Overview
The KA431LZTA is a voltage Reference made by onsemi in a TO-92-3 package with 3 pins. -25℃~+85℃ 100mA 1mA 2.495V~36V 2.5V~36V 50ppm/℃ Adjustable Parallel Temperature compensation control ±0.5% TO-92-3 Voltage Reference ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:TL431IPK-TP, from EasyEDA) and its footprint (EasyEDA_Cloud:TO-92-3_L4.9-W3.7-P2.54-L, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C258156).
Symbol
Footprint
Parameters
10- Features
- Temperature compensation control
- Minimum Cathode Current for Regulation
- 1mA
- Operating Temperature
- -25℃~+85℃
- Output Current
- 100mA
- Output Type
- Adjustable
- Output Voltage
- 2.495V~36V
- Reference Type
- Parallel
- Temperature Coefficient
- 50ppm/℃
- Tolerance
- ±0.5%
- Voltage - Supply
- 2.5V~36V
Order codes
1- KA431LZTALCSC C258156
Pinout
3| Pin | Name | Type |
|---|---|---|
| 1 | REF | Unspecified |
| 2 | A | Unspecified |
| 3 | C | Unspecified |
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<iframe src="https://pcbkit.io/embed/parts/onsemi/KA431LZTA" title="KA431LZTA in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/onsemi/KA431LZTA.jpg" alt="KA431LZTA" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/KA431LZTA)Questions
Is there a KiCad symbol and footprint for the KA431LZTA?
Yes. The symbol is EasyEDA_Cloud:TL431IPK-TP and the footprint EasyEDA_Cloud:TO-92-3_L4.9-W3.7-P2.54-L, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the KA431LZTA?
TO-92-3, with 3 pins. Its footprint is drawn on this page.
Where is the KA431LZTA datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the KA431LZTA?
JLCPCB lists it as part C258156, with 0 in stock; the sellers' links on this page open their listings.
What can replace the KA431LZTA?
Parts like it in the library: the AZ431AZ-ATRE1 by Diodes Incorporated, the AS431AZTR-E1 by Diodes Incorporated, the AZ431LAZTR-G1 by Diodes Incorporated and the TL431BQLPR by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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