U5ZA48C
2004-07-07
1
TOSHIBA Zener Diode Silicon Diffused-Junction Type
U5ZA48C
Best Suited for Overvoltage Protection of Electronic
Systems
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
Maximum Ratings
(Ta
=
25C)
Characteristics Symbol
Rating
Unit
Allowable power dissipation (Note)
P
5
W
Non-repetitive peak reverse surge
current
(See Figure 1 for the exponents.)
I
RSM
50 A
Peak one cycle surge forward current
(single half sine-wave, t
= 10 ms)
I
FSM
700 A
Junction temperature
T
j
-40~150 C
Storage temperature
T
stg
-40~150 C
Note: Lead tip temperature T
L
= 25C
Unit: mm
JEDEC
JEITA
TOSHIBA 3-11J2A
Weight: 2.5 g (typ.)
I
RSM
I
RSM
2
0 10
ms
Figure 1
U5ZA48C
2004-07-07
2
Electrical Characteristics
(Ta
=
25C)
Zener Voltage
V
Z
[V]
(I
Z
= 10 mA)
Operating
Resistance
r
d
[
]
(I
Z
= 10 mA)
Temperature
Coefficient
T
[mV/C]
(I
Z
= 10 mA)
Forward
Voltage
V
F
[V]
(I
F
= 6 A)
Reverse
Current
I
R
[
A]
(V
R
= 38.4 V)
Type No.
Min
Typ.
Max
Max
Typ.
Max
Max
Max
U5ZA48C
43.2
48.0
52.8
65
39
62
1.2
10
Marking
Abbreviation Code
Part No.
48C U5ZA48C
Standard Soldering Pad
11.0
3.0
9.0
5.
5
11
.
0
Unit: mm
4 8 C
Lot No.
A line indicates
lead (Pb)-free package or
lead (Pb)-free finish.
Cathode mark
Part No. (or abbreviation code)
Lead (Pb)-free marking,
lot code, etc.
U5ZA48C
2004-07-07
3
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.
030619EAA
RESTRICTIONS ON PRODUCT USE
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