Maximum Ratings (Ta = 25°C) 3-11J2A Weight: 2.5 g (typ.) Characteristics Symbol Rating Unit P 5 W IRSM 45 A IRSM IFSM 700 A IRSM 2 Junction temperature Tj -40 to 150 °C Storage temperature Tstg -40 to 150 °C Allowable power dissipation (Note) Non-repetitive peak reverse surge current (see figure 1 for the exponents.) Peak one cycle surge forward current (single half sine-wave, t = 10 ms) Note: Lead tip temperature 0 TL = 25°C 10 ms Figure 1 1 2002-08-14 U5ZA53C Electrical Characteristics (Ta = 25°C) Operating Resistance rd [W] (IZ = 10 mA) Zener Voltage VZ [V] (IZ = 10 mA) Type No. U5ZA53C Temperature Coefficient aT [mV/°C] (IZ = 10 mA) Forward Voltage VF [V] (IF = 6 A) Reverse Current IR [mA] (VR = 42.4 V) Min Typ. Max Max Typ. Max Max Max 47.7 53.0 58.3 65 45 70 1.2 10 Marking Type code Code Type Lot No. 53C U5ZA53C 53C Weekly code Year (last two number of the christian era) Cathode Mark Standard Soldering Pad Unit: mm 5.5 11.0 9.0 3.0 11.0 2 2002-08-14 U5ZA53C RESTRICTIONS ON PRODUCT USE 000707EAA · TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc.. · The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made at the customer’s own risk. · The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. · The information contained herein is subject to change without notice. 3 2002-08-14