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The TL431 and TL432 are adjustable shunt voltage references with guaranteed temperature stability over the entire operating temperature range. The device temperature range is extended for the automotive version from -40 °C up to +125 °C. The output voltage can be set to any value between 2.5 and 36 V with two external resistors. The TL431 and TL432 operate with a wide current range from 1 to 100 mA with a typical dynamic impedance of 0.22 Ω.
Key Features
- AEC-Q100 qualified
- Adjustable output voltage: 2.5 to 36 V
- Sink current capability: 1 to 100 mA
- Typical output impedance: 0.22 Ω
- 0.5% voltage precision only on the TL431B version
- 1% and 2% voltage precision
- Automotive temp. range - 40 °C to +125 °C
Featured Videos
All resources
Product Specifications (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 28 Sep 2020 |
28 Sep 2020
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Application Notes (3)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 07 Mar 2019 |
07 Mar 2019
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| 23 Apr 2013 |
23 Apr 2013
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| 13 Sep 2018 |
13 Sep 2018
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Selection Guides (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 25 Mar 2020 |
25 Mar 2020
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Brochures (2)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 03 Dec 2018 |
03 Dec 2018
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| 29 Jul 2020 |
29 Jul 2020
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EDA Symbols, Footprints and 3D Models
STMicroelectronics - TL431
Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.
Symbols
Footprints
3D models
Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| TL431ACCT |
Active
|
SOT323-6L | Industrial | Ecopack2 |
|
| TL431ACDT |
Active
|
SO-8 | Industrial | Ecopack3 | |
| TL431ACL3T |
Active
|
SOT23 | Industrial | Ecopack2 | |
| TL431ACL5T |
Active
|
SOT23-5L | Industrial | Ecopack2 | |
| TL431ACZ |
Active
|
TO-92 | Industrial | Ecopack2 | |
| TL431ACZ-AP |
Active
|
TO-92 | Industrial | Ecopack2 | |
| TL431ACZT |
Active
|
TO-92 | Industrial | Ecopack2 | |
| TL431AICT |
Active
|
SOT323-6L | Industrial | Ecopack2 |
|
| TL431AIDT |
Active
|
SO-8 | Industrial | Ecopack3 | |
| TL431AIL3T |
Active
|
SOT23 | Industrial | Ecopack2 | |
| TL431AIL5T |
Active
|
SOT23-5L | Industrial | Ecopack2 | |
| TL431AIYDT |
Active
|
SO-8 | Automotive | Ecopack1 (*) |
|
| TL431AIZ |
Active
|
TO-92 | Industrial | Ecopack2 | |
| TL431AIZ-AP |
Active
|
TO-92 | Industrial | Ecopack2 | |
| TL431AIZT |
Active
|
TO-92 | Industrial | Ecopack2 | |
| TL431CCT |
Active
|
SOT323-6L | Industrial | Ecopack2 |
|
| TL431CDT |
Active
|
SO-8 | Industrial | Ecopack3 | |
| TL431CL3T |
Active
|
SOT23 | Industrial | Ecopack2 | |
| TL431CL5T |
Active
|
SOT23-5L | Industrial | Ecopack2 | |
| TL431CZ |
Active
|
TO-92 | Industrial | Ecopack2 | |
| TL431CZ-AP |
Active
|
TO-92 | Industrial | Ecopack2 | |
| TL431CZT |
Active
|
TO-92 | Industrial | Ecopack2 | |
| TL431ICT |
Active
|
SOT323-6L | Industrial | Ecopack2 |
|
| TL431IDT |
Active
|
SO-8 | Industrial | Ecopack3 | |
| TL431IL3T |
Active
|
SOT23 | Industrial | Ecopack2 | |
| TL431IL5T |
Active
|
SOT23-5L | Industrial | Ecopack2 | |
| TL431IYDT |
Active
|
SO-8 | Automotive | Ecopack2 (**) | |
| TL431IZ |
Active
|
TO-92 | Industrial | Ecopack2 | |
| TL431IZ-AP |
Active
|
TO-92 | Industrial | Ecopack2 | |
| TL431IZT |
Active
|
TO-92 | Industrial | Ecopack2 |
TL431ACCT
Package:
SOT323-6LMaterial Declaration**:
TL431AICT
Package:
SOT323-6LMaterial Declaration**:
TL431AIYDT
Package:
SO-8Material Declaration**:
TL431CCT
Package:
SOT323-6LMaterial Declaration**:
TL431ICT
Package:
SOT323-6LMaterial Declaration**:
(**) 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 | Order from Distributors | Order from ST | Marketing Status | ECCN (US) | ECCN (EU) | Packing Type | Package | Temperature (°C) | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| TL431IZT | 2 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | TO-92 | 0 | 70 | CHINA | 0.083 / 1k | |
| TL431AIZ-AP | 4 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | TO-92 | 0 | 70 | CHINA | 0.08 / 1k | |
| TL431ACZ-AP | 7 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | TO-92 | 0 | 70 | CHINA | 0.058 / 1k | |
| TL431IL5T | 1 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 105 | MALAYSIA | 0.056 / 1k | |
| TL431CDT | 8 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SO-8 | 0 | 70 | MOROCCO | 0.056 / 1k | |
| TL431AICT | 2 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT323-6L | -40 | 105 | MALAYSIA | 0.161 / 1k | |
| TL431ICT | 2 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT323-6L | -40 | 105 | MALAYSIA | 0.14 / 1k | |
| TL431CL5T | 4 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | 0 | 70 | MALAYSIA | 0.056 / 1k | |
| TL431AIZT | 6 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | TO-92 | 0 | 70 | CHINA | 0.078 / 1k | |
| TL431CZT | 6 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | TO-92 | 0 | 70 | CHINA | 0.058 / 1k | |
| TL431ACDT | 12 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SO-8 | 0 | 70 | MOROCCO | 0.058 / 1k | |
| TL431IL3T | 4 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT23 | 0 | 70 | MALAYSIA | 0.053 / 1k | |
| TL431ACL3T | 4 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT23 | 0 | 70 | MALAYSIA | 0.053 / 1k | |
| TL431CCT | 1 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT323-6L | 0 | 70 | MALAYSIA | 0.14 / 1k | |
| TL431AIDT | 8 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SO-8 | 0 | 70 | MOROCCO | 0.077 / 1k | |
| TL431IDT | 9 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SO-8 | 0 | 70 | MOROCCO | 0.08 / 1k | |
| TL431IYDT | 1 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SO-8 | -40 | 105 | MOROCCO | 0.096 / 1k | |
| TL431ACZT | 6 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | TO-92 | 0 | 70 | CHINA | 0.058 / 1k | |
| TL431AIZ | 6 distributors | Buy Direct |
Active
|
EAR99 | NEC | Poly Bag | TO-92 | 0 | 70 | CHINA | 0.08 / 1k | |
| TL431CZ-AP | 4 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | TO-92 | 0 | 70 | CHINA | 0.056 / 1k | |
| TL431AIL5T | 4 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT23-5L | -40 | 105 | MALAYSIA | 0.18 / 1k | |
| TL431IZ-AP | 2 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | TO-92 | 0 | 70 | CHINA | 0.083 / 1k | |
| TL431CL3T | 3 distributors | Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SOT23 | 0 | 70 | MALAYSIA | 0.053 / 1k | |
| TL431ACZ | 9 distributors | Buy Direct |
Active
|
EAR99 | NEC | Poly Bag | TO-92 | 0 | 70 | CHINA | 0.058 / 1k | |
| TL431CZ | 11 distributors | |||||||||||