U5ZA40C TOSHIBA Zener Diode Silicon Diffused-Junction Type U5ZA40C 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. · Corresponds to taping packages. Unit: mm JEDEC ― JEITA ― TOSHIBA Weight: 2.5 g (typ.) Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit P 5 W IRSM 62 A IFSM 700 A Junction temperature Tj -40~150 °C Storage temperature Tstg -40~150 °C Allowable power dissipation (Note1) 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 Note1: Lead tip temperature TL = 25°C 1 2003-02-17 U5ZA40C Electrical Characteristics (Ta = 25°C) Operating Resistance rd [W] (IZ = 10 mA) Zener Voltage VZ [V] (IZ = 10 mA) Type No. U5ZA40C Temperature Coefficient aT [mV/°C] (IZ = 10 mA) Forward Voltage VF [V] (IF = 6 A) Reverse Current IR [mA] (VR = 32 V) Min Typ. Max Max Typ. Max Max Max 36.0 40.0 44.0 30 31 49 1.2 10 Marking Type code Code Type Lot No. 40C U5ZA40C 40C Weekly code Year (last two number of the christian era) Standard Soldering Pad Unit: mm 5.5 11.0 9.0 3.0 11.0 2 2003-02-17 U5ZA40C TL, Ta Max – P Glass-Epoxy Size 140 Substrate Solder round 120 Substrate 100 a 10 mm*10 mm Size b 50 mm*50 mm Thickness c 1.5 mm 80 TL 60 c Maximum allowable lead temperature TL, ambient temperature Ta (°C) 160 40 Ta-P a Ta-L b 20 0 0 1 2 3 4 5 Allowable power dissipation P 6 (W) VZ – IZ PRSM – tw 100000 Ta = 25°C PRSM 100 Surge absorption capability PRSM (W) 10 Zener current IZ (A) Typical 1 0.1 0.01 36 37 38 39 40 41 42 43 Zener voltage VZ 44 45 46 10000 Ta = 25°C Rectangular Pulse 1000 Design Recommended region 100 10 0.1 47 48 tw 1 (V) 10 Pulse width Rth – t 100 (ms) IF – VF 100 IF 10 Rth (j-a) Instantaneous forward current Transient Thermal Resistance Rth (°C) (A) 100 1 Rth (j-D) 0.1 0.01 0.001 Typical Rth (j-D): Transient Thermal Resistance between junction to anode electrode. 0.01 0.1 1 10 100 Tj = 150°C Time t (s) Tj = 25°C 1 0.1 0.6 1000 Tj = 100°C 10 0.8 1 1.2 1.4 Instantaneous forward voltage VF 3 1.8 1.6 (V) 2003-02-17 U5ZA40C 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. 4 2003-02-17