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TL431 on a board, in 3D

TL431

DongChen

SOT-23 Voltage Reference ROHS

Extended
JLCPCBLCSCdongchen/TL431
Category
Voltage Reference
Package
SOT-23
Pins
3

Overview

The TL431 is a voltage Reference made by DongChen in a SOT-23 package with 3 pins. SOT-23 Voltage Reference ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TL431_C55127279, from EasyEDA) and its footprint (Package_TO_SOT_SMD:SOT-23, from KiCad's library), ready for a KiCad board. 13,619 are in stock at JLCPCB (part C55127279).

Symbol

231
EasyEDA_Cloud:TL431_C55127279From EasyEDA

Footprint

123
Package_TO_SOT_SMD:SOT-23From KiCad's library

Parameters

5
Minimum Cathode Current for Regulation
450uA
Operating Temperature
0℃~+70℃
Output Current
100mA
Output Type
Adjustable
Temperature Coefficient
50ppm/℃

Order codes

1

Pinout

3
The pins of the TL431
PinNameType
11Unspecified
22Unspecified
33Unspecified

Show this part on your page

A live frame, for any web page
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A picture
<img src="https://pcbkit.io/embed/parts/dongchen/TL431.jpg" alt="TL431" width="1200" height="900">
A picture that opens the part, for a README
[![TL431](https://pcbkit.io/embed/parts/dongchen/TL431.jpg?size=s)](https://pcbkit.io/parts/dongchen/TL431)

Questions

Is there a KiCad symbol and footprint for the TL431?

Yes. The symbol is EasyEDA_Cloud:TL431_C55127279 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 can I order the TL431?

JLCPCB lists it as part C55127279, with 13,619 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.

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