TL431BID Texas Instruments Power Supply (Small Outline Packages) In Stock
Texas Instruments TL431BID is a precision adjustable shunt voltage reference with 0.5% accuracy, output range 2.495V–36V, and 100mA sink current. Available in 8-Pin SOIC package. From $0.33 in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TL431BID Datasheet PDF
- Category
- Power Supply
- Price
- From $0.3301(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Precision 0.5% initial voltage accuracy for tight regulation
- Wide adjustable output range from 2.495V to 36V
- 100mA maximum output sink current capability
- 8-Pin SOIC (SOIC-8) package for easy PCB integration
- Single-function two-terminal voltage reference design
Applications
The TL431BID is widely used in power supply feedback control, where it serves as a precise voltage reference in switching regulators and linear power supplies. It is also used in battery management circuits, precision voltage monitors, and adjustable voltage regulator designs. Its accuracy and wide output range make it suitable for industrial equipment, telecommunications power systems, and consumer electronics.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | OUTPUT VOLTAGE ADJUSTABLE FROM 2.495V TO 36V |
| 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 | 2.507V |
| Output Voltage-Min | 2.483V |
| 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 | INDUSTRIAL |
| 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 | 0.5% |
| Package | Small Outline Packages |
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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TL431BID:
Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDSO8
Two Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDSO5
Frequently Asked Questions
What is the output voltage range of the TL431BID?
The TL431BID provides an adjustable output voltage range from 2.495V to 36V. This wide range makes it suitable for a variety of power supply feedback and voltage reference applications, including both low-voltage and higher-voltage systems.
What is the accuracy of the TL431BID shunt voltage reference?
The TL431BID offers 0.5% initial voltage accuracy, which is the 'B' grade specification from Texas Instruments. This precision level is ideal for applications requiring tight voltage regulation, such as switching power supply feedback loops and precision measurement circuits.
What package does the TL431BID come in and what is its maximum output current?
The TL431BID is housed in an 8-Pin SOIC (Small Outline IC) package, with JESD-30 code R-PDSO-G8. It supports a maximum output sink current of 100mA (0.1A), making it capable of driving typical optocoupler loads and feedback network components in power supply designs.
What are common applications for the TL431BID?
The TL431BID is commonly used in switching power supply voltage feedback circuits, adjustable voltage regulators, overvoltage protection circuits, battery chargers, and precision voltage monitoring. Its adjustable reference voltage and high accuracy make it a versatile component in industrial, consumer, and telecommunications power electronics.
Related Guides
CL31A107MQHNNNE 1206 100 uF MLCC Selection Guide
How to choose CL31A107MQHNNNE and related 1206 MLCCs for low-voltage bulk capacitance and regulator stability.
Jul 2, 2026
CL05B103KB5NNNC 0402 10 nF X7R MLCC Selection Guide
How to choose CL05B103KB5NNNC and related 0402 MLCCs for bypassing, filtering, voltage derating, and sourcing.
Jul 2, 2026
ADAQ7768-1 Design Guide for Precision Vibration and Dynamic Signal Measurement
Design ADAQ7768-1 precision data acquisition channels for vibration and dynamic sensing with the right bandwidth, reference, clock, and layout choices.
Jun 30, 2026
AD5204BRZ10 Design Guide for SPI-Controlled Gain and Offset Calibration
Design AD5204BRZ10 digital potentiometer calibration loops with bounded trim span, safe wiper current, clean SPI routing, and reliable startup codes.
Jun 30, 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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.2085 | $1.21 |
| 5+ | $0.6440 | $3.22 |
| 10+ | $0.5740 | $5.74 |
| 25+ | $0.5400 | $13.50 |
| 88+ | $0.4127 | $36.32 |
| 251+ | $0.3301 | $82.86 |
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.”