Licensed by ON Semiconductor,
trademark of Semiconductor
®
a
Components Industries, LLC for
Zener Technology and Products.
500 mW DO-35 Hermetically
Sealed Glass Zener Voltage
Regulators
Maximum Ratings (Note 1)
Rating
Symbol
Value
Unit
Maximum Steady State Power Dissipation
PD
500
mW
@ TL ≤75°C, Lead Length = 3/8”
4.0
mW/°C
°C
Derate Above 75°C
Operating and Storage
Temperature Range
TJ, Tstg
-65 to +200
AXIAL LEAD
DO35
1. Some part number series have lower JEDEC registered ratings.
Specification Features
• Zener Voltage Range = 1.8 V to 43 V
• ESD Rating of Class 3 (>16 KV) per Human Body Model
• DO-35 Package (DO-204AH)
• Double Slug Type Construction
• Metallurgical Bonding
Cathode
Anode
Mechanical Characteristics
Case
Finish
: Double slug type, hermetically sealed glass
: All external surfaces are corrosion resistant and leads are readily solderable.
MARKING DIAGRAM
Polarity : Cathode indicated by polarity band
Mounting: Any
L
1N
4x
Maximum Lead Temperature for Soldering Purposes
230°C, 1/16” from the case for 10 seconds
xx
YMM
L
= Logo
= Device Code
= Year
1N4xxx
Y
MM
= Month
Ordering Information
Device
Package
Shipping
1N4xxx
Axial Lead
Axial Lead
Axial Lead
Lead Form
Lead Form
Axial Lead
Axial Lead
Lead Form
Lead Form
3000 Units / Box
1N4xxxRL
5000 Units / Tape & Reel
1N4xxxRL2 *
1N4xxxRA1 !
1N4xxxRA2 i
1N4xxxTA
5000 Units / Tape & Reel
3000 Units / Radial Tape & Ammo
3000 Units / Radial Tape & Ammo
5000 Units / Tape & Ammo
5000 Units / Tape & Ammo
3000 Units / Radial Tape & Reel
3000 Units / Radial Tape & Reel
1N4xxxTA2 *
1N4xxxRR1 !
1N4xxxRR2 i
* The “2” suffix refers to 26 mm tape spacing.
! Polarity band up with cathode lead off first.
i Polarity band down with cathode lead off first.
Devices listed in bold italic are Tak Cheong
Preferred devices. Preferred devices are
recommended choices for future use and best
overall value.
March 2002 / A
http://www.takcheong.com
1