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TL431

WPMtekExtended

-20℃~+85℃@(Ta) 100mA 1mA 2.5V~36V 37V 50ppm/℃ Adjustable Parallel SOT-23 Voltage Reference ROHS

Part id
wpmtek/TL431
Category
Voltage Reference
Package
SOT-23
Pins
3
In stock
1,546 at JLCPCB (C2688223)

Overview

The TL431 is a voltage Reference made by WPMtek in a SOT-23 package with 3 pins. -20℃~+85℃@(Ta) 100mA 1mA 2.5V~36V 37V 50ppm/℃ Adjustable Parallel SOT-23 Voltage Reference ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TL431QPK-TP, from EasyEDA) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 1,546 are in stock at JLCPCB (part C2688223).

Symbol

CATHODE3ANODE2REF1
EasyEDA_Cloud:TL431QPK-TPFrom EasyEDA

Footprint

123
Package_TO_SOT_SMD:SOT-23From KiCad's library

Pinout

3
The pins of the TL431
PinNameType
1REFUnspecified
2ANODEUnspecified
3CATHODEUnspecified

Parts like it

8

Questions

Is there a KiCad symbol and footprint for the TL431?

Yes. The symbol is EasyEDA_Cloud:TL431QPK-TP and the footprint Package_TO_SOT_SMD:SOT-23, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the TL431?

SOT-23, with 3 pins. Its footprint is drawn on this page.

Where is the TL431 datasheet?

WPMtek publishes it: the Datasheet link on this page opens it.

Where can I order the TL431?

JLCPCB lists it as part C2688223, with 1,546 in stock; the sellers' links on this page open their listings.

What can replace the TL431?

Parts like it in the library: the TL431 by Guangdong Hottech, the TL431 by FOSAN, the AZ431AN-ATRE1 by Diodes Incorporated and the AZ431AN-ATRG1 by Diodes Incorporated. Check their datasheets: a part that fits the footprint may still differ in its ratings.