®
Licensed by ON Semiconductor,
A trademark of semiconductor
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
Units
Maximum Steady State Power Dissipation
mW
PD
500
@TL≤75℃, Lead Length = 3/8”
4.0
mW/℃
Derate Above 75℃
Operating and Storage
Temperature Range
AXIAL LEAD
DO35
TJ, Tstg
-65 to +200
°C
Note 1: Some part number series have lower JEDEC registered ratings.
Specification Features:
Zener Voltage Range = 2.4V to 12V
ESD Rating of Clas 3 (>6 KV) per Human Body Model
DO-35 Package (DO-204AH)
Cathode
Anode
Double Slug Type Construction
Metallurgical Bonded Construction
Specification Features:
L
Case
: Double slug type, hermetically sealed glass
: All external surfaces are corrosion resistant and leads are readily solderable
43
7x
A
Finish
Polarity : Cathode indicated by polarity band
Mounting: Any
L
= Logo
= 1N437xA Device Code
Maximum Lead Temperature for Soldering Purposes
230℃, 1/16” from the case for 10 seconds
437xA
L
7x
xA
Ordering Information
Device
1NxxxxA
Package
Axial Lead
Axial Lead
Axial Lead
Lead Form
Lead Form
Axial Lead
Axial Lead
Axial Lead
Axial Lead
Quantity
L
7xxA
= Logo
= 1N7xxA Device Code
3000 Units / Box
1NxxxxARL
5000 Units / Tape & Reel
5000 Units / Tape & Reel
3000 Units / Radial Tape & Reel
3000 Units / Radial Tape & Reel
5000 Units / Tape & Ammo
5000 Units / Tape & Ammo
3000 Units / Radial Tape & Ammo
3000 Units / Radial Tape & Ammo
1NxxxxARL2*
1NxxxxARR1 !
1NxxxxARR2 i
1NxxxxATA
1NxxxxATA2*
1NxxxxARA1 !
1NxxxxARA2 i
* The “2” suffix refer to 26mm tape spacing.
!
i
“1”: Polarity band up with cathode lead off first.
“2”: 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.
December 2005 / B
http://takcheong.com
1