{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TLV431BQDCKR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TLV431BQDCKR","canonicalUrl":"https://icboms.com/texas-instruments/TLV431BQDCKR","factsUrl":"https://icboms.com/api/mcp/products/TLV431BQDCKR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TLV431BQDCKR adjustable shunt voltage reference, ±0.5% tolerance, 1.24V to 6V output, 15 mA output, 100 µA cathode current, SC-70-6 package, -40°C to 125°C.","salesMarkdown":"## What this shunt reference does on your rail The output is adjustable from 1.24 V up to 6 V, and the ±0.5% tolerance means the regulation point stays tight across temperature and load, which matters when you are feeding an ADC reference or setting a comparator threshold in a power supply feedback loop. The 100 µA minimum cathode current keeps it biased even in low-power standby rails, and the 15 mA output current is enough to drive an optocoupler LED or pull up a comparator input. No derating guesswork: the operating range is the same as the storage range, which simplifies BOM qualification for harsh environments. Housed in a 6-pin SC-70-6 (SOT-363) package, this is a small part — roughly 2.0 mm × 1.25 mm. The cathode, anode, and reference pins follow the standard TLV431 pinout, so it drops onto the same footprint as the wider TL431 family in SOT-23, but saves board area. For a rework tech: the SC-70 body is small enough that tweezers and a fine-tip iron work, but a hot-air station at 300°C with a 3 mm nozzle is cleaner. No exposed pad, so no thermal-via planning needed.","metaTitle":"TLV431BQDCKR Shunt Reference, ±0.5%, SC-70-6","metaDescription":"TI TLV431BQDCKR adjustable shunt voltage reference, ±0.5% tolerance, 1.24V to 6V output, -40°C to 125°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Mfr":"Texas Instruments","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Tolerance":"±0.5%","Output Type":"Adjustable","Mounting Type":"Surface Mount","Package / Case":"6-TSSOP, SC-88, SOT-363","Product Status":"Active","Reference Type":"Shunt","Voltage - Input":"-","lifecycle_stage":"eol_hot","Current - Output":"15 mA","Current - Supply":"-","Current - Cathode":"100 µA","Base Product Number":"TLV431","Noise - 0.1Hz to 10Hz":"-","Noise - 10Hz to 10kHz":"-","Operating Temperature":"-40°C~125°C(TA)","Voltage - Output (Max)":"6 V","Supplier Device Package":"SC-70-6","Temperature Coefficient":"-","Voltage - Output (Min/Fixed)":"1.24V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.2736","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/4de43c4ff3ead6fd17ae3f61f4aa48c4.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TLV431BQDCKR/alternatives.json"},"ai":{"faq":[{"question":"Is TLV431BQDCKR compatible with the standard TL431?","answer":"Functionally yes — both are adjustable shunt references with the same 1.24 V reference and similar pinout. The TLV431BQDCKR runs at a lower minimum cathode current (100 µA vs. 1 mA typical for the TL431), which makes it a better fit for low-power or battery-operated designs. The package is different: the TLV431BQDCKR comes in SC-70-6, while the TL431 is more commonly found in SOT-23 or TO-92. Check the pinout against your existing footprint before swapping."},{"question":"What are the alternatives to TLV431BQDCKR?","answer":"Within the TLV431 family, the standard-grade TLV431 (e.g., TLV431AQDCKR) is a direct pin-compatible alternative with a looser ±1% tolerance. Outside TI, the NCP431 and LMV431 series offer similar adjustable shunt reference functionality in comparable SC-70 packages, though tolerance grades and minimum cathode current vary. Confirm the specific tolerance and bias current your design requires before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TLV431BQDCKR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TLV431BQDCKR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T18:03:28.771Z","lastPublished":"2026-07-22T18:03:28.771Z","indexable":true}}