TL431ACDR Texas Instruments Integrated Circuit (SOT23 (8-Pin)) In Stock
1% accuracy adjustable precision shunt voltage regulator with 2.495V reference. Output range 2.5V–36V, 100mA sink current, low dynamic impedance. From $0.0535, in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (8-Pin)
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TL431ACDR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.0535(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TL431ACDR?
- 1% initial accuracy with tight 2.495V reference voltage for precision regulation
- Wide adjustable output voltage range from 2.5V to 36V
- High sink current capability up to 100mA
- Low dynamic output impedance for stable regulation
- SOT-23 8-pin compact package ideal for space-constrained designs
- RoHS compliant (Pb-free) with e4 JEDEC moisture sensitivity rating
What is TL431ACDR used for?
The TL431ACDR is widely used in switch-mode power supplies as a precision feedback element for output voltage regulation. It serves in battery chargers, linear regulators, and voltage monitoring circuits where tight reference accuracy is critical. Additional applications include op-amp bias networks, adjustable voltage references, and precision comparator circuits in industrial and consumer electronics.
What are the specifications of TL431ACDR?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | TWO TERMINAL VOLTAGE REFERENCE |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 0.1A |
| Output Voltage-Max | 2.52V |
| Output Voltage-Min | 2.47V |
| Output Voltage-Nom | 2.495V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temp Coef of Voltage-Max | 92ppm/°C |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trim/Adjustable Output | YES |
| Voltage Tolerance-Max | 1% |
| ## TL431ACDR Alternates Showing results | Image |
| Package | SOT23 (8-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Mexico |
Where can I find the TL431ACDR datasheet?
TL431ACDR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TL431ACDR?
Compatible alternatives and drop-in replacements for TL431ACDR:
Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDSO8
Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDSO8
suggested
suggested
suggested
Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDSO8
Frequently Asked Questions
What is the output voltage range of the TL431ACDR?
The TL431ACDR provides an adjustable output voltage range from 2.5V to 36V. The internal reference voltage is 2.495V (typ) with 1% initial accuracy, making it suitable for precision voltage regulation applications.
What is the maximum sink current of the TL431ACDR?
The TL431ACDR can sink a maximum cathode current of 100mA (0.1A). This makes it suitable for driving optocouplers and other loads in feedback loops of SMPS designs without requiring additional buffer stages.
What package does the TL431ACDR come in?
The TL431ACDR is housed in an SOT-23 8-pin (R-PDSO-G8) surface-mount package. This compact footprint is ideal for space-constrained PCB layouts in portable and embedded power supply designs.
What are common applications for the TL431ACDR?
The TL431ACDR is commonly used in switch-mode power supplies for output voltage feedback, linear voltage regulators, battery charger control circuits, voltage monitoring, and precision reference generation in industrial and consumer electronics.
Is the TL431ACDR RoHS compliant?
Yes, the TL431ACDR is RoHS compliant and lead-free (Pb-free code: Yes, JESD-609 code: e4). It meets international environmental standards for use in modern electronic products requiring halogen-free and lead-free components.
Related Guides
LM5156QDSSRQ1 Automotive Boost Controller Design Guide
Practical LM5156QDSSRQ1 automotive boost design guidance covering operating points, magnetics, MOSFET stress, compensation, layout, and validation.
Jul 24, 2026
EEEFK1H470XP Selection Guide: Choosing a 50 V SMD Aluminum Capacitor
Choose EEEFK1H470XP and related 50 V SMD aluminum capacitors by capacitance, ripple current, ESR, life, and layout constraints.
Jul 24, 2026
LM5156QDSSRQ1 Automotive Boost Controller Selection Guide
Select LM5156QDSSRQ1 for automotive boost, SEPIC, or flyback designs using practical current, thermal, EMI, and sourcing criteria.
Jul 23, 2026
EEEFK1H470XP 50 V SMD Capacitor Decoupling Design Guide
Design EEEFK1H470XP into 12 V and 24 V rails with practical voltage margin, ripple, lifetime, layout, and mixed-capacitor checks.
Jul 23, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.0930 | $0.09 |
| 1264+ | $0.0792 | $100.11 |
| 4421+ | $0.0594 | $262.61 |
| 10523+ | $0.0535 | $562.98 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit