{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TL1431AIYDT","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"TL1431AIYDT","canonicalUrl":"https://icboms.com/stmicroelectronics/TL1431AIYDT","factsUrl":"https://icboms.com/api/mcp/products/TL1431AIYDT","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics TL1431AIYDT, Automotive AEC-Q100 adjustable shunt voltage reference, ±0.25% tolerance, 100 mA output, 2.5V to 36V, 8-SOIC, -40°C to 125°C.","salesMarkdown":"## Adjustable shunt reference for automotive and industrial rails It delivers a 2.5 V to 36 V output with ±0.25% tolerance, sinking up to 100 mA through the cathode. The ±0.25% tolerance is the tightest grade in the TL1431 family. The 100 mA output current drives optocoupler LEDs in isolated feedback loops.","metaTitle":"STMicroelectronics TL1431AIYDT Adjustable Shunt Reference","metaDescription":"STMicroelectronics TL1431AIYDT adjustable shunt voltage reference, ±0.25% tolerance, 100 mA output, -40°C to 125°C, AEC-Q100.","metaKeywords":null},"attributes":{"series":"Automotive, AEC-Q100","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Series":"Automotive, AEC-Q100","Package":"Tape & Reel (TR); Cut Tape (CT)","Tolerance":"±0.25%","Output Type":"Adjustable","Mounting Type":"Surface Mount","Package / Case":"8-SOIC (0.154\\\", 3.90mm Width)","Reference Type":"Shunt","lifecycle_stage":"eol_hot","Current - Output":"100 mA","Current - Cathode":"700 µA","Operating Temperature":"-40°C ~ 125°C (TA)","Voltage - Output (Max)":"36 V","Supplier Device Package":"8-SO","Temperature Coefficient":"100ppm/°C","Voltage - Output (Min/Fixed)":"2.5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.89","priceTiers":[{"qty":1,"price":"$0.89000","currency":"USD"},{"qty":10,"price":"$0.78300","currency":"USD"},{"qty":25,"price":"$0.73560","currency":"USD"},{"qty":100,"price":"$0.60050","currency":"USD"},{"qty":250,"price":"$0.55776","currency":"USD"},{"qty":500,"price":"$0.47470","currency":"USD"},{"qty":1000,"price":"$0.37976","currency":"USD"},{"qty":2500,"price":"$0.34416","currency":"USD"},{"qty":5000,"price":"$0.32042","currency":"USD"},{"qty":12500,"price":"$0.30856","currency":"USD"},{"qty":25000,"price":"$0.29669","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/996cef81569de296d9e0e139436fbf9c.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TL1431AIYDT/alternatives.json"},"ai":{"faq":[{"question":"Is TL1431AIYDT equivalent to TL431?","answer":"The TL1431AIYDT is a higher-precision variant of the TL431 family. Both are adjustable shunt references with the same pinout and 2.5 V to 36 V range, but the TL1431AIYDT offers ±0.25% tolerance and AEC-Q100 qualification, while standard TL431 parts are typically ±2% or ±1% and commercial-grade."},{"question":"Is the TL1431AIYDT automotive qualified?","answer":"Yes, it is qualified to AEC-Q100, the automotive reliability standard, and operates from -40°C to 125°C."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/TL1431AIYDT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/TL1431AIYDT when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}