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
=
25°C)
Characteristics
Allowable power dissipation
(Note1)
Symbol
P
I
RSM
Rating
5
62
Unit
W
A
Weight: 2.5 g (typ.)
I
RSM
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
I
RSM
2
I
FSM
T
j
T
stg
700
-40~150
-40~150
A
°C
°C
0
10 ms
Figure 1
Note1: Lead tip temperature T
L
=
25°C
1
2003-02-17
U5ZA40C
T
L
, 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)
V
Z
– I
Z
100
Ta
=
25°C
Typical
10
100000
P
RSM
– t
w
PRSM
Surge absorption capability
P
RSM
(W)
10000
Ta
=
25°C
tw
I
Z
(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 V
Z
(V)
Pulse width
(ms)
R
th
– t
100
100
I
F
– V
F
(A)
Transient Thermal Resistance
R
th
(°C)
10
Instantaneous forward current
Rth (j-a)
I
F
Tj
=
150°C
10
Tj
=
100°C
Tj
=
25°C
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 V
F
(V)
3
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
Industrial Control Electronics
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