Product overview
Description
The TS2431 is an adjustable shunt voltage reference with guaranteed temperature stability over the entire temperature range of operations from - 40 to + 105 °C. The output voltage may be set to any value between 2.5 and 24 V with an external resistor bridge. Available in an SOT23-3L surface mount package, the device can be implemented for those applications where space-saving is of the utmost importance.
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All features
- Adjustable output voltage: 2.5 to 24 V
- Precision selection at 25 °C: ± 2%, ± 1% and ± 0.5%
- Sink current capability: 1 to 100 mA
- Industrial temperature range: - 40 to + 105 °C
- Performance compatible with industry-standard TL431
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Related Applications
All resources
Resource title | Version | Latest update |
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Product Specifications (1)
Resource title | Version | Latest update | ||
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6.0 | 27 Oct 2017 | 27 Oct 2017 |
Application Notes (2)
Resource title | Version | Latest update | ||
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2.0 | 13 Sep 2018 | 13 Sep 2018 | ||
1.1 | 22 Feb 2016 | 22 Feb 2016 |
Design Notes & Tips (1)
Resource title | Version | Latest update | ||
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1.2 | 20 May 2024 | 20 May 2024 |
Brochures (2)
Resource title | Version | Latest update | ||
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3.0 | 27 Jul 2022 | 27 Jul 2022 | ||
12.2024 | 09 Jan 2025 | 09 Jan 2025 |
EDA Symbols, Footprints and 3D Models
STMicroelectronics - TS2431
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Symbols

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3D models
Quality and Reliability
Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
---|---|---|---|---|---|
TS2431AILT | Active | SOT23 | Industrial | Ecopack2 (**) | |
TS2431BILT | Active | SOT23 | Industrial | Ecopack2 | |
TS2431ILT | Active | SOT23 | Industrial | Ecopack2 |
Marketing Status
Package
SOT23
Grade
Industrial
RoHS Compliance Grade
Ecopack2 (**)
Marketing Status
Package
SOT23
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) | |||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
min | max | ||||||||||||||||||||||||||||||||||||||||||
TS2431AILT | Active | 0.1768 / 1k | Available at 4 distributors Distributor availability of TS2431AILT
Distributor reported inventory date: 3/15/2025 | | | | Buy from Distributor | | SOT23 | Tape and Reel | CHINA | EAR99 | NEC | -40 | 105 | ||||||||||||||||||||||||||||
TS2431ILT | Active | 0.1753 / 1k | Available at 3 distributors Distributor availability of TS2431ILT
Distributor reported inventory date: 3/15/2025 | | | | Buy from Distributor | | SOT23 | Tape and Reel | CHINA | EAR99 | NEC | -40 | 105 | ||||||||||||||||||||||||||||
TS2431BILT | Active | 0.1899 / 1k | Available at 4 distributors Distributor availability of TS2431BILT
Distributor reported inventory date: 3/15/2025 | | | | Buy from Distributor | | SOT23 | Tape and Reel | CHINA | EAR99 | NEC | -40 | 105 |
TS2431AILT Active
Part Number:
TS2431AILT
Operating Temperature (°C)
Min:
-40
Max:
105
Farnell Element14
Stock
11959Min.Order
1ANGLIA Live
Stock
11590Min.Order
10MOUSER
Stock
9499Min.Order
1DIGIKEY
Stock
117528Min.Order
1Distributor reported inventory date: 3/15/2025
Stock
Min.Order
TS2431ILT Active
Part Number:
TS2431ILT
Operating Temperature (°C)
Min:
-40
Max:
105
MOUSER
Stock
6516Min.Order
1AVNET
Stock
18000Min.Order
0DIGIKEY
Stock
11403Min.Order
1Distributor reported inventory date: 3/15/2025
Stock
Min.Order
TS2431BILT Active
Part Number:
TS2431BILT
Operating Temperature (°C)
Min:
-40
Max:
105
Farnell Element14
Stock
2961Min.Order
1MOUSER
Stock
24911Min.Order
1AVNET
Stock
12000Min.Order
0DIGIKEY
Stock
22310Min.Order
1Distributor reported inventory date: 3/15/2025
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