Product overview
Description
The TL1431 is a adjustable shunt voltage reference with guaranteed temperature stability over the entire operating temperature range.
The output voltage may be set to any value between 2.5 V and 36 V with two external resistors.
The TL1431 operates with a wide current range from 1 to 100 mA with a typical dynamic impedance of 0.2 Ω.
-
All features
- Adjustable output voltage: VREF to 36 V
- Sink current capability: 1 to 100 mA
- Typical output impedance: 0.22 Ω
- 0.4% and 0.25% voltage precision
- Automotive temp. range - 40 °C to +125 °C
Recommended for you
All resources
Resource title | Version | Latest update |
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Product Specifications (1)
Resource title | Version | Latest update | ||
---|---|---|---|---|
9.0 | 07 Dec 2017 | 07 Dec 2017 |
Brochures (2)
Resource title | Version | Latest update | ||
---|---|---|---|---|
3.0 | 27 Jul 2022 | 27 Jul 2022 | ||
12.2024 | 09 Jan 2025 | 09 Jan 2025 |
EDA Symbols, Footprints and 3D Models
STMicroelectronics - TL1431
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Symbols

Footprints

3D models
Quality and Reliability
Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
---|---|---|---|---|---|
TL1431ACCT | Active | SOT323-6L | Industrial | Ecopack2 | |
TL1431ACDT | Active | SO-8 | Industrial | Ecopack3 | |
TL1431ACL3T | Active | SOT23 | Industrial | Ecopack2 | |
TL1431ACL5T | Active | SOT23-5L | Industrial | Ecopack2 | |
TL1431ACZ | Active | TO-92 | Industrial | Ecopack2 | |
TL1431ACZ-AP | Active | TO-92 | Industrial | Ecopack2 | |
TL1431ACZT | Active | TO-92 | Industrial | Ecopack2 | |
TL1431AIDT | Active | SO-8 | Industrial | Ecopack3 | |
TL1431AIYDT | Active | SO-8 | Automotive | Ecopack3 | |
TL1431AIZ-AP | Active | TO-92 | Industrial | Ecopack2 | |
TL1431AIZT | Active | TO-92 | Industrial | Ecopack2 | |
TL1431CCT | Active | SOT323-6L | Industrial | Ecopack2 | |
TL1431CDT | Active | SO-8 | Industrial | Ecopack3 | |
TL1431CL3T | Active | SOT23 | Industrial | Ecopack2 | |
TL1431CL5T | Active | SOT23-5L | Industrial | Ecopack2 | |
TL1431CZ-AP | Active | TO-92 | Industrial | Ecopack2 | |
TL1431CZT | Active | TO-92 | Industrial | Ecopack2 | |
TL1431IDT | Active | SO-8 | Industrial | Ecopack3 | |
TL1431IYDT | Active | SO-8 | Automotive | Ecopack3 | |
TL1431IZ | Active | TO-92 | Industrial | Ecopack2 | |
TL1431IZ-AP | Active | TO-92 | Industrial | Ecopack2 | |
TL1431IZT | Active | TO-92 | Industrial | Ecopack2 | |
Marketing Status
Package
SOT323-6L
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SO-8
Grade
Industrial
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
SOT23
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SOT23-5L
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SO-8
Grade
Industrial
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
SO-8
Grade
Automotive
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SOT323-6L
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SO-8
Grade
Industrial
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
SOT23
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SOT23-5L
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SO-8
Grade
Industrial
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
SO-8
Grade
Automotive
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
Part Number | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | |||||||||||
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min | max | ||||||||||||||||||||||
TL1431ACZ | | | Available at distributors Distributor availability of TL1431ACZ
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431IZ | | | Available at distributors Distributor availability of TL1431IZ
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431ACZT | | | Available at distributors Distributor availability of TL1431ACZT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431AIZ-AP | | | Available at distributors Distributor availability of TL1431AIZ-AP
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431IYDT | | | Available at distributors Distributor availability of TL1431IYDT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431IZ-AP | | | Available at distributors Distributor availability of TL1431IZ-AP
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431ACCT | | | Available at distributors Distributor availability of TL1431ACCT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431AIYDT | | | Available at distributors Distributor availability of TL1431AIYDT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431CL5T | | | Available at distributors Distributor availability of TL1431CL5T
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431CL3T | | | Available at distributors Distributor availability of TL1431CL3T
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431CZT | | | Available at distributors Distributor availability of TL1431CZT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431ACZ-AP | | | Available at distributors Distributor availability of TL1431ACZ-AP
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431ACDT | | | Available at distributors Distributor availability of TL1431ACDT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431IDT | | | Available at distributors Distributor availability of TL1431IDT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431CDT | | | Available at distributors Distributor availability of TL1431CDT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431AIDT | | | Available at distributors Distributor availability of TL1431AIDT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431CCT | | | Available at distributors Distributor availability of TL1431CCT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431CZ-AP | | | Available at distributors Distributor availability of TL1431CZ-AP
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431AIZT | | | Available at distributors Distributor availability of TL1431AIZT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431ACL3T | | | Available at distributors Distributor availability of TL1431ACL3T
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431ACL5T | | | Available at distributors Distributor availability of TL1431ACL5T
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL1431IZT | | | Available at distributors Distributor availability of TL1431IZT
Distributor reported inventory date: | | | | Buy from Distributor | |
TL1431ACZ Active
Part Number:
TL1431ACZ
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431IZ Active
Part Number:
TL1431IZ
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431ACZT Active
Part Number:
TL1431ACZT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431AIZ-AP Active
Part Number:
TL1431AIZ-AP
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431IYDT Active
Part Number:
TL1431IYDT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431IZ-AP Active
Part Number:
TL1431IZ-AP
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431ACCT Active
Part Number:
TL1431ACCT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431AIYDT Active
Part Number:
TL1431AIYDT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431CL5T Active
Part Number:
TL1431CL5T
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431CL3T Active
Part Number:
TL1431CL3T
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431CZT Active
Part Number:
TL1431CZT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431ACZ-AP Active
Part Number:
TL1431ACZ-AP
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431ACDT Active
Part Number:
TL1431ACDT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431IDT Active
Part Number:
TL1431IDT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431CDT Active
Part Number:
TL1431CDT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431AIDT Active
Part Number:
TL1431AIDT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431CCT Active
Part Number:
TL1431CCT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431CZ-AP Active
Part Number:
TL1431CZ-AP
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431AIZT Active
Part Number:
TL1431AIZT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431ACL3T Active
Part Number:
TL1431ACL3T
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431ACL5T Active
Part Number:
TL1431ACL5T
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL1431IZT Active
Part Number:
TL1431IZT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors