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TL431A on a board, in 3D

TL431A

Jiangsu Changjing Electronics Technology (CJ)

SOT-89-3 Bipolar (BJT) ROHS

Extended
JLCPCBLCSCcj/TL431A
Category
Bipolar (BJT)
Package
SOT-89-3
Pins
4

Overview

The TL431A is a bipolar made by Jiangsu Changjing Electronics Technology (CJ) in a SOT-89-3 package with 4 pins. SOT-89-3 Bipolar (BJT) ROHS.

PCBKit's library has its footprint (Package_TO_SOT_SMD:SOT-89-3, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2918447).

Symbol

The library has no symbol for this part yet.

Footprint

123
Package_TO_SOT_SMD:SOT-89-3From KiCad's library

Order codes

1

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/cj/TL431A" title="TL431A in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/cj/TL431A.jpg" alt="TL431A" width="1200" height="900">
A picture that opens the part, for a README
[![TL431A](https://pcbkit.io/embed/parts/cj/TL431A.jpg?size=s)](https://pcbkit.io/parts/cj/TL431A)

Questions

Is there a KiCad symbol and footprint for the TL431A?

Yes. the footprint Package_TO_SOT_SMD:SOT-89-3, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the TL431A?

SOT-89-3, with 4 pins. Its footprint is drawn on this page.

Where can I order the TL431A?

JLCPCB lists it as part C2918447, with 0 in stock; the sellers' links on this page open their listings.

What can replace the TL431A?

Parts like it in the library: the BCX53-16 by hongjiacheng, the B772 by Jiangsu Changjing Electronics Technology (CJ), the BCX56 by Jiangsu Changjing Electronics Technology (CJ) and the BCX53-16,115 by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8