FOSAN · Voltage Reference

TL431

FOSAN Voltage Reference · SOT-23

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The TL431 is a Voltage Reference from FOSAN, supplied in a SOT-23 package. It is listed in our Supervisors & Voltage References catalog (Power Management).

Key specifications of the TL431: output current 150mA, output voltage 2.5V~36V, minimum cathode current for regulation 250uA, operating temperature -20°C~+70°C, output type Adjustable and quiescent current 1uA.

PartnerSemi sources the TL431 for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.

Specifications

Manufacturer part numberTL431
ManufacturerFOSAN
Product typeVoltage Reference
CategorySupervisors & Voltage References
Package / caseSOT-23
Minimum Cathode Current for Regulation250uA
Operating Temperature-20°C~+70°C
Output Current150mA
Output TypeAdjustable
Output Voltage2.5V~36V
Quiescent Current1uA
Reference TypeParallel
Tolerance±0.5%
Voltage - Supply2.5V~36V

Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.

More FOSAN Supervisors & Voltage References

Part numberTypePackageKey specs
TL431-1% Voltage Reference SOT-23 100mA2.495V~36V
TL431M-0.5%-6AF Voltage Reference SOT-23 100mA2.495V~36V

Similar part numbers from other manufacturers

Similar numbering only — not a confirmed equivalent. Ask us to check compatibility.

Part numberManufacturerTypePackageKey specs
TL431 AnBon Voltage Reference SOT-23 150mA2.5V~36V
TL431 DOWO Voltage Reference SOT-23 150mA2.5V~36V
TL431 GR Voltage Reference SOT-23 100mA2.44V~2.55V
TL431 Guangdong Hottech Voltage Reference SOT-23 150mA2.5V~36V
TL431 High Diode Voltage Reference SOT-23 100mA2.5V~36V
TL431 HXY MOSFET Voltage Reference SOT-89 100mA2.5V~36V
TL431 JSMSEMI Voltage Reference SOT-23 150mA2.5V~36V
TL431 LGE Voltage Reference SOT-23 150mA2.5V~36V

Frequently asked questions

What is the TL431?

The TL431 is a Voltage Reference from FOSAN, supplied in a SOT-23 package. It is listed in our Supervisors & Voltage References catalog (Power Management).

What are the specifications of the TL431?

Minimum Cathode Current for Regulation: 250uA; Operating Temperature: -20°C~+70°C; Output Current: 150mA; Output Type: Adjustable; Output Voltage: 2.5V~36V; Quiescent Current: 1uA; Reference Type: Parallel; Tolerance: ±0.5%; Voltage - Supply: 2.5V~36V.

What package is the TL431 in?

The TL431 is listed in a SOT-23 package.

Which part numbers are similar to the TL431?

Similar part numbers in our catalog include TL431 (AnBon), TL431 (DOWO), TL431 (GR), TL431 (Guangdong Hottech), TL431 (High Diode) and TL431 (HXY MOSFET). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the TL431?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=TL431&brand=FOSAN or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.