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What is IN4728A?

This electronic component, produced by the manufacturer "Fairchild Semiconductor", performs the same function as "(IN4728A - IN4764A) Zener Diode".


IN4728A Datasheet PDF - Fairchild Semiconductor

Part Number IN4728A
Description (IN4728A - IN4764A) Zener Diode
Manufacturers Fairchild Semiconductor 
Logo Fairchild Semiconductor Logo 


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1N4728A - 1N4764A
Zeners
January 2005
DO-41 Glass case
COLOR BAND DENOTES CATHODE
Absolute Maximum Ratings * Ta = 25°C unless otherwise noted
Symbol
Parameter
PD Power Dissipation
@ TL 50°C, Lead Length = 3/8”
Derate above 50°C
TJ, TSTG Operating and Storage Temperature Range
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Value
1.0
6.67
-65 to +200
Electrical Characteristics Ta = 25°C unless otherwise noted
Device
1N4728A
1N4729A
1N4730A
1N4731A
1N4732A
1N4733A
1N4734A
1N4735A
1N4736A
1N4737A
1N4738A
1N4739A
1N4740A
1N4741A
1N4742A
1N4743A
1N4744A
1N4745A
1N4746A
1N4747A
VZ (V) @ IZ (Note 1)
Min. Typ. Max.
3.315 3.3 3.465
3.42 3.6 3.78
3.705 3.9 4.095
4.085 4.3 4.515
4.465 4.7 4.935
4.845 5.1 5.355
5.32 5.6 5.88
5.89 6.2 6.51
6.46 6.8 7.14
7.125 7.5 7.875
7.79 8.2 8.61
8.645 9.1 9.555
9.5 10 10.5
10.45 11 11.55
11.4 12 12.6
12.35 13 13.65
14.25 15 15.75
15.2 16 16.8
17.1 18 18.9
19 20 21
Test Current
IZ (mA)
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
19
17
15.5
14
12.5
Max. Zener Impedance
ZZ @ IZ
()
10
10
9
9
8
ZZK @
IZK ()
400
400
400
400
500
IZK
(mA)
1
1
1
1
1
7 550 1
5 600 1
2 700 1
3.5 700 1
4 700 0.5
4.5 700 0.5
5 700 0.5
7 700 0.25
8 700 0.25
9 700 0.25
10 700 0.25
14 700 0.25
16 700 0.25
20 750 0.25
22 750 0.25
Units
W
mW/°C
°C
Leakage Current
IR
(µA)
VR
(V)
100 1
100 1
50 1
10 1
10 1
10 1
10 2
10 3
10 4
10 5
10 6
10 7
10 7.6
5 8.4
5 9.1
5 9.9
5 11.4
5 12.2
5 13.7
5 15.2
©2005 Fairchild Semiconductor Corporation
1N4728A - 1N4764A Rev. G2
1
www.fairchildsemi.com

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IN4728A equivalent
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to
be an exhaustive list of all such trademarks.
ACEx™
FAST®
IntelliMAX™
POP™
SPM™
ActiveArray™
FASTr™
ISOPLANAR™
Power247™
Stealth™
Bottomless™
FPS™
LittleFET™
PowerEdge™
SuperFET™
CoolFET™
CROSSVOLT
DOME™
FRFET™
GlobalOptoisolator™
GTO™
MICROCOUPLER™
MicroFET™
MicroPak™
PowerSaver™
PowerTrench®
QFET®
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
EcoSPARK™
E2CMOS™
HiSeC™
I2C™
MICROWIRE™
MSX™
QS™
QT Optoelectronics™
SyncFET™
TinyLogic®
EnSigna™
i-Lo
MSXPro™
Quiet Series™
TINYOPTO™
FACT™
ImpliedDisconnect™
OCX™
RapidConfigure™
TruTranslation™
FACT Quiet Series™
Across the board. Around the world.™
The Power Franchise®
Programmable Active Droop™
OCXPro™
OPTOLOGIC®
OPTOPLANAR™
PACMAN™
RapidConnect™
µSerDes™
SILENT SWITCHER®
SMART START™
UHC™
UltraFET®
UniFET™
VCX™
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY
ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT
CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR
SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or systems which,
(a) are intended for surgical implant into the body, or (b) support
or sustain life, or (c) whose failure to perform when properly used
in accordance with instructions for use provided in the labeling,
can be reasonably expected to result in significant injury to the
user.
2. A critical component is any component of a life support device
or system whose failure to perform can be reasonably expected
to cause the failure of the life support device or system, or to
affect its safety or effectiveness.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Advance Information
Product Status
Formative or In
Design
Preliminary
First Production
No Identification Needed
Obsolete
Full Production
Not In Production
Definition
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Rev. I15
1N4728A - 1N4764A Rev. G2
5
www.fairchildsemi.com


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