AP431_11 View Datasheet(PDF) - Diodes Incorporated.
Part Name
Description
Manufacturer
AP431_11
Diodes Incorporated.
AP431_11 Datasheet PDF : 2 Pages
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Issue Number │001
May 2011
New Product
Announcement
ZXRE250/2
Very low cathode current 2.5V shunt regulator
with industrial temperature range and 36V
max input voltage
The ZXRE250/2 are three
terminal adjustable shunt
regulators offering excellent
temperature stability and
output current handling
capability up to 100mA.
These devices feature a very
low cathode current for
regulation, typically 40μA.
They provide a low power
enhancement to industry
standard ‘431 parts. Available
as standard A grade (1%
tolerance) and B grade (0.5%
tolerance), all with a -40oC to
125oC temperature range as
standard.
The ZXRE250 is available in 3-
pin and 5-pin versions of
SOT23, ZXRE252 offers a
reverse pinout in SOT23.
The ZXRE250/2 can be used as
a replacement for Zener
diodes in many applications
requiring an improvement in
Zener performance.
The Diodes advantage
§ Very low minimum cathode current for regulation; 40μA typical
§ Ensures minimum power dissipation in applications such as idle
power for ACDC external PSU’s for laptop PC’s
§ Wide temperature range: -40 to 125oC
Simplifies component choice and stocking
§ Maximum cathode voltage of 36V
Matches industry standard ‘431; allowing it to be used in a wide
range of applications
§ Available in SOT23 and SOT25 with green (no Br, Sb) molding
compound
Environmentally friendly small surface mount package variants
§ 0.5% and 1% variants in all package options
Meets requirements of modern equipment
Circuit functions
§ Isolated power supplies
§ Linear regulators
§ Variable zener
www.diodes.com
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