U5ZA48C TOSHIBA Zener Diode Silicon Diffused-Junction Type U5ZA48C Best Suited for Overvoltage Protection of Electronic Systems Unit: mm Electronic Systems for Use in Automobiles Electronic Systems for Commercial Use Electronic Systems for Industrial Use For Communications, Controls, Measuring Instruments, etc. • High surge power withstanding capabilities that absorb load dump surge. • Excellent surge response for steep surge absorption. • Suitable for tape packaging JEDEC ― JEITA ― TOSHIBA Weight: 2.5 g (typ.) Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit P 5 W IRSM 50 A IFSM 700 A Junction temperature Tj −40~150 °C Storage temperature Tstg −40~150 °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) 3-11J2A IRSM IRSM 2 0 10 ms Figure 1 Note: Lead tip temperature TL = 25°C 1 2004-07-07 U5ZA48C Electrical Characteristics (Ta = 25°C) Zener Voltage VZ [V] (IZ = 10 mA) Type No. U5ZA48C Operating Resistance rd [Ω] (IZ = 10 mA) Temperature Coefficient αT [mV/°C] (IZ = 10 mA) Forward Voltage VF [V] (IF = 6 A) Reverse Current IR [µA] (VR = 38.4 V) Min Typ. Max Max Typ. Max Max Max 43.2 48.0 52.8 65 39 62 1.2 10 Marking Part No. (or abbreviation code) Lead (Pb)-free marking, lot code, etc. 48C A line indicates lead (Pb)-free package or lead (Pb)-free finish. Abbreviation Code Part No. 48C U5ZA48C Lot No. Cathode mark Standard Soldering Pad Unit: mm 5.5 11.0 9.0 3.0 11.0 2 2004-07-07 U5ZA48C RESTRICTIONS ON PRODUCT USE 030619EAA • The information contained herein is subject to change without notice. • The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of TOSHIBA or others. • 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. • TOSHIBA products should not be embedded to the downstream products which are prohibited to be produced and sold, under any law and regulations. 3 2004-07-07