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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.
Unit: mm
* * * *
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.
JEDEC JEITA TOSHIBA
3-11J2A
Maximum Ratings (Ta = 25C)
Characteristics Allowable power dissipation (Note1) Symbol P IRSM Rating 5 62 Unit W A
Weight: 2.5 g (typ.)
IRSM
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) Junction temperature Storage temperature
IRSM 2
IFSM Tj Tstg
700 -40~150 -40~150
A C C 0 10 ms
Figure 1
Note1: Lead tip temperature TL = 25C
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U5ZA40C
Electrical Characteristics (Ta = 25C)
Zener Voltage VZ [V] (IZ = 10 mA) Min U5ZA40C 36.0 Typ. 40.0 Max 44.0 Operating Resistance rd [W] (IZ = 10 mA) Max 30 Temperature Coefficient aT [mV/C] (IZ = 10 mA) Typ. 31 Max 49 Forward Voltage VF [V] (IF = 6 A) Max 1.2 Reverse Current IR [mA] (VR = 32 V) Max 10
Type No.
Marking
Type code Lot No. Code 40C Type U5ZA40C
40C
Weekly code Year (last two number of the christian era)
Standard Soldering Pad
9.0 Unit: mm
11.0
3.0 11.0
5.5
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U5ZA40C
TL, Ta Max - P
160
Maximum allowable lead temperature TL, ambient temperature Ta (C)
140 120 Substrate 100 80 60 40 20 0 0 Ta-P Ta-L c
Size Solder round Size Thickness a b c
Glass-Epoxy Substrate 10 mm*10 mm 50 mm*50 mm 1.5 mm
TL
a b
1
2
3
4
5
6
Allowable power dissipation P
(W)
VZ - IZ
100 Ta = 25C Typical 10 100000
PRSM - tw
PRSM
Surge absorption capability PRSM (W)
10000 Ta = 25C tw
IZ
(A)
Rectangular Pulse 1000 Design Recommended region 100
Zener current
1
0.1
0.01 36
37
38
39
40
41
42 43
44
45
46
47 48
10 0.1
1
10
100
Zener voltage VZ
(V)
Pulse width
(ms)
Rth - t
100 100
IF - VF
(A)
Transient Thermal Resistance Rth (C)
10
Instantaneous forward current
Rth (j-a)
IF
Tj = 150C 10
Tj = 100C Tj = 25C
1 Rth (j-D)
1
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 1000
0.1 0.6
0.8
1
1.2
1.4
1.6
1.8
Time t (s)
Instantaneous forward voltage VF
(V)
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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.
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