Products > Discrete Semiconductors > TL431AMFDT
  • TL431AMFDT

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Adjustable precision shunt regulator

  • Manufacturer :
  • TL
  • Package/Case :
  • SOT23
  • Product Categories :
  • Voltage References
  • RoHs Status:
  • Lead free/RoHS Compliant
  • Marking Code:
  • AV%
  • In-stock:
  • 2735


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TL431AMFDT Product Details

Three-terminal shunt regulator family with an output voltage range between Vref and 36 V, to be set by two external resistors.
• The TL431xDBZR types feature an enhanced stability area with a very low load capacity requirement.
• The TL431xFDT types offer an enhanced stability area and a higher ElectroMagnetic Interference (EMI) ruggedness, for example, for Switch Mode Power Supply (SMPS) applications.
• The TL431xSDT types are designed for standard requirements and linear applications.

■ Shunt regulator
■ Precision current limiter
■ Precision constant current sink
■ Isolated feedback loop for Switch Mode Power Supply (SMPS)



and benefits
■ Programmable output voltage up to 36 V
■ Three different reference voltage tolerances:
♦ Standard grade: 2 %
♦ A-Grade: 1 %
♦ B-Grade: 0.5 %
■ Typical temperature drift: 6 mV (in a range of 0 C up to 70 C)
■ Low output noise
■ Typical output impedance: 0.2 
■ Sink current capability: 1 mA to 100 mA
■ AEC-Q100 qualified (grade 1)

Technical Parameters

  • Manufacturer
  • TL
  • Packing
  • Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube
  • RoHs Status
  • Lead free/RoHS Compliant
  • Package/Case
  • SOT23

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Shipping More
Estimated Delivery Time: May 12 - May 17 days (choose Expedited at checkout).

Shipping & Payment


  • Shipping Type
  • Ship Fee
  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
  • 3-7 days
  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
  • $25.00-$65.00 (0.50 KG)
  • 2-5 days
  • $25.00-$45.00 (0.50 KG)
  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


  • Terms of payment
  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
  • charge US$0.00 banking fee.

We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.


  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing


1.We provide 90 days warranty.

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.


Q: How does Jotrin guarantee that TL431AMFDT is the original manufacturer or agent of TL?
We have a professional business development department to strictly test and verify the qualifications of TL original manufacturers and agents. All TL suppliers must pass the qualification review before they can publish their TL431AMFDT devices; we pay more attention to the channels and quality of TL431AMFDT products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of TL431AMFDT chips? Including TL original factory information, Voltage References application, TL431AMFDT pictures?
You can use Jotrin's intelligent search engine, or filter by Voltage References category, or find it through TL brand manufacturer page.
Q: Are the TL's TL431AMFDT price and stock displayed on the platform accurate?
The TL's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for TL431AMFDT, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of TL431AMFDT?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the TL431AMFDT we delivered, we will accept the replacement or return of the TL431AMFDT only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of TL431AMFDT.
(3)The TL431AMFDT is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as TL431AMFDT datasheet pdf, TL431AMFDT pin diagram?
Need any After-Sales service, please feel free contact us:

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