1N4728A Series
1 Watt DO-41 Hermetically
Sealed Glass Zener Voltage
Regulator Diodes
This is a complete series of 1 Watt Zener diode with limits and
excellent operating characteristics that reflect the superior capabilities
of silicon–oxide passivated junctions. All this in an axial–lead
hermetically sealed glass package that offers protection in all common
environmental conditions.
http://onsemi.com
Specification Features:
•
•
•
•
•
•
Zener Voltage Range – 3.3 V to 91 V
ESD Rating of Class 3 (>16 KV) per Human Body Model
DO–41 (DO–204AL) Package
Double Slug Type Construction
Metallurgical Bonded Construction
Oxide Passivated Die
AXIAL LEAD
CASE 59
GLASS
Mechanical Characteristics:
CASE: Double slug type, hermetically sealed glass
FINISH: All external surfaces are corrosion resistant and leads are
L
1N
47
xxA
YWW
readily solderable
MAXIMUM LEAD TEMPERATURE FOR SOLDERING PURPOSES:
L
= Assembly Location
1N47xxA = Device Code
Y
= Year
WW
= Work Week
230°C, 1/16″ from the case for 10 seconds
POLARITY: Cathode indicated by polarity band
MOUNTING POSITION: Any
MAXIMUM RATINGS
Rating
Max. Steady State Power Dissipation
@ TL ≤ 50°C, Lead Length = 3/8″
Derated above 50°C
Operating and Storage
Temperature Range
Symbol
Value
Unit
PD
1.0
Watt
6.67
mW/°C
TJ, Tstg
– 65 to
+200
°C
Cathode
Anode
ORDERING INFORMATION (1.)(NO TAG)
Device
Package
Shipping
1N47xxA
Axial Lead
2000 Units/Box
1N47xxARL
Axial Lead
6000/Tape & Reel
1N47xxARL2
Axial Lead
6000/Tape & Reel
1N47xxATA
Axial Lead
4000/Ammo Pack
1N47xxATA2
Axial Lead
4000/Ammo Pack
NOTES:
1. The “2” suffix refers to 26 mm tape spacing.
Devices listed in bold, italic are ON Semiconductor
Preferred devices. Preferred devices are recommended
choices for future use and best overall value.
© Semiconductor Components Industries, LLC, 2000
November, 2000 – Rev. 1
215
Publication Order Number:
1N4728A/D
