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1N4728A-A

Description
3.3 V, 1 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-41
Categorysemiconductor    Discrete semiconductor   
File Size211KB,3 Pages
ManufacturerDiodes
Websitehttp://www.diodes.com/
Download Datasheet Parametric View All

1N4728A-A Overview

3.3 V, 1 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-41

1N4728A-A Parametric

Parameter NameAttribute value
Number of terminals2
Number of components1
Rated working voltage3.3 V
Processing package descriptionGlass PACKAGE-2
EU RoHS regulationsYes
stateACTIVE
packaging shaperound
Package SizeLONG FORM
Terminal formWire
terminal coatingtin
Terminal locationAXIAL
Packaging MaterialsGlass
CraftsmanshipZENER
structuresingle
Shell connectionisolation
Diode component materialssilicon
Maximum power consumption limit1 W
polarityunidirectional
Diode typeZener diode
Working test current76 mA
Maximum total reference voltage5 %
PART OBSOLETE – NO ALTERNATE
PART
1N4728A - 1N4761A
1.0W ZENER DIODE
Features
1.0 Watt Power Dissipation
3.3V - 75V Nominal Zener Voltage
Standard V
Z
Tolerance is 5%
Lead Free Finish, RoHS Compliant (Note 2)
OBSOLETE – PART DISCONTINUED
Mechanical Data
Case: DO-41
Case Material: Glass. UL Flammability
Classification Rating 94V-0
Terminals: Finish
Sn96.5Ag3.5. Solderable
per MIL-STD-202, Method 208
Polarity: Cathode Band
Marking: Type Number
Weight: 0.35 grams (approximate)
DO-41 Glass
Dim
A
B
C
D
Min
26.0



Max

4.10
0.86
2.60
All Dimensions in mm
Maximum Ratings
@T
A
= 25°C unless otherwise specified
Symbol
I
Z
P
d
R
JA
V
F
T
j
, T
STG
Value
Pd / V
Z
1.0
6.67
175
1.2
-65 to + 175
Unit
mA
W
mW/°C
°C/W
V
°C
Characteristic
Zener Current (see Table page 2)
Power Dissipation
Derate Above 50°C (Note 1)
Thermal Resistance - Junction to Ambient Air
Forward Voltage @ I
F
= 200 mA
Operating and Storage Temperature Range
Notes:
1. Valid provided that leads are kept at TL @ 50°C with lead length = 9.5mm (3/8”) from case.
2. EC Directive 2002/95/EC (RHS) revision 13.2.2003. Glass and high temperature solder exemptions applied where applicable,
see
EU Directive Annex Notes 5 and 7.
DS18007 Rev. 20 - 4
1 of 3
www.diodes.com
1N4728A - 1N4761A
© Diodes Incorporated
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