TI TL431BQDBZRQ1
With its compact size and automotive-grade reliability





Brands: Texas Instruments
Mfr.Part #: TL431BQDBZRQ1
Datasheet: TL431BQDBZRQ1 Datasheet (PDF)
Package/Case: SOT23-3
RoHS Status:
Stock Condition: 2,567 pcs, New Original
Product Type: Voltage Reference
Warranty: 1 Year Ovaga Warranty - Find Out More
0
1
*All prices are in USD
Qty | Unit Price | Ext Price |
---|---|---|
1 | $0.690 | $0.690 |
10 | $0.621 | $6.210 |
100 | $0.552 | $55.200 |
500 | $0.483 | $241.500 |
1000 | $0.414 | $414.000 |
In Stock 2,567 PCS
TL431BQDBZRQ1 General Description
The TL431BQDBZRQ1 voltage reference from the TL431 Series is a versatile and reliable component suitable for a wide range of applications. With an adjustable shunt voltage ranging from 2.495V to 36V, this product offers high initial accuracy of 0.5%. Its SOT-23 case style makes it compact and easy to integrate into various circuit designs. Operating within a wide temperature range of -40°C to 125°C, it is also AEC-Q100 automotive qualified, ensuring its durability and performance under harsh conditions. Additionally, it is RoHS phthalates compliant, making it environmentally friendly. With an input voltage range of 2.495V to 36V, this voltage reference is suitable for use in a variety of electronic systems requiring precise voltage regulation
Features
- Fast and accurate voltage regulation
- Micropower operation possible
- Suitable for a wide range of applications
Specifications
Parameter | Value | Parameter | Value |
---|---|---|---|
VO (V) | 2.495 | Initial accuracy (max) (%) | 0.5, 1 |
VO adj (min) (V) | 2.495 | VO adj (max) (V) | 36 |
Iz for regulation (min) (µA) | 400 | Reference voltage (V) | adjustable |
Rating | Automotive | Temp coeff (max) (ppm/°C) | 92 |
Operating temperature range (°C) | -40 to 125 |
Shipping
Shipping Type | Ship Fee | Lead Time | |
---|---|---|---|
![]() |
DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
![]() |
Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
![]() |
UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
![]() |
TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
![]() |
EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
![]() |
REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time:Shipping fee depend on different zone and country.
Payment
Terms of payment | Hand Fee | |
---|---|---|
![]() |
Wire Transfer | charge US$30.00 banking fee. |
![]() |
Paypal | charge 4.5% service fee. |
![]() |
Credit Card | charge 3.5% service fee. |
![]() |
Western Union | charge US.00 banking fee. |
![]() |
Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
-
Step1 :Product Inventory
-
Step2 :Pressure Relief Packaging
-
Step3 :Anti Static Packaging
-
Step4 :Protective Packaging
-
Step5 :Sealed Packaging
-
Step6 :Preparation for shipment
We will inspect and count all goods before shipping to ensure that all products are intact and in accurate quantity, and will fully package them to ensure that they will not be damaged during transportation.
Q: How can I order the TL431BQDBZRQ1?
A: To place an order for the TL431BQDBZRQ1, select the "Add to Cart" button associated with the product listing on our website. Once selected, you can finalize your purchase by proceeding to the checkout page, where you can enter your payment and shipping information.
Q: What is the warranty period for the TL431BQDBZRQ1?
A: We offer a 1-year warranty on the TL431BQDBZRQ1. This warranty covers any defects in materials and artistry under normal use. During the warranty period, if the product is found to be defective, it will be repaired or replaced at no charge. For further details, please refer to our warranty policy.
Q: How does Ovaga ensure the authenticity of TL431BQDBZRQ1 from Texas Instruments?
A: Ovaga has a dedicated business development team that rigorously tests and verifies the credentials of original Texas Instruments manufacturers and authorized agents. All Texas Instruments suppliers must pass a qualification review before they can list their TL431BQDBZRQ1 products on our platform. We emphasize sourcing from reliable channels and maintaining high product quality standards, ensuring you can make your purchase with confidence.
Q: How can I find detailed information about the TL431BQDBZRQ1 chips, such as application notes, factory information, and images?
A: You can utilize Ovaga's intelligent search engine, filter by the Ethernet PHY Products category, or visit the Texas Instruments information page to find comprehensive details about the TL431BQDBZRQ1.
Q: Are the price and stock information for TL431BQDBZRQ1 on Ovaga's platform accurate?
A: Inventory levels for Texas Instruments products can fluctuate and may not be updated in real time. The information is refreshed periodically within 24 hours. To confirm stock availability and final pricing, you must confirm your order with an Ovaga salesperson or customer service representative before proceeding with payment.
Q: Can I place orders offline with Ovaga?
A: Yes, offline orders are accepted. You can navigate to the "My Orders" section and enter transaction management to place your order. Reviewing the "Order Details" and proceeding to place the order is straightforward. Additionally, you may benefit from coupons or selected gifts when ordering online.
Q: What payment methods are accepted by Ovaga?
A: Ovaga accepts various payment methods, including Wire Transfer, PayPal, Credit Cards, Western Union, and Money Gram.
Q: How is shipping arranged, and how can I track my package?
A: Customers can choose from industry-leading freight companies such as DHL, FedEx, UPS, TNT, EMS, and Registered Air Mail. Once your order is processed for shipment, you will receive an email with the shipping status and tracking number. Note that tracking information may take up to 24 hours to be displayed by carriers. Typically, express delivery takes 2-5 days.
Q: What is the return or replacement process for TL431BQDBZRQ1?
A: Ovaga conducts Pre-Shipment Inspections (PSI) on all orders to ensure quality before shipment. Suppose there are issues such as quantity discrepancies, incorrect items, or visible defects (e.g., breakage or rust), and they are acknowledged by us. In that case, returns or replacements will be accepted under the following conditions:
- ●The defect must be reported within 365 days after delivery.
- ●The product must be unused and in its original, unopened packaging.
- ●Requesting Return Authorizations must be obtained.
For the return process:
- ●Please inform us within 365 days of receiving the product.
- ●Obtain Return Authorization from our team.
- ●Please refer to our After-Sale Matters for more detailed instructions.
Q: How can I contact Ovaga for support, including obtaining datasheets or pin diagrams for the TL431BQDBZRQ1?
A: For any after-sales support or technical inquiries, including requests for datasheets or pin diagrams, please get in touch with us via email at [email protected].
Q: What can you tell me about Ovaga's quality assurance practices?
A: Ovaga is committed to maintaining the highest standards of quality. We are certified under ISO14001, ISO 9001, IATF16949, ISO13485, and DUNS standards by the Quality Systems Registrar. This certification signifies that our operational systems meet stringent international standards in quality management. Our compliance is regularly reviewed and tested to ensure ongoing adherence to these standards, affirming our commitment to quality and continuous improvement.
Q: What do the ISO, IATF, and DUNS certifications mean for customers of Ovaga?
A: Our ISO, IATF, and DUNS certifications assure customers that Ovaga operates systems that are both accurate and comprehensive, meeting the rigorous requirements of the ISO, IATF, and DUNS standards. This certification underscores our long-term commitment to continuous improvement across our operations. As a note to our customers, while we strive for accuracy in product data on our website, we recommend referring to the manufacturer's datasheet or catalog for confirmed product specifications before placing an order. If you identify any discrepancies, please get in touch with us immediately.
Part points
-
The TL431BQDBZRQ1 chip is a programmable precision shunt regulator offering a stable reference voltage. It is designed for applications requiring precision voltage regulation, such as power supplies, battery chargers, and automotive systems. Its adjustable reference voltage and low output impedance make it a versatile and reliable choice for various electronic designs.
-
Equivalent
The equivalent products of TL431BQDBZRQ1 chip are LM431, TLV431, LM234, LM234A, LM234N, LM334, LM234Z, LM334M, LM334S, LM234D, LM234DT, LM234AQD, LM334DT, LM334MQD, LM334Z, and LM334Z/NOPB. -
Features
TL431BQDBZRQ1 is a precision programmable reference with a specified thermal stability and output voltage accuracy over temperature. It operates from a 2.5-36V range with a typical 50mA sink current capability. It features a guaranteed 1% initial accuracy, low dynamic impedance (0.22Ω typical), and temperature compensation (10mV/°C typical). -
Pinout
The TL431BQDBZRQ1 is a 5-pin adjustable precision shunt regulator with a reference voltage of 2.5V to 36V. Pin count includes Cathode, Anode, Reference, Compensation, and Ground. It is used for voltage regulation and error amplifier applications in various electronic circuits. -
Manufacturer
The TL431BQDBZRQ1 is manufactured by Texas Instruments, a global semiconductor design and manufacturing company. Texas Instruments specializes in developing analog and embedded processing products, including microcontrollers, sensors, and power management solutions, among others. Their products are widely used in a variety of industries, including automotive, industrial, and consumer electronics. -
Application Field
The TL431BQDBZRQ1 is often used in automotive, industrial, and communication applications for voltage regulation, voltage monitoring, and precision reference voltage generation. It can also be used in battery chargers, power supplies, and LED lighting due to its ability to provide stable and accurate regulation. -
Package
The TL431BQDBZRQ1 chip is in a Surface Mount Package with a SOT-23 form and a size of 3.05mm x 1.78mm.
Assembly Advice
No need to assemble boards by yourself anymore—Ovaga is here to help! We offer free assembly services for parts like TL431BQDBZRQ1. Simply sign in to Ovaga and take advantage of discounts and free assembly options. Let us handle the work while you focus on your projects!
Learn more about our PCB services-
Pre-order the parts you need through Ovaga’s platform.
-
Once your parts are pre-ordered, simply place a PCBA order with us, and we’ll take care of the assembly for you.
-
Ovaga will produce and assemble your boards efficiently, with a quick turnaround of just 3 days!
PCB & SMT
PCB Assembly and Production Services
Professional Model >>Circuit Assembly Showcase

We provide high quality products, thoughtful service and after sale guarantee
-
We have rich products, can meet your various needs.
-
Minimum order quantity starts from 1pcs.
-
Lowest international shipping fee starts from $0.00
-
365 days quality guarantee for all products
Recommend
Assemble PCBs
One-Stop PCB & PCBA Services From design to production, delivered fast and cost-effectively. Certified quality:lATF16949,1S013485 IS09001.1S014001.
Fulfillment: Turnkey or consigned
Quantity: 1-10,000+pcs.
Quality Grade: IPC3
Lead time: as short as 2 days
Other: AOI. X-ray SPI, ICT